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

Dr. Michael A Sommer, MD

Individual provider Orthopaedic Surgery Physician · NPI 1366578965

Dr. Michael A Sommer, MD is an Orthopaedic Surgery Physician in Sonoma, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

368 Perkins St
Sonoma, CA 95476-6827
Phone: (707) 939-0930
Fax: (707) 939-0805
Show map & directions

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence G-14212 (CA)

Record details

NPI number1366578965
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 26, 2007
Last updated in NPPESJuly 8, 2007

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