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

Individual provider Obstetrics & Gynecology Physician · NPI 1962596551

John K Chan, MD is a Gynecological Oncology in San Francisco, California. Graduated from University of California, Geffen School of Medicine in 1995, 31 years ago. Practices with Sutter Bay Medical Foundation, a 3,762-clinician group, works from 3 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
31
Trained at
University of California, Geffen School of Medicine
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

1100 Van Ness Ave Fl 4
San Francisco, CA 94109
Phone: (415) 600-0930
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 751 S Bascom Ave, San Jose, CA 95128 — (408) 885-5000
  • 751 S Bascom Ave, San Jose, CA 95128 — (408) 885-5000

Specialties & licences

Gynecologic Oncology Physician (primary) Taxonomy 207VX0201X · Licence A61661 (CA)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence A61661 (CA)

Record details

NPI number1962596551
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 3, 2006
Last updated in NPPESMay 28, 2020
Certification dateMay 28, 2020
Mailing address325 Distel Cir, Los Altos, CA 94022-1408

Medicare enrollment

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

Medicare specialtyGYNECOLOGICAL ONCOLOGY
Medical schoolUNIVERSITY OF CALIFORNIA, GEFFEN SCHOOL OF MEDICINE
Graduated 1995 (31 years in practice)
Group practice Sutter Bay Medical Foundation — 3762 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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