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

Individual provider Psychiatry Physician · NPI 1730490418

William Byerley, MD is a Psychiatry Physician in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2010
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

401 Parnassus Ave
San Francisco, CA 94143-2211
Phone: (415) 476-7432
Fax: (415) 476-7320
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence C41578 (CA)

Record details

NPI number1730490418
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 28, 2010
Last updated in NPPESSeptember 17, 2010

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