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DR. DONALD A BREYER M.D.
NPI 1194848150
Radiology - Diagnostic Radiology in Oakland, CA

Active since April 06, 2007
6861 GUNN DR, OAKLAND, CA 94611(510) 339-9204(510) 338-0069 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Donald A Breyer M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DONALD A BREYER M.D. (NPI 1194848150) is an individual diagnostic radiology provider in Oakland, California, licensed in California (G23907) and active in the NPI registry since April 2007.

NPPES Registry Identity

NPI1194848150
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. DONALD A BREYERCredential: M.D.
Location Address6861 GUNN DROakland, CA 94611-1442
Mailing Address6861 Gunn DrOakland, CA 94611-1442 · (510) 339-9204 · Fax (510) 338-0069
Phone(510) 339-9204
Fax(510) 338-0069
Sole ProprietorYes
Enumeration DateApril 6, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1194848150 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · G23907
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
6861 GUNN DR, Oakland, CA 94611
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Other Identifiers 2

Medicare UPIND12452CA
Medicare ID-Type UnspecifiedHSP40320FCA

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Donald Breyer's NPI number?

The NPI number for Donald Breyer is 1194848150. It was assigned to this individual provider in the NPPES registry on April 6, 2007.

Where is Donald Breyer located?

Donald Breyer practices at 6861 Gunn Dr, Oakland, CA 94611. The listed phone number is (510) 339-9204.

What is Donald Breyer's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

When was this NPI record last updated?

The NPPES record for Donald Breyer was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.