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

Michael Adam Pfeffer, MD

Individual provider Hospitalist Physician · NPI 1952434607

Michael Adam Pfeffer, MD is an Internal Medicine in Stanford, California. Graduated from Js Weill Medical College, Cornell University in 2004, 22 years ago. Practices with Stanford Health Care, a 3,085-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
22
Trained at
Js Weill Medical College, Cornell University
Licensed in
CA
In the registry since
2007
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

300 Pasteur Dr
Stanford, CA 94305-2200
Phone: (650) 723-4000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 757 Westwood Plz, Los Angeles, CA 90095-7417 — (310) 267-9626

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A93075 (CA)
Hospitalist Physician Taxonomy 208M00000X · Licence A93075 (CA)
Clinical Informatics Physician Taxonomy 2083C0008X · Licence A93075 (CA)

Record details

NPI number1952434607
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 13, 2007
Last updated in NPPESApril 23, 2024
Certification dateApril 23, 2024
Mailing address300 Pasteur Dr, Stanford, CA 94305-2200

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolJS WEILL MEDICAL COLLEGE, CORNELL UNIVERSITY
Graduated 2004 (22 years in practice)
Group practice Stanford Health Care — 3085 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Stanford