MAT Clinics in California: Methadone, Suboxone & Vivitrol Treatment

Compare methadone clinics, buprenorphine treatment and extended-release naltrexone options throughout California. Start with a city directory of 131 Medicare-enrolled opioid treatment program (OTP) locations across 95 cities, then learn how Medi-Cal, telehealth and local services may help you access care.

California often calls its licensed methadone programs Narcotic Treatment Programs (NTPs). This directory uses the CMS Medicare enrollment file, so it should not be read as an exhaustive list of every licensed program.

On this page

California MAT at a Glance

131Medicare-enrolled OTP locationsCMS · Sept 8, 2026
95Cities with a listed OTPCMS · Sept 8, 2026
32 of 58Counties with a listed OTPCMS · Sept 8, 2026
YesMedi-Cal expansionDHCS
3Core medications covered by Medi-CalDHCS BHIN 21-075
21.7All-drug overdose deaths per 100,000 · 2024CDC NCHS / KFF

What this means: medication access exists in many California communities, but people outside these cities may need to consider office-based care, telehealth or an emergency-department bridge program.

Get Help Finding a MAT Clinic in California

Get help finding a treatment option

Talk through location, insurance and which medication may fit your needs with a treatment-navigation line.

Call (347) 591-7540
Your Information - Step 1 of 2

This number reaches MATClinicGuide’s navigation line, not an individual clinic. Calls may be answered by or routed to participating treatment providers or navigation partners.

If you are in emotional crisis, call or text 988. For SAMHSA’s National Helpline call 1-800-662-4357. For a suspected overdose or immediate emergency, call 911.

Find MAT Clinics by City in California

Find medication-assisted treatment in California by browsing the cities below. Los Angeles County has 37 listed locations in total, compared with 11 in San Diego County and seven in Riverside County (CMS, September 2026). City counts refer specifically to Medicare-enrolled OTP locations—not every provider of buprenorphine or Vivitrol.

