Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Marion Barnard, MD

Individual provider Psychiatry Physician · NPI 1477602449

Dr. William Marion Barnard, MD is a Psychiatry Physician in San Rafael, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1600 Los Gamos Dr Ste 300
San Rafael, CA 94903-1806
Phone: (415) 491-7231
Fax: (415) 472-8184
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence C40925 (CA)

Record details

NPI number1477602449
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 9, 2007
Last updated in NPPESJuly 8, 2007
Mailing address2030 Vallejo St, Apt 303, San Francisco, CA 94123-4864

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