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

Dr. Donald A Breyer, MD

Individual provider Diagnostic Radiology Physician · NPI 1194848150

Dr. Donald A Breyer, MD is a Diagnostic Radiology Physician in Oakland, 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.

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Practice location Address checks out

6861 Gunn Dr
Oakland, CA 94611-1442
Phone: (510) 339-9204
Fax: (510) 338-0069
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence G23907 (CA)

Record details

NPI number1194848150
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 6, 2007
Last updated in NPPESJuly 8, 2007

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