California cities with the most methadone OTP locations

Methadone and Narcotic Treatment Program directory: A–Z

Anaheim 1 OTP
California Treatment Services LLC
1420 N STATE COLLEGE BLVD, Anaheim, CA 92806-1205
Medicare-enrolled OTP(714) 542-3581 · Directions ↗
Antioch 1 OTP
Addiction Research and Treatment Inc.
3707 SUNSET LN, STE A&B, Antioch, CA 94509-6101
Medicare-enrolled OTP(925) 522-0124 · Directions ↗
Ashland 1 OTP
Humanistic Alternatives to Addiction
20094 MISSION BLVD, Ashland, CA 94541-1237
Medicare-enrolled OTP(510) 727-9755 · Directions ↗
Atascadero 1 OTP
Aegis Treatment Centers LLC
6500 MORRO RD, STE D, Atascadero, CA 93422-4142
Medicare-enrolled OTP(805) 461-5212 · Directions ↗
Azusa 1 OTP
Tavarua Medical Rehabilitation Services
474 S CITRUS AVE, Azusa, CA 91702-4733
Medicare-enrolled OTP(626) 858-9500 · Directions ↗
Bakersfield 5 OTPs
Aegis Treatment Centers LLC
1018 21ST ST, Bakersfield, CA 93301-4709
Medicare-enrolled OTP(661) 861-9967 · Directions ↗
Aegis Treatment Centers LLC
501 W COLUMBUS ST, Bakersfield, CA 93301-1263
Medicare-enrolled OTP(661) 328-0245 · Directions ↗
Aegis Treatment Centers LLC
6001 TRUXTUN AVE, STE 100&110, Bakersfield, CA 93309-0679
Medicare-enrolled OTP(661) 218-2108 · Directions ↗
American Health Services LLC
1010 1/2 S UNION AVE, Bakersfield, CA 93307-3642
Medicare-enrolled OTP(661) 321-0234 · Directions ↗
American Health Services LLC
609 E 18TH ST, Bakersfield, CA 93305-5616
Medicare-enrolled OTP(661) 313-5503 · Directions ↗
Banning 1 OTP
Aegis Treatment Centers LLC
2781 W RAMSEY ST, STE 3&4, Banning, CA 92220-3700
Medicare-enrolled OTP(951) 417-6612 · Directions ↗
Calexico 1 OTP
Imperial Valley Medical Clinic Inc.
535 CESAR CHAVEZ BLVD, Calexico, CA 92231-2103
Medicare-enrolled OTP(760) 357-6566 · Directions ↗
Carmichael 1 OTP
Bi-Valley Medical Clinic Inc.
6127 FAIR OAKS BLVD, Carmichael, CA 95608-4818
Medicare-enrolled OTP(916) 974-8090 · Directions ↗
Ceres 1 OTP
Aegis Treatment Centers LLC
1768 MITCHELL RD, STE 301, Ceres, CA 95307-2156
Medicare-enrolled OTP(209) 353-4838 · Directions ↗
Chatsworth 1 OTP
Alt Recovery Group 2 LLC
20946 DEVONSHIRE ST, STE 100, Chatsworth, CA 91311-8270
Medicare-enrolled OTP(818) 626-8053 · Directions ↗
Chico 1 OTP
Aegis Treatment Centers LLC
590 RIO LINDO AVE, STE 582, 584, 586, 588, 590, Chico, CA 95926-1817
Medicare-enrolled OTP(530) 345-3491 · Directions ↗
Chula Vista 1 OTP
San Diego Treatment Services LLC
1155 THIRD AVE, Chula Vista, CA 91911-3136
Medicare-enrolled OTP(619) 498-8260 · Directions ↗
Colton 1 OTP
Wchs Inc.
2275 E COOLEY DR, Colton, CA 92324-6324
Medicare-enrolled OTP(909) 370-1777 · Directions ↗
Corona 1 OTP
Evexia Health Services, LLC.
109 E 11TH ST, STE 1, Corona, CA 92879-2157
Medicare-enrolled OTP(951) 427-3482 · Directions ↗
Costa Mesa 1 OTP
Western Pacific Re-Hab
275 VICTORIA ST, STE 1H, Costa Mesa, CA 92627-1906
Medicare-enrolled OTP(949) 629-2860 · Directions ↗
Delano 1 OTP
Aegis Treatment Centers LLC
1019 JEFFERSON ST, Delano, CA 93215-2238
Medicare-enrolled OTP(661) 721-0463 · Directions ↗
El Cajon 2 OTPs
Revive Pathway
1240 BROADWAY, El Cajon, CA 92021
Medicare-enrolled OTP(619) 841-1310 · Directions ↗
San Diego Health Alliance
234 N MAGNOLIA AVE, El Cajon, CA 92020-3906
Medicare-enrolled OTP(619) 579-8378 · Directions ↗
El Centro 1 OTP
Imperial Valley Medical Clinic Inc.
200 S 5TH ST, El Centro, CA 92243-3013
Medicare-enrolled OTP(760) 482-0864 · Directions ↗
El Monte 1 OTP
Aegis Treatment Centers LLC
11041 VALLEY BLVD, El Monte, CA 91731-2516
Medicare-enrolled OTP(626) 442-4177 · Directions ↗
Escondido 1 OTP
Mission Treatment Services Inc.
161 N DATE ST, Escondido, CA 92025-3405
Medicare-enrolled OTP(760) 745-1061 · Directions ↗
Eureka 1 OTP
Aegis Treatment Centers LLC
2107 1ST ST, STE 2107, 2109, 2113, 2115, Eureka, CA 95501-0840
Medicare-enrolled OTP(707) 273-6395 · Directions ↗
Fairfield 1 OTP
Medmark Treatment Centers Fairfield
1143 MISSOURI ST, Fairfield, CA 94533-6007
Medicare-enrolled OTP(707) 435-9911 · Directions ↗
Fresno 5 OTPs
Addiction Research and Treatment Inc.
1235 E ST, Fresno, CA 93706-2024
Medicare-enrolled OTP(559) 268-6261 · Directions ↗
Addiction Research and Treatment Inc.
3103 E CARTWRIGHT AVE, Fresno, CA 93725-9385
Medicare-enrolled OTP(559) 498-7100 · Directions ↗
Addiction Research and Treatment Inc.
539 N VAN NESS AVE, Fresno, CA 93728-3419
Medicare-enrolled OTP(559) 266-9581 · Directions ↗
Aegis Treatment Centers LLC
3707 E SHIELDS AVE, Fresno, CA 93726-7029
Medicare-enrolled OTP(559) 229-9040 · Directions ↗
MedMark Treatment Centers Fresno West
1310 M ST, Fresno, CA 93721-1808
