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

Dr. Mary Eleanor Margaretten, MD

Individual provider Rheumatology Physician · NPI 1588802706

Dr. Mary Eleanor Margaretten, MD is a Rheumatology in San Francisco, California. Graduated from University of California, San Francisco School of Medicine in 2003, 23 years ago. Practices with City and County of San Francisco, a 369-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
23
Trained at
University of California, San Francisco School of Medicine
Licensed in
CA
In the registry since
2009
Specialties on file
2
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

3333 California St Ste #270
San Francisco, CA 94143-0001
Phone: (415) 476-2965
Fax: (415) 476-9030
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1001 Potrero Avenue, San Francisco, CA 94110-3518 — (628) 206-4777

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence A90714 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A90714 (CA)

Record details

NPI number1588802706
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedJanuary 26, 2009
Last updated in NPPESApril 28, 2026
Certification dateApril 28, 2026

Medicare enrollment

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

Medicare specialtyRHEUMATOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, SAN FRANCISCO SCHOOL OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice City And County Of San Francisco — 369 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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