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

Gary W. Peer, MD

Individual provider Internal Medicine Physician · NPI 1245346956

Gary W. Peer, MD is an Internal Medicine Physician in Livermore, California. Licensed in California. Registered with an NPI since 2006.

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

87 Fenton St Ste 101
Livermore, CA 94550-4183
Phone: (925) 447-1330
Fax: (925) 447-0933
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G48280 (CA)

Record details

NPI number1245346956
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 23, 2006
Last updated in NPPESOctober 24, 2007
Mailing address87 Fenton St Ste 101, Livermore, CA 94550-4183

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