HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CA

WILLIAM R MAINS, MD

PSYCHIATRY

Medical school: UNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE

Graduated: 1996

Offers telehealth

NPI: 1477751741

Practice Locations (2)

1080 MARINA VILLAGE PKWY, SUITE 100

ALAMEDA, CA 945011011

1080 MARINA VILLAGE PKWY, SUITE 100

ALAMEDA, CA 945011078

Source: CMS National Downloadable File, September 2026.

WILLIAM MAINS, MD | HealthCareAtlasUSA