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

Individual provider Obstetrics & Gynecology Physician · NPI 1669441358

MS. Karen P. Tuan, MD is an Obstetrics/Gynecology in San Francisco, California. Graduated from Boston University School of Medicine in 1990, 36 years ago. Accepts Medicare assignment. Licensed in California.

Years since qualifying
36
Trained at
Boston University School of Medicine
Licensed in
CA
In the registry since
2006
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

929 Clay St Ste 305
San Francisco, CA 94108-1556
Phone: (415) 398-7178
Fax: (415) 398-5525
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence G80796 (CA)

Record details

NPI number1669441358
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 15, 2006
Last updated in NPPESAugust 2, 2010

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolBOSTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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