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

Ajay Kumar Upadhyay, MD

Individual provider Surgery Physician · NPI 1104888155

Ajay Kumar Upadhyay, MD is a General Surgery in Oakland, California. Qualified in 1980, 46 years ago. Practices with Sutter Bay Medical Foundation, a 3,762-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
46
Licensed in
CA
In the registry since
2006
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

365 Hawthorne Ave Ste 101
Oakland, CA 94609-3115
Phone: (510) 465-5523
Fax: (510) 832-6061
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 3010 Colby St Ste 118, Berkeley, CA 94705-2059 — (510) 486-0818
  • 27206 Calaroga Ave Ste 206, Hayward, CA 94545-4300 — (510) 732-5731

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence A53488 (CA)

Record details

NPI number1104888155
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 5, 2006
Last updated in NPPESFebruary 11, 2025
Certification dateFebruary 11, 2025

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolOTHER
Graduated 1980 (46 years in practice)
Group practice Sutter Bay Medical Foundation — 3762 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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