Medicare-enrolled OTP(559) 264-2700 · Directions ↗
Fullerton 1 OTP
Western Pacific Med-Corp / Western Pacific Re-Hab
218 E COMMONWEALTH AVE, Fullerton, CA 92832-1911
Medicare-enrolled OTP(714) 992-4770 · Directions ↗
Glendale 1 OTP
Western Pacific Med-Corp / Western Pacific Re-Hab
4544 SAN FERNANDO RD, STE 201, Glendale, CA 91204-5015
Medicare-enrolled OTP(818) 240-8843 · Directions ↗
Hawaiian Gardens 1 OTP
American Health Services LLC
21505 NORWALK BLVD, Hawaiian Gardens, CA 90716-1121
Medicare-enrolled OTP(562) 916-7581 · Directions ↗
Hayward 1 OTP
Successful Alternatives for Addiction
795 FLETCHER LN, Hayward, CA 94544-1008
Medicare-enrolled OTPDirections ↗
Hemet 1 OTP
Evexia Health Services, LLC
601 E FLORIDA AVE, Hemet, CA 92543-4335
Medicare-enrolled OTP(951) 391-1470 · Directions ↗
Hesperia 1 OTP
Aegis Treatment Centers LLC
11776 MARIPOSA RD, STE 101, 102, 103, 104, Hesperia, CA 92345-1622
Medicare-enrolled OTP(760) 956-2462 · Directions ↗
Inglewood 2 OTPs
Aegis Treatment Centers LLC
614 W MANCHESTER BLVD, STE 104, Inglewood, CA 90301-1683
Medicare-enrolled OTP(310) 412-0879 · Directions ↗
Eldorado Community Service Center
4450 W CENTURY BLVD, Inglewood, CA 90304-1504
Medicare-enrolled OTP(310) 671-0555 · Directions ↗
La Mirada 1 OTP
Aegis Treatment Centers LLC
14240 & 14238 E. IMPERIAL HWY, La Mirada, CA 90638-1940
Medicare-enrolled OTP(562) 946-1587 · Directions ↗
La Puente 1 OTP
Addiction Research and Treatment Inc.
15229 AMAR RD, La Puente, CA 91744-2003
Medicare-enrolled OTP(626) 855-5090 · Directions ↗
Lancaster 1 OTP
Western Pacific Med-Corp / Western Pacific Re-Hab
45335 SIERRA HWY, Lancaster, CA 93534-1611
Medicare-enrolled OTP(661) 949-8599 · Directions ↗
Lodi 1 OTP
Aegis Treatment Centers LLC
541 S HAM LN, STE A&B, Lodi, CA 95242-3530
Medicare-enrolled OTP(209) 224-8940 · Directions ↗
Long Beach 2 OTPs
Tarzana Treatment Centers, Inc..
5190 ATLANTIC AVE, Long Beach, CA 90805-6510
Medicare-enrolled OTP(818) 654-3815 · Directions ↗
West County Medical Clinic
100 E MARKET ST, Long Beach, CA 90805-5924
Medicare-enrolled OTPDirections ↗
Los Angeles 5 OTPs
Addiction Research and Treatment Inc.
11900 AVALON BLVD, STE 200&201, Los Angeles, CA 90061-2866
Medicare-enrolled OTP(323) 242-0500 · Directions ↗
Addiction Research and Treatment Inc.
1926 BEVERLY BLVD, Los Angeles, CA 90057-2402
Medicare-enrolled OTP(213) 353-1140 · Directions ↗
Addiction Research and Treatment Inc.
4920 AVALON BLVD, Los Angeles, CA 90011-4004
Medicare-enrolled OTP(323) 235-5035 · Directions ↗
Clare Matrix
5220 W WASHINGTON BLVD, STE 101, Los Angeles, CA 90016-1331
Medicare-enrolled OTP(323) 287-2023 · Directions ↗
Narcotics Prevention Association
942 S ATLANTIC BLVD, Los Angeles, CA 90022-4004
Medicare-enrolled OTP(323) 263-9700 · Directions ↗
Lynwood 1 OTP
Addiction Research and Treatment Inc.
11682 ATLANTIC AVE, Lynwood, CA 90262-3832
Medicare-enrolled OTP(310) 537-5883 · Directions ↗
Manteca 1 OTP
Aegis Treatment Centers LLC
955 W CENTER ST, STE 12A&14, Manteca, CA 95337-7300
Medicare-enrolled OTP(209) 239-9600 · Directions ↗
Marysville 2 OTPs
Aegis Treatment Centers LLC
201 D ST, STE G, Marysville, CA 95901-5957
Medicare-enrolled OTP(530) 742-7747 · Directions ↗
American Addiction Treatment Services
1496 N BEALE RD, Marysville, CA 95901-6205
Medicare-enrolled OTP(530) 749-8640 · Directions ↗
Menlo Park 1 OTP
Addiction Research and Treatment Inc.
795 WILLOW RD, BLDG 332, Menlo Park, CA 94025-2539
Medicare-enrolled OTP(650) 324-1470 · Directions ↗
Merced 1 OTP
Aegis Treatment Centers LLC
1343 W MAIN ST, STE A&B, Merced, CA 95340-4438
Medicare-enrolled OTP(209) 725-1060 · Directions ↗
Mission Viejo 1 OTP
Western Pacific Med-Corp
26921 CROWN VALLEY PKWY, STE 200, Mission Viejo, CA 92691-6501
Medicare-enrolled OTP(949) 334-8288 · Directions ↗
Modesto 1 OTP
Aegis Treatment Centers LLC
1235 MCHENRY AVE, STE A&B, Modesto, CA 95350-5370
Medicare-enrolled OTP(209) 527-4597 · Directions ↗
Moreno Valley 1 OTP
Evexia Health Services, LLC.
24941 DRACAEA AVE, Moreno Valley, CA 92553-3777
Medicare-enrolled OTP(951) 579-6353 · Directions ↗
Murrieta 1 OTP
Wchs Inc.
40700 CALIFORNIA OAKS RD, Murrieta, CA 92562-5795
Medicare-enrolled OTP(951) 894-7324 · Directions ↗
Newhall 1 OTP
El Dorado Community Service Center
24625 ARCH ST, Newhall, CA 91321-1111
Medicare-enrolled OTP(661) 288-2644 · Directions ↗
North Hollywood 1 OTP
Western Pacific Med-Corp
4838 LAUREL CANYON BLVD, North Hollywood, CA 91607-3717
Medicare-enrolled OTP(818) 506-4455 · Directions ↗
Norwalk 1 OTP
Western Pacific Re-Hab / Western Pacific Med-Corp
11902 ROSECRANS AVE, STE A&D, Norwalk, CA 90650-4197
Medicare-enrolled OTP(562) 929-7188 · Directions ↗
Oakland 3 OTPs
Addiction Research and Treatment Inc.
1124 INTERNATIONAL BLVD, Oakland, CA 94606-4331
Medicare-enrolled OTP(510) 533-0800 · Directions ↗
Humanistic Alternatives to Addiction
10850 MACARTHUR BLVD, STE 200, Oakland, CA 94605-5266
Medicare-enrolled OTP(510) 875-2300 · Directions ↗
Lifeline Treatment Services Inc.
10429 INTERNATIONAL BLVD, Oakland, CA 94603-3221
Medicare-enrolled OTP(510) 777-8448 · Directions ↗
Oceanside 1 OTP
Mission Treatment Services Inc.
1905 APPLE ST, STE 3, Oceanside, CA 92054-4455
Medicare-enrolled OTP(760) 547-1280 · Directions ↗
Ontario 1 OTP
Aegis Treatment Centers LLC
125 W F ST, STE 101, Ontario, CA 91762-3201
Medicare-enrolled OTP(909) 986-4550 · Directions ↗
Palm Springs 1 OTP
Wchs, Inc..
1330 N INDIAN CANYON DR, Palm Springs, CA 92262-4880
Medicare-enrolled OTP(760) 322-9065 · Directions ↗
Palmdale 2 OTPs
American Health Services LLC
2720 EAST PALMDALE BLVD, STES 129, 130, 131, Palmdale, CA 93550-4930
Medicare-enrolled OTP(661) 947-3333 · Directions ↗
Tarzana Treatment Centers, Inc..
320 E PALMDALE BLVD, Palmdale, CA 93550-4598
Medicare-enrolled OTP(818) 654-3815 · Directions ↗
Panorama City 1 OTP
Western Pacific Med-Corp / Western Pacific Re-Hab
9462 VAN NUYS BLVD, Panorama City, CA 91402-1310
Medicare-enrolled OTP(818) 891-8555 · Directions ↗
Pasadena 1 OTP
Aegis Treatment Centers LLC
1450 N LAKE AVE, STE 150, Pasadena, CA 91104-2388
Medicare-enrolled OTP(626) 794-1161 · Directions ↗
Pico Rivera 1 OTP
Tavarua Health Services
8207 WHITTIER BLVD, Pico Rivera, CA 90660-2521
Medicare-enrolled OTP(562) 695-0737 · Directions ↗
Pomona 1 OTP
Aegis Treatment Centers LLC
1050 N GAREY AVE, Pomona, CA 91767-3802
Medicare-enrolled OTP(909) 623-6391 · Directions ↗
Porterville 1 OTP
Addiction Research and Treatment Inc.
89 E MILL AVE, Porterville, CA 93257-3808
Medicare-enrolled OTP(559) 853-6222 · Directions ↗
Rancho Cordova 1 OTP
Sunrise Health & Wellness Center
10089 FOLSOM BLVD, STE A, Rancho Cordova, CA 95670-1935
Medicare-enrolled OTP(916) 366-6531 · Directions ↗
Redding 1 OTP
Aegis Treatment Centers LLC
1147 HARTNELL AVE, STE B-E, Redding, CA 96002-2113
Medicare-enrolled OTP(530) 222-7213 · Directions ↗
Redlands 1 OTP
Aegis Treatment Centers LLC
1889 W REDLANDS BLVD, BLDG 9, Redlands, CA 92373-3119
Medicare-enrolled OTP(909) 501-5167 · Directions ↗
Reseda 1 OTP
Western Pacific Re-Hab / Western Pacific Med-Corp
7232 CANBY AVE, STE 4,5,6, Reseda, CA 91335-3006
Medicare-enrolled OTP(818) 705-5561 · Directions ↗
Riverside 1 OTP
Wchs Inc.
1021 W LA CADENA DR, Riverside, CA 92501-1413
Medicare-enrolled OTP(951) 784-8010 · Directions ↗
Roseville 1 OTP
Aegis Treatment Centers LLC
1133 COLOMA WAY, STE C, Roseville, CA 95661-4480
Medicare-enrolled OTP(916) 774-6647 · Directions ↗
Sacramento 4 OTPs
Bi-Valley Medical Clinic Inc.
310 HARRIS AVE, STE A, E, F, G, Sacramento, CA 95823-2627
Medicare-enrolled OTP(916) 649-6793 · Directions ↗
C.O.R.E. Medical Clinic, Inc.
2100 CAPITOL AVE, Sacramento, CA 95816-5721
Medicare-enrolled OTP(916) 442-4985 · Directions ↗
MedMark Treatment Centers - Sacramento
7240 E SOUTHGATE DR, STE G, Sacramento, CA 95823-2627
Medicare-enrolled OTP(916) 391-4293 · Directions ↗
Treatment Associates, Inc..
7225 E SOUTHGATE DR, STE D, Sacramento, CA 95823-2651
Medicare-enrolled OTP(916) 394-1000 · Directions ↗
San Diego 4 OTPs
Eldorado Community Service Center
1733 EUCLID AVE, San Diego, CA 92105-5414
Medicare-enrolled OTP(619) 263-0433 · Directions ↗
Mission Treatment Services Inc.
8898 CLAIREMONT MESA BLVD, STE H, San Diego, CA 92123-1127
Medicare-enrolled OTP(858) 715-1211 · Directions ↗
San Diego Health Alliance
7545 METROPOLITAN DR, San Diego, CA 92108-4402
Medicare-enrolled OTP(619) 718-9890 · Directions ↗
Soap Mat, LLC.
6425 UNIVERSITY AVE, San Diego, CA 92115-5808
Medicare-enrolled OTP(760) 983-2222 · Directions ↗
San Francisco 6 OTPs
Addiction Research and Treatment Inc.
1111 MARKET ST, FL 1, San Francisco, CA 94103-1509
Medicare-enrolled OTP(415) 863-3883 · Directions ↗
Addiction Research and Treatment Inc.
433 TURK ST, San Francisco, CA 94102-3329
Medicare-enrolled OTP(415) 928-7800 · Directions ↗
Bayview Hunters Point Foundation
1625 CARROLL AVE, San Francisco, CA 94124-3219
Medicare-enrolled OTP(415) 822-8200 · Directions ↗
City And County Of San Francisco
1001 POTRERO AVE, San Francisco, CA 94110-3518
Medicare-enrolled OTP(628) 206-8412 · Directions ↗
Fort Help Mission Inc.
1101 CAPP ST, San Francisco, CA 94110-4697
Medicare-enrolled OTP(415) 821-1427 · Directions ↗
Westside Methadone Treatment Program
1301 PIERCE ST, San Francisco, CA 94115-4005
