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

Mary Welter

Individual provider Internal Medicine Physician · NPI 1902463979

Mary Welter is an Internal Medicine in San Francisco, California. Graduated from University of California, Davis School of Medicine in 2021, 5 years ago. Practices with Regents of the University of California, a 717-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
5
Trained at
University of California, Davis School of Medicine
Licensed in
CA
In the registry since
2019
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Practice location Address checks out

521 Parnassus Ave
San Francisco, CA 94143-2206
Phone: (415) 885-3723
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1001 Potrero Ave Bldg 25, San Francisco, CA 94110-3518 — (628) 206-8000

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A191802 (CA)

Record details

NPI number1902463979
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedMay 23, 2019
Last updated in NPPESOctober 11, 2024
Certification dateOctober 11, 2024

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Regents Of The University Of California — 717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in San Francisco