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

Gary Birnbaum MD Prof Corp

Organization Family Medicine Physician · NPI 1255807152

Gary Birnbaum MD Prof Corp is a Family Medicine Physician in Mill Valley, California. Registered with an NPI since 2018.

In the registry since
2018
What do these letters mean?
Corp — Corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

97 Vista Del Sol
Mill Valley, CA 94941-4920
Phone: (415) 350-0639
Fax: (415) 366-2882
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X

Record details

NPI number1255807152
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official David Harnden — Administrative Manager · (415) 648-2021
NPI enumeratedOctober 17, 2018
Last updated in NPPESOctober 17, 2018
Mailing address97 Vista Del Sol, Mill Valley, CA 94941-4920

Other providers in Mill Valley