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

Chaparral Medical Group Inc

Organization Internal Medicine Physician · NPI 1376506956

Chaparral Medical Group Inc is an Internal Medicine Physician in Claremont, California. Registered with an NPI since 2006.

In the registry since
2006
Specialties on file
3
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

138 Harvard Ave Chaparral Medical Group
Claremont, CA 91711-4716
Phone: (909) 624-4503
Fax: (909) 624-6364
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X
Internal Medicine Physician Taxonomy 207R00000X
Surgery Physician Taxonomy 208600000X

Record details

NPI number1376506956
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Adrienne Walker — Contracts Administrator · (909) 398-1550
NPI enumeratedApril 6, 2006
Last updated in NPPESApril 18, 2022
Certification dateApril 18, 2022
Mailing address840 Towne Center Dr, Administrative Resources, Pomona, CA 91767-5900

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