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

Peter Marshall Gaines, MD

Individual provider Geriatric Medicine (Family Medicine) Physician · NPI 1912915380

Peter Marshall Gaines, MD is a Family Practice in Modesto, California. Qualified in 1987, 39 years ago. Practices with Golden Valley Health Centers, a 110-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
39
Licensed in
CA
In the registry since
2006
Specialties on file
2
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

401 Paradise Rd Ste E
Modesto, CA 95351-3104
Phone: (209) 558-4000
Fax: (209) 558-5036
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence G64747 (CA)
Geriatric Medicine (Family Medicine) Physician Taxonomy 207QG0300X · Licence G64747 (CA)

Record details

NPI number1912915380
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 3, 2006
Last updated in NPPESJuly 17, 2023
Certification dateJuly 17, 2023
Mailing address830 Scenic Dr, Modesto, CA 95350-6131

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Also practisesGERIATRIC MEDICINE
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Golden Valley Health Centers — 110 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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