Haart
20094 Mission Boulevard, ZIP 94541
- Outpatient treatment
- Methadone
- Buprenorphine
- Naltrexone
- Medicaid
- Medicare
- Private insurance
- Sliding fee
Hayward, CA · Listings Checked October 2026
Methadone Clinics in Hayward, CA
Where Can You Find Methadone Clinics in Hayward?
SAMHSA's FindTreatment.gov lists 2 federally certified methadone clinics (opioid treatment programs) in Hayward, CA (checked October 2026). 2 of them accept Medicaid.
- 2Methadone Clinics
- 2Accept Medicaid
- 2Accept Medicare
- 2Also prescribe buprenorphine
- 1Also offer naltrexone
- 2Sliding fee scale
- 2Programs for pregnant women
All 2 Methadone Clinics in Hayward
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MedMark Treatment Centers
795 Fletcher Lane, ZIP 94544
- Detox
- Outpatient treatment
- Methadone
- Buprenorphine
- Medicaid
- Medicare
- Private insurance
- Sliding fee
Listings from SAMHSA's FindTreatment.gov, checked October 2026, in alphabetical order. A listing is not an endorsement. Call to confirm services, openings and costs.
More About Methadone Clinics
Read how methadone clinics work. For every listing in the city, see drug and alcohol rehab in Hayward, or methadone clinics across California.
DHCS SUD Non-Emergency Treatment Referral Line: 1-800-879-2772.
Frequently Asked Questions
How Many Methadone Clinics Are in Hayward?
SAMHSA's FindTreatment.gov lists 2 federally certified methadone clinics (opioid treatment programs) in Hayward, CA, checked October 2026.
Do Methadone Clinics in Hayward Accept Medicaid?
2 of the 2 listed accept Medicaid. Confirm your plan with the facility before you start.
Is There a California Treatment Helpline?
DHCS SUD Non-Emergency Treatment Referral Line: 1-800-879-2772. SAMHSA's National Helpline, 1-800-662-4357, is free, confidential and open 24/7.