Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Richard Martin Grandquist III, PA-C

Individual provider Medical Physician Assistant · NPI 1578962049

Richard Martin Grandquist III, PA-C is a Medical Physician Assistant in Colton, California. Licensed in California. Registered with an NPI since 2014.

Licensed in
CA
In the registry since
2014
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

400 N Pepper Ave Ste 107
Colton, CA 92324-1801
Phone: (650) 996-8240
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence 51840 (CA)

Record details

NPI number1578962049
Entity typeIndividual (Type 1)
GenderMale
Credentials PA-C
Sole proprietorNo
NPI enumeratedAugust 20, 2014
Last updated in NPPESAugust 20, 2014

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