Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Chaparral Medical Group, Inc.

Q: What is the NPI number for Chaparral Medical Group, