1. Home
  2. Directory
  3. California
  4. Claremont
  5. Internal Medicine
  6. NPI Profile

CHAPARRAL MEDICAL GROUP INC
NPI 1376506956
Internal Medicine - Endocrinology, Diabetes & Metabolism in Claremont, CA

Active since April 06, 2006CLIA 05D0933196 · Waiver
138 HARVARD AVE, CHAPARRAL MEDICAL GROUP, CLAREMONT, CA 91711(909) 624-4503(909) 624-6364 Get Directions Write a Review

NPPES record last updated: April 18, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Chaparral Medical Group Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHAPARRAL MEDICAL GROUP INC (NPI 1376506956) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Claremont, California and active in the NPI registry since April 2006. The organization holds a CLIA Waiver certificate valid through September 7, 2027 and lists Adrienne M Walker, Contracts Administrator, as its authorized official.

NPPES Registry Identity

NPI1376506956
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameCHAPARRAL MEDICAL GROUP INC
Location Address138 HARVARD AVE, CHAPARRAL MEDICAL GROUPClaremont, CA 91711-4716
Mailing Address840 Towne Center Dr, Administrative ResourcesPomona, CA 91767-5900 · (909) 398-1550 · Fax (909) 398-1573
Phone(909) 624-4503
Fax(909) 624-6364
Organization SubpartNo
Authorized OfficialAdrienne M WalkerContracts Administrator · (909) 398-1550
Enumeration DateApril 6, 2006
Last NPPES UpdateApril 18, 2022
NPPES CertifiedApril 18, 2022
✔ NPI 1376506956 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedInternal MedicineTaxonomy 207R00000X
Also ListedSurgeryTaxonomy 208600000X
138 HARVARD AVE, Claremont, CA 91711
Open in Google Maps ↗

Other Identifiers 1

MedicaidGR0052951CA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0933196

Chaparral Medical Group Inc · Claremont, CA
Active · expires Sep 7, 2027
CLIA Number05D0933196
Laboratory TypePhysician Office
Certificate Effective DateSeptember 8, 2025
Certificate Expiration DateSeptember 7, 2027
Laboratory DirectorAshok Sharma MD
Laboratory Phone(909) 624-4503
Laboratory LocationChaparral Medical Group Inc138 Harvard Avenue, Claremont, CA 91711
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ASHOK SHARMA MD
Internal Medicine
138 HARVARD AVE
CLAREMONT, CA 91711
Los Angeles County (909) 624-4503
CHAPARRAL MEDICAL GROUP, INC
Internal Medicine (Endocrinology, Diabetes & Metabolism)
138 HARVARD AVE
CLAREMONT, CA 91711
Los Angeles County (909) 624-4503
CHAPARRAL MEDICAL GROUP INC
Internal Medicine (Nephrology)
138 HARVARD AVE
CLAREMONT, CA 91711
Los Angeles County (909) 624-4503
CHAPARRAL MEDICAL GROUP INC
Internal Medicine (Nephrology)
138 HARVARD AVE
CLAREMONT, CA 91711
Los Angeles County (909) 624-4503
CHAPARRAL MEDICAL GROUP, INC
Internal Medicine (Nephrology)
138 HARVARD AVE
CLAREMONT, CA 91711
Los Angeles County (909) 624-4503

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Chaparral Medical Group Inc's NPI number?

The NPI number for Chaparral Medical Group Inc is 1376506956. It was assigned to this organization in the NPPES registry on April 6, 2006.

Where is Chaparral Medical Group Inc located?

Chaparral Medical Group Inc is located at 138 Harvard Ave Chaparral Medical Group, Claremont, CA 91711. The listed phone number is (909) 624-4503.

What is Chaparral Medical Group Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Does Chaparral Medical Group Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0933196) is associated with this NPI, valid through September 7, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Chaparral Medical Group Inc was last updated on April 18, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.