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

Ken Zafren, MD

Individual provider Emergency Medicine Physician · NPI 1366466120

Ken Zafren, MD is an Emergency Medicine in Stanford, California. Graduated from University of Washington School of Medicine in 1984, 42 years ago. Practices with Stanford Health Care, a 3,085-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Alaska and California.

Years since qualifying
42
Trained at
University of Washington School of Medicine
Licensed in
AK, 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

300 Pasteur Dr
Stanford, CA 94305-2200
Phone: (650) 723-0000
Show map & directions

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

Additional practice locations (1)

  • 4315 Diplomacy Dr, Anchorage, AK 99508-5926 — (907) 729-1729

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence G70948 (CA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 2181 (AK)

Record details

NPI number1366466120
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 26, 2006
Last updated in NPPESMarch 21, 2024
Certification dateMarch 21, 2024

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Stanford Health Care — 3085 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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