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

Dr. Michael Lee Wynn, MD

Individual provider Surgery Physician · NPI 1285673996

Dr. Michael Lee Wynn, MD is a General Surgery in San Ramon, California. Graduated from Irvine California College of Medicine in 1978, 48 years ago. Practices with Sutter Bay Medical Foundation, a 3,762-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
48
Trained at
Irvine California College of Medicine
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

5601 Norris Canyon Rd Ste 100
San Ramon, CA 94583-5407
Phone: (925) 277-1055
Fax: (925) 277-1915
Show map & directions

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

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 006398000 (CA)

Record details

NPI number1285673996
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 6, 2006
Last updated in NPPESJune 3, 2020
Certification dateJune 3, 2020

Medicare enrollment

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

Medicare specialtyGENERAL SURGERY
Medical schoolIRVINE CALIFORNIA COLLEGE OF MEDICINE
Graduated 1978 (48 years in practice)
Group practice Sutter Bay Medical Foundation — 3762 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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