Substance Use Treatment in Hayward, CA

Haart

What Does Haart Offer?

Haart is a substance use treatment facility at 20094 Mission Boulevard, Hayward, California, offering outpatient treatment. It accepts Medicaid, Medicare, private insurance, TRICARE, state-financed insurance and self-pay and offers a sliding fee scale. Medication treatment: methadone (certified opioid treatment program), buprenorphine and naltrexone.

Reviewed by Michael Rupe ·October 2, 2026

20094 Mission Boulevard
Hayward, CA 94541

Listed in SAMHSA's FindTreatment.gov, checked October 2026. A listing is not an endorsement. Call to confirm services, openings and costs before you go.

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Treatment facility (SAMHSA listing)This facility

Types of Care at Haart

Outpatient
Outpatient methadone/buprenorphine or naltrexone treatment
Regular outpatient treatment

Payment, Insurance and Help Paying

Medicare
Medicaid
Federal military insurance (e.g., TRICARE)
Private health insurance
Cash or self-payment
State-financed health insurance plan other than Medicaid
Sliding fee scale (fee is based on income and other factors)

Medication Treatment

Buprenorphine maintenance
Federally-certified Opioid Treatment Program
Methadone maintenance
Prescribes buprenorphine
Prescribes naltrexone
Relapse prevention with naltrexone
Lofexidine or Clonidine detoxification
Maintenance service with medically supervised withdrawal after stabilization
Acamprosate (Campral®)
Disulfiram
Methadone
Buprenorphine with naloxone
Buprenorphine without naloxone
Buprenorphine (extended-release, injectable)
Naltrexone (oral)
Naltrexone (extended-release, injectable)
Clonidine

Who the Program Serves

Young adults
Adult women
Pregnant/postpartum women
Adult men
Seniors or older adults
Veterans
Active duty military
Members of military families
Criminal justice (other than DUI/DWI)/Forensic clients
Clients with co-occurring mental and substance use disorders
Clients with co-occurring pain and substance use disorders
Clients with HIV or AIDS
Clients who have experienced sexual abuse
Clients who have experienced intimate partner violence, domestic violence
Clients who have experienced trauma
Ages: Children/Adolescents
Ages: Young Adults
Ages: Seniors
Accepts: Female
Accepts: Male
Opioid use disorder clients only

Language Services

Spanish

Licensing and Accreditation

State substance use treatment agency
State department of health
The Joint Commission
SAMHSA certification for opioid treatment program (OTP)
Drug Enforcement Agency (DEA)

Treatment Approaches

Brief intervention
Cognitive behavioral therapy
Contingency management/motivational incentives
Motivational interviewing
Relapse prevention
Substance use disorder counseling
Trauma-related counseling
Telemedicine/telehealth therapy

Assessment, Recovery Support and Other Services

Comprehensive substance use assessment
Complete medical history/physical exam
Screening for tobacco use
Screening for substance use
Screening for mental disorders
Aftercare/continuing care
Discharge Planning
Naloxone and overdose education
Outcome follow-up after discharge
Housing services
Assistance with obtaining social services
Recovery coach
Mentoring/peer support
Employment counseling or training
Case management service
Social skills development
Transportation assistance
Suicide prevention services
Breathalyzer or blood alcohol testing
Drug and alcohol oral fluid testing
Drug or alcohol urine screening
HIV testing
STD testing
TB screening
Testing for Hepatitis C (HCV)

Before you commit, confirm openings, costs and the program's state license. How to choose a rehab you can trust lists the questions to ask when you call, and addiction treatment in California lists the state's treatment agency.