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Chaparral Medical Group Inc

Q: What type of organization is Chaparral Medical Group Inc?

Chaparral Medical Group Inc is registered in NPPES as a Endocrinology, Diabetes & Metabolism Physician (its primary provider taxonomy).

Endocrinology, Diabetes & Metabolism Physician in Pomona, CA · enumerated 2006 · authorized official Adrienne Walker, Contracts Administrator.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1114989241

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Registry record

Entity type Organization (Type 2)

Legal business name Chaparral Medical Group Inc

Practice address 1904 N Orange Grove Ave, Chaparral Medical Group, Pomona, CA, 91767

Phone (909) 469-1823

Fax (909) 469-1827

Enumeration date Apr 4, 2006

Last updated in NPPES Mar 14, 2022

Taxonomy & classification

133V00000X Registered Dietitian Dietary & Nutritional Service Providers Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians Secondary

207RE0101X Endocrinology, Diabetes & Metabolism Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Adrienne Walker

Title Contracts Administrator

Phone (909) 398-1550

Other identifiers

Identifier	Type	State	Issuer
GR0052958	Medicaid	CA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What type of organization is Chaparral Medical Group Inc?

Chaparral Medical Group Inc is registered in NPPES as a Endocrinology, Diabetes & Metabolism Physician (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-03-14.