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

Dr. Stanley Mark Yantis, MD

Individual provider Psychiatry Physician · NPI 1659426013

Dr. Stanley Mark Yantis, MD is a Psychiatry in San Francisco, California. Graduated from Perelman School of Med at the University of Pennsylvania in 1973, 53 years ago. Practices with City and County of San Francisco, a 369-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
53
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
CA
In the registry since
2007
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

45 Castro St Ste 402
San Francisco, CA 94114-1010
Phone: (415) 241-5601
Fax: (415) 861-8733
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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 G56191 (CA)

Record details

NPI number1659426013
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 24, 2007
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 1973 (53 years in practice)
Group practice City And County Of San Francisco — 369 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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