Medicare-enrolled OTP(415) 431-9000 · Directions ↗
San Jose 1 OTP
County Of Santa Clara
2425 ENBORG LN, San Jose, CA 95128-2648
Medicare-enrolled OTP(408) 885-5400 · Directions ↗
San Marcos 1 OTP
San Diego Health Alliance
1560 CAPALINA RD, San Marcos, CA 92069-1288
Medicare-enrolled OTP(760) 744-2104 · Directions ↗
San Martin 1 OTP
County Of Santa Clara
90 HIGHLAND AVE, San Martin, CA 95046-9504
Medicare-enrolled OTP(408) 686-2222 · Directions ↗
San Rafael 1 OTP
Marin Treatment Center
1466 LINCOLN AVE, San Rafael, CA 94901-2021
Medicare-enrolled OTP(415) 526-8022 · Directions ↗
Santa Barbara 1 OTP
Aegis Treatment Centers LLC
4129 STATE ST, Santa Barbara, CA 93110-1848
Medicare-enrolled OTP(805) 964-4795 · Directions ↗
Santa Maria 1 OTP
Aegis Treatment Centers LLC
115 E FESLER ST, Santa Maria, CA 93454-4404
Medicare-enrolled OTP(805) 922-6597 · Directions ↗
Santa Paula 1 OTP
Aegis Treatment Centers LLC
625 E MAIN ST, Santa Paula, CA 93060-2608
Medicare-enrolled OTP(805) 525-4669 · Directions ↗
Santa Rosa 2 OTPs
Drug Abuse Alternatives Center
2403 PROFESSIONAL DR, STE 103, Santa Rosa, CA 95403-3007
Medicare-enrolled OTP(707) 360-4536 · Directions ↗
Santa Rosa Treatment Program Inc.
625 STEELE LN, Santa Rosa, CA 95403-3127
Medicare-enrolled OTP(707) 576-0818 · Directions ↗
Simi Valley 1 OTP
Aegis Treatment Centers LLC
660 E LOS ANGELES AVE, STE B2, Simi Valley, CA 93065-1884
Medicare-enrolled OTP(805) 522-1844 · Directions ↗
Stanton 1 OTP
Western Pacific Med-Corp
10751 DALE AVE, Stanton, CA 90680-2604
Medicare-enrolled OTP(714) 821-5311 · Directions ↗
Stockton 3 OTPs
Aegis Treatment Centers LLC
1839 S EL DORADO ST, Stockton, CA 95206-2025
Medicare-enrolled OTP(209) 463-0872 · Directions ↗
Aegis Treatment Centers LLC
1947 N CALIFORNIA ST, STE B&C, Stockton, CA 95204-6029
Medicare-enrolled OTP(209) 463-0870 · Directions ↗
Aegis Treatment Centers LLC
8626 LOWER SACRAMENTO RD, STE 41, Stockton, CA 95210-1835
Medicare-enrolled OTP(209) 478-2487 · Directions ↗
Sun Valley 1 OTP
Narcotic Addiction Treatment Agency
8741 LAUREL CANYON BLVD, Sun Valley, CA 91352-2919
Medicare-enrolled OTP(818) 768-5525 · Directions ↗
Tarzana 1 OTP
Tarzana Treatment Centers,Inc..
18646 OXNARD ST, Tarzana, CA 91356-1411
Medicare-enrolled OTP(818) 654-3815 · Directions ↗
Tujunga 1 OTP
Pink Chances Med Corporation
7341 FOOTHILL BLVD, STE 204, Tujunga, CA 91042-2795
Medicare-enrolled OTP(888) 821-7465 · Directions ↗
Tulare 1 OTP
Kings View
793 N CHERRY ST, Tulare, CA 93274-2205
Medicare-enrolled OTP(559) 688-7531 · Directions ↗
Ukiah 1 OTP
New Life Health Authority
280 E STANDLEY ST, Ukiah, CA 95482-4414
Medicare-enrolled OTP(707) 466-0001 · Directions ↗
Vallejo 1 OTP
Successful Alternatives for Addiction
1628 BROADWAY ST, Vallejo, CA 94590-2405
Medicare-enrolled OTP(707) 649-8300 · Directions ↗
Van Nuys 2 OTPs
American Health Services LLC
6265 SEPULVEDA BLVD, STE 9, Van Nuys, CA 91411-1126
Medicare-enrolled OTP(818) 779-0555 · Directions ↗
Western Pacific Med-Corp
14332 VICTORY BLVD, Van Nuys, CA 91401-1944
Medicare-enrolled OTP(818) 989-1996 · Directions ↗
Venice 1 OTP
American Health Services LLC
717 LINCOLN BLVD, Venice, CA 90291-2845
Medicare-enrolled OTP(310) 399-9883 · Directions ↗
Ventura 2 OTPs
Aegis Treatment Centers LLC
5225 & 5227 TELEGRAPH RD, Ventura, CA 93003-4113
Medicare-enrolled OTP(805) 765-6495 · Directions ↗
Western Pacific Med-Corp
955 E THOMPSON BLVD, Ventura, CA 93001-3008
Medicare-enrolled OTP(805) 641-9100 · Directions ↗
Visalia 1 OTP
Addiction Research and Treatment Inc.
1646 S COURT ST, Visalia, CA 93277-4962
Medicare-enrolled OTP(559) 625-8890 · Directions ↗
Vista 1 OTP
Soap Mat, LLC
1939 W VISTA WAY, Vista, CA 92083-6019
Medicare-enrolled OTP(760) 305-7528 · Directions ↗
Walnut Creek 1 OTP
Harmonic Solutions LLC
1776 YGNACIO VALLEY RD, STE 206, Walnut Creek, CA 94598-3125
Medicare-enrolled OTP(925) 278-1792 · Directions ↗
Watsonville 1 OTP
Janus Of Santa Cruz
284 PENNSYLVANIA AVE, STE 1, Watsonville, CA 95076-3768
Medicare-enrolled OTP(831) 319-4200 · Directions ↗
West Covina 1 OTP
Aegis Treatment Centers LLC
1825 E THELBORN ST, West Covina, CA 91791-1442
Medicare-enrolled OTP(626) 915-3844 · Directions ↗
West Sacramento 1 OTP
C O R E Medical Clinic Inc.
3990 INDUSTRIAL BLVD, West Sacramento, CA 95691-3430
Medicare-enrolled OTP(916) 796-0020 · Directions ↗
Wilmington 2 OTPs
Aegis Treatment Centers LLC
909 N AVALON BLVD, Wilmington, CA 90744-4503
Medicare-enrolled OTP(310) 513-1300 · Directions ↗
Transcultural Health Development
117 E HARRY BRIDGES BLVD, Wilmington, CA 90744-5825
Medicare-enrolled OTP(310) 549-8383 · Directions ↗

