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

Pam Grewall, MD

Individual provider Internal Medicine Physician · NPI 1578580445

Pam Grewall, MD is an Internal Medicine in San Francisco, California. Graduated from New York College of Osteo Medicine of New York Institute of Technology in 2000, 26 years ago. Practices with County of Santa Clara, a 993-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
26
Trained at
New York College of Osteo Medicine of New York Institute of Technology
Licensed in
CA
In the registry since
2006
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

2340 Clay St 2nd Fl
San Francisco, CA 94115-1932
Phone: (415) 600-3458
Fax: (415) 600-3451
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence A78443 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A78443 (CA)

Record details

NPI number1578580445
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 16, 2006
Last updated in NPPESMay 7, 2019

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolNEW YORK COLLEGE OF OSTEO MEDICINE OF NEW YORK INSTITUTE OF TECHNOLOGY
Graduated 2000 (26 years in practice)
Group practice County Of Santa Clara — 993 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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