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

Dr. Gervacio D Diaz III, MD

Individual provider Internal Medicine Physician · NPI 1700835451

Dr. Gervacio D Diaz III, MD is an Internal Medicine in Modesto, California. Qualified in 1988, 38 years ago. Practices with Sutter Valley Medical Foundation, a 2,464-clinician group. Licensed in California.

Years since qualifying
38
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

2013 Coffee Rd
Modesto, CA 95355-2405
Phone: (209) 529-8506
Fax: (209) 529-8524
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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 A69801 (CA)

Record details

NPI number1700835451
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 9, 2006
Last updated in NPPESMarch 13, 2023
Certification dateMarch 13, 2023
Mailing address2013 Coffee Rd, Modesto, CA 95355-2405

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1988 (38 years in practice)
Group practice Sutter Valley Medical Foundation — 2464 clinicians
Accepts Medicare assignment Not indicated
Practice locations3 on file with Medicare

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