Suboxone, buprenorphine and Vivitrol providers in California

Office-based buprenorphine treatment is available through some primary-care, psychiatry and addiction-medicine practices. Search FindTreatment.gov by ZIP code to explore treatment services, or discuss local options with a navigator. The CA Bridge program also helps patients start buprenorphine treatment through participating emergency departments.

Listings reflect CMS public federal data dated September 8, 2026. Confirm enrollment, clinic hours, intake requirements and insurance directly before visiting.

Medication-Assisted Treatment in California by Medication

Methadone clinics in California

California has 131 Medicare-enrolled OTP locations in this CMS directory, with the greatest concentration in Los Angeles County. Methadone for opioid use disorder is dispensed through certified OTPs, usually with closely supervised visits at the start. California licenses these programs as NTPs, while federal rules govern important aspects of medication delivery and treatment. A clinic can explain admission assessments, dosing visits and the process for earning take-home medication privileges. See how methadone treatment works and what an OTP is.

Suboxone doctors and buprenorphine providers in California

People looking for Suboxone doctors in California can start with an office-based prescriber, an addiction clinic or a participating CA Bridge emergency department. Buprenorphine can be prescribed outside a methadone OTP by a practitioner with the appropriate controlled-substance authority. The federal X-waiver requirement ended in 2023. California’s Medi-Cal program covers buprenorphine within its applicable benefits, and telehealth Suboxone visits may be possible when legal and clinically appropriate. Learn more about buprenorphine and Suboxone treatment and medications for opioid use disorder.

Long-acting injectable buprenorphine: Sublocade and Brixadi

California’s DMC-ODS requirements include long-acting injectable buprenorphine among the medications NTPs must make available. Sublocade and Brixadi are clinician-administered injections; the appropriate product and starting schedule depend on the medication’s labeling and an individual assessment. Some patients prefer injections rather than daily medication handling. Ask a local program whether it provides the specific product and how Medi-Cal authorization or pharmacy arrangements work. Read the Sublocade treatment guide.

Vivitrol and naltrexone in California

Vivitrol is extended-release injectable naltrexone. Unlike methadone and buprenorphine, it blocks opioid effects and generally requires a medically supervised opioid-free period before the first dose. This can make treatment initiation difficult for some patients and should be discussed with a clinician. Medi-Cal covers oral and long-acting injectable naltrexone under the DHCS DMC-ODS treatment framework. Learn about Vivitrol and naltrexone treatment.

MedicationWhere receivedTypical starting visitsMedi-Cal
MethadoneCertified OTP / California NTPUsually frequent or daily initiallyCovered
Buprenorphine / SuboxoneQualified outpatient prescriber or OTPFollow-up depends on care planCovered
Sublocade / BrixadiTrained clinician / participating programScheduled injections and follow-upCovered under applicable DHCS services
Naltrexone / VivitrolPrescribing practice or treatment programAssessment, opioid-free period; injections typically monthlyCovered

Methadone (NTP/OTP) Rules in California

The California Department of Health Care Services (DHCS) licenses Narcotic Treatment Programs under Title 9, Division 4, Chapter 4 of California regulations; programs also follow applicable federal SAMHSA and DEA requirements. For someone entering a methadone program, the clinic will explain intake, assessments, dosing and safety checks. Ask when medication may begin and what identification or benefit information to bring.

Take-home doses, transfers and guest dosing

Federal OTP regulations updated in 2024 allow more individualized take-home decisions by clinical teams. California programs still apply their licensing and safety requirements. If you travel or move, ask about transfer records and guest dosing well before your trip; admission and guest arrangements are not automatic.

What to bring to your first NTP visit

  • Photo identification if available; ask the clinic about alternatives.
  • Medi-Cal or other insurance information and a medication list.
  • Information about your current treatment and any recent methadone dose.
  • Questions about transportation, work hours, childcare or accessibility needs.

Paying for MAT in California

Medi-Cal coverage for medication-assisted treatment in California

Medi-Cal is California’s Medicaid program and is administered by DHCS. California expanded Medicaid under the Affordable Care Act. Under Drug Medi-Cal Organized Delivery System (DMC-ODS) requirements, participating NTPs must offer methadone, buprenorphine including long-acting injections, and naltrexone. Covered services and the appropriate access pathway can vary by county and benefit arrangement.

ServiceCovered by Medi-CalNotes
Methadone for OUDYesThrough covered NTP services
BuprenorphineYesIncludes long-acting formulations in DMC-ODS requirements
Naltrexone / VivitrolYesOral and long-acting injection addressed by DHCS
Outpatient SUD treatmentYesSubject to program and eligibility requirements
Residential SUD treatmentYesSubject to eligibility and program requirements

DHCS BHIN 21-075 states that people should not be denied DMC-ODS treatment or required to taper medication to stay in the program. California’s DMC-ODS operates under CalAIM and its authorization continues through December 31, 2026. Ask your county or Medi-Cal managed care plan which provider network applies.

Medicare and OTP treatment

Medicare Part B has an opioid treatment program benefit for eligible patients. Take-home prescriptions dispensed through a pharmacy may instead fall under a drug-benefit arrangement, depending on the medication and plan. Confirm details before making appointments.

Private health insurance

Private insurance may pay for OUD medication and behavioral-health visits, but network status, pharmacy rules and out-of-pocket amounts vary by plan. Mental-health parity protections do not mean every clinician or formulation will be covered without conditions.

Options without insurance

If you do not have coverage, ask county behavioral-health services and local federally qualified health centers whether you qualify for Medi-Cal enrollment help, lower-cost appointments or other funded care. Ask for an itemized estimate before paying a clinic. For more help, read insurance coverage for MAT, how to verify benefits and treatment costs and insurance.

