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

Individual provider Psychologist · NPI 1841455987

Dr. Mark Alan Stalnaker, PHD is a Psychologist in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

1143 Balboa St
San Francisco, CA 94118-3628
Phone: (415) 269-6850
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X (CA)

Record details

NPI number1841455987
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 28, 2008
Last updated in NPPESJuly 28, 2008

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