William Roy Mains, M.D.
Addiction Psychiatry Psychiatry & Neurology
William Roy Mains is an Addiction Psychiatry Psychiatry & Neurology specialist based in Oakland, CA with over 30 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Patients across CA can see William Roy Mains, M.D. in person in Oakland or via virtual visit — no travel required. He graduated from University of California, San Diego School of Medicine in 1996 and has 30+ years of clinical experience. Addiction Psychiatry is a subspecialty of psychiatry that focuses on evaluation and treatment of individuals with alcohol, drug, or other su...
At a glance
- Uses generic medications more than 86% of reporting doctors in California
- Virtual visits available — no app or travel required
Older · 5980dNPPES updated 2010-01-07 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
7200 Bancroft Ave Suite 133, Oakland, CA 94605-2403
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1996
University of California, San Diego School of Medicine
30 years in practice
Senior practitioner
Addiction Psychiatry is a subspecialty of psychiatry that focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.
Taxonomy: 2084P0802X
Education & Training
University of California, San Diego School of Medicine (Class of 1996)
Virtual Addiction Psychiatry Care With William Roy Mains
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with William Roy Mains for follow-ups, medication reviews, and ongoing care — no travel to Oakland required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about William Roy Mains
Dr. Mains is listed as active in the NPI registry with telehealth listed in Oakland, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (510) 553-8500.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D. See Data Methodology.
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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact William Roy Mains
Practice Location
7200 Bancroft Ave Suite 133, Oakland, CA 94605-2403
Mailing Address
7200 Bancroft Ave Suite 133, Oakland, CA 94605-2403
This is a provider directory. Contact the office directly to schedule appointments.
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