Get help finding a treatment option

Talk through location, insurance and which medication may fit your needs with a treatment-navigation line.

Call (347) 591-7540

This number reaches MATClinicGuide’s navigation line, not an individual clinic. Calls may be answered by or routed to participating treatment providers or navigation partners.

Telehealth MAT in California

Telehealth Suboxone in California may be an option for eligible patients, but the clinician must follow federal and applicable California rules. Federal DEA/HHS telemedicine prescribing flexibilities for controlled medications currently run through December 31, 2026; these rules can change. A remote visit is not a promise that a prescription will be issued.

A remote clinician can assess whether buprenorphine is suitable and arrange follow-up when requirements are met. Methadone for OUD still must be provided through a certified OTP; a virtual appointment does not replace authorized methadone dispensing. Ask a provider about identity verification, pharmacies, in-person follow-up and insurance. See the telehealth MAT guide.

Policy checked: October 2026. Confirm current prescribing rules before relying on remote care.

Opioid Overdose in California: Why Treatment Access Matters

California recorded 9,028 drug-overdose deaths in 2024, with an age-adjusted all-drug death rate of 21.7 per 100,000 (CDC NCHS, via USAFacts and KFF). The corresponding national rate was 23.1. The California opioid-related death rate was 13.5 per 100,000 in 2024, compared with a national opioid rate of 16.0.

California overdose death-rate trend

2019
15.0
2020
21.8
2021
26.6
2022
26.9
2023
27.9
2024
21.7
YearAll-drug rate per 100,000Opioid rate per 100,000
201915.07.9
202021.813.7
202126.617.8
202226.918.4
202327.919.7
202421.713.5

Rates increased from 2019 through 2023 and declined in 2024. Every death represents a person, and treatment access, timely overdose response and naloxone remain essential. Read about naloxone and overdose prevention.

Areas of California With Limited Methadone Access

Twenty-six California counties have no Medicare-enrolled OTP location in the CMS list dated September 8, 2026. That does not mean these counties have no treatment: office-based buprenorphine practitioners, other state-licensed programs and hospital services can offer routes to care.

Far Northern California

Counties without a listed Medicare OTP: Del Norte, Siskiyou, Modoc, Lassen, Trinity, Tehama, Plumas, Glenn, Colusa, Sierra and Lake. People in this region can search nearby OTP listings in cities such as Redding, Chico, Eureka or Ukiah, while also asking about local buprenorphine providers. These are regional starting points, not guaranteed nearest locations or travel-time estimates.

Gold Country, Sierra Nevada and Eastern Sierra

Counties without a listed Medicare OTP: Nevada, El Dorado, Amador, Calaveras, Tuolumne, Alpine, Mariposa, Mono and Inyo. People in this region can search nearby OTP listings in cities such as Roseville, Sacramento, Stockton, Modesto or Merced, while also asking about local buprenorphine providers. These are regional starting points, not guaranteed nearest locations or travel-time estimates.

Central Valley and Central Coast

Counties without a listed Medicare OTP: Sutter, Madera, Kings, Monterey, San Benito and Napa. People in this region can search nearby OTP listings in cities such as Marysville, Fresno, Visalia, Tulare, Watsonville, San Martin, Vallejo or Santa Rosa, while also asking about local buprenorphine providers. These are regional starting points, not guaranteed nearest locations or travel-time estimates.

For people facing a long trip—especially in Mono or Inyo counties—telehealth assessment and local pharmacy access may reduce some travel needs. CA Bridge offers another possible entry point through participating emergency departments; if methadone is indicated, request help locating a certified NTP.

California Treatment Resources and Helplines

California Department of Health Care Services (DHCS)

State Medicaid administrator and NTP licensing agency

Visit the DHCS website ↗

Naloxone in California

The DHCS Naloxone Distribution Project offers free naloxone nasal spray to qualifying community organizations, including schools, first responders and veteran groups. Individuals may ask a pharmacy about naloxone, which is also sold over the counter nationally. California Health and Safety Code § 11376.5 provides limited protections for people who seek medical assistance in good faith during a drug-related overdose; it does not protect unrelated offenses.

National treatment and crisis resources

MAT for Different Populations in California

Pregnant and postpartum people

People who are pregnant or postpartum can ask California NTPs and obstetric care teams to coordinate medication treatment. Methadone and buprenorphine are established treatment options in pregnancy, and stopping medication without medical advice can be risky. Ask about obstetric follow-up, newborn care and available support services.

Veterans

California veterans can ask their VA care team about medication for opioid use disorder or use the CMS directory to explore community NTP options. Availability and referral procedures vary by facility. Ask how VA benefits and other coverage apply before arranging an outside appointment.

Adolescents and young adults

Young people in California need developmentally appropriate medical care and clear explanations of consent and confidentiality rules. Ask a program whether it treats people in your age group, offers family support when appropriate and coordinates with primary care. Treatment choices should come from a qualified clinician.

People leaving jail or prison

DHCS Behavioral Health Information Notice 25-034 describes pathways to medication treatment in California prisons, county jails and youth facilities, including certain CalAIM pre-release services at facilities that meet readiness requirements. Programs may coordinate medication units, mobile treatment, courtesy dosing or carefully controlled take-home supply. Ask the facility’s discharge team to coordinate continuity of care before release.

Rural residents

For Californians living in counties without a Medicare-enrolled OTP on the CMS list, a practical plan may combine a distant NTP referral with a closer medical prescriber, when clinically suitable. Ask about transportation, telehealth eligibility, local pharmacies and emergency-department bridge services.

How to Choose a MAT Clinic in California

A useful California clinic is one that offers an appropriate medication, explains treatment steps clearly and respects your ability to make informed decisions. Ask these questions before committing to care.

Questions for a methadone NTP

  • Are you licensed as a California NTP and certified as an OTP?
  • Are new patient assessments available, and what happens at intake?
  • How frequently must I attend for dosing at the beginning?
  • What is your process for take-home medication and guest dosing?
  • Do you accept my Medi-Cal county plan or other insurance?

Questions for a buprenorphine provider

  • Do you prescribe buprenorphine or offer injectable formulations?
  • Is an in-person appointment required for my situation?
  • Which pharmacies or administration sites are used?
  • What are the costs of assessment, medication and follow-up?
  • Can you coordinate counseling or other supports if I want them?

What happens at the first visit?

  1. Discuss current opioid use, medical history and personal goals.
  2. Review medication options and safety considerations with a clinician.
  3. Confirm the treatment and follow-up plan, pharmacy or dosing site.
  4. Arrange practical support for insurance, transportation or additional care.
Red flags: Be cautious of guaranteed cures, unexplained large cash charges, pressure to stop medication without medical reasons, or being told counseling alone is the only acceptable treatment. Counseling can help, but it is not a universal prerequisite for starting medication. See whether MAT requires counseling and how long treatment may continue.

Supporting someone else? Read how to help a loved one with opioid use and the difference between MAT and MOUD.

Get help finding a treatment option

Talk through location, insurance and which medication may fit your needs with a treatment-navigation line.

Call (347) 591-7540

This number reaches MATClinicGuide’s navigation line, not an individual clinic. Calls may be answered by or routed to participating treatment providers or navigation partners.

Frequently Asked Questions About California MAT Clinics

How many methadone clinics are in California?

The September 8, 2026 CMS Medicare enrollment list includes 131 distinct opioid treatment program locations in 95 California cities. That is a count of Medicare-enrolled OTP locations, not the total number of all DHCS-licensed Narcotic Treatment Programs. Use the city directory above and confirm acceptance of new patients directly.

Does Medi-Cal cover Suboxone in California?

Yes. Medi-Cal covers buprenorphine treatment within applicable coverage and program rules. California DHCS DMC-ODS requirements include buprenorphine among medications that participating NTPs must offer. Your provider and county benefit arrangement may affect where you receive treatment and how claims are processed.

Does Medi-Cal pay for methadone treatment in California?

Yes. Methadone treatment for opioid use disorder is a covered service under the relevant Medi-Cal substance-use treatment framework. Methadone for OUD must be dispensed through a certified OTP, called an NTP in California. Check which local program participates in your specific county plan.

Are there free methadone clinics in California?

An individual may have little or no out-of-pocket cost for covered methadone treatment depending on Medi-Cal eligibility and the treatment setting. The CMS directory does not establish that any specific clinic offers free care. Ask Medi-Cal or the clinic to review your benefits and ask county services about eligibility if uninsured.

Can I get telehealth Suboxone in California?

Telehealth buprenorphine visits may be possible under federal and California rules. Federal DEA/HHS prescribing flexibilities for controlled medications currently extend through December 31, 2026, but requirements can change and clinicians assess each patient individually. Methadone dispensing for OUD remains tied to certified OTPs.

Where can I find Vivitrol treatment in California?

California’s Medi-Cal DMC-ODS requirements include oral and long-acting injectable naltrexone. Ask an addiction-medicine clinician or treatment program about whether it administers Vivitrol and whether it is right for you. Starting naltrexone usually requires an opioid-free period under medical guidance.

Which California cities have the most Medicare-enrolled OTPs?

San Francisco has six CMS-listed OTP locations. Bakersfield, Fresno and the city of Los Angeles have five each; Sacramento and San Diego have four each. Los Angeles County has 37 listed locations across several cities, according to the September 2026 CMS list.

What if my California county has no methadone OTP?

Twenty-six California counties have no Medicare-enrolled OTP in the September 2026 CMS listing. People may still have access to other state-licensed programs, office-based buprenorphine or participating CA Bridge emergency departments. Use FindTreatment.gov and ask nearby OTPs about travel and transfer arrangements.

Can I begin buprenorphine in a California emergency department?

Some California emergency departments participating in CA Bridge provide low-barrier access to buprenorphine and patient navigators. According to UCLA Health in September 2025, CA Bridge had reached more than 80% of California emergency departments. Actual medication availability and referral support depend on the hospital and individual clinical assessment.

What should I bring to a California methadone clinic intake?

Bring any available identification, insurance or Medi-Cal details, your medication list and relevant treatment records. The California NTP will explain its own intake process, assessment and initial dosing plan. Ask ahead about accepted documents, transportation needs and possible appointment times.

Sources, Methodology and Editorial Standards

  1. CMS Medicare OTP Providers · September 8, 2026
  2. DHCS DMC-ODS Requirements · BHIN 21-075
  3. DHCS DMC-ODS materials
  4. DHCS BHIN 25-034 · October 2025
  5. DHCS Naloxone Distribution Project
  6. California Health and Safety Code § 11376.5
  7. CA Bridge / UCLA Health · September 2025
  8. KFF / CDC NCHS overdose death rates · 2019–2024
  9. USAFacts / CDC overdose deaths · 2024

Directory locations were compiled from the September 8, 2026 CMS Medicare OTP provider list, with repeated records for the same physical address consolidated. County grouping follows the listed city. Statistics cite their named reporting sources. MATClinicGuide.com does not own or operate the clinics listed here.

Medical disclaimer: This page provides education and treatment-navigation information, not diagnosis, a prescription or medical advice. A qualified clinician should advise you about medications and treatment decisions.

Referral disclosure: MATClinicGuide.com is an educational treatment-navigation resource, not a treatment provider. Our phone number connects to our navigation line, not directly to a directory clinic. Calls may be answered by, or routed to, participating treatment providers or navigation partners. Confirm details with any clinic before obtaining services. For an emergency call 911; for emotional crisis call or text 988.

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