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

Peter Lyon Greenberg, MD

Individual provider Internal Medicine Physician · NPI 1912033978

Peter Lyon Greenberg, MD is a Hematology in Stanford, California. Graduated from George Washington University School of Medicine in 1963, 63 years ago. Practices with Stanford Health Care, a 3,085-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
63
Trained at
George Washington University School of Medicine
Licensed in
CA
In the registry since
2007
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

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 (2)

  • 875 Blake Wilbur Drive, Stanford, CA 94305 — (650) 725-8355
  • 120 Ware Rd, Woodside, CA 94062-4537 — (650) 529-9422

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence G14630 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence G14630 (CA)

Record details

NPI number1912033978
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 26, 2007
Last updated in NPPESApril 26, 2024
Certification dateApril 26, 2024
Mailing address300 Pasteur Dr, Stanford, CA 94305-2200

Medicare enrollment

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

Medicare specialtyHEMATOLOGY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1963 (63 years in practice)
Group practice Stanford Health Care — 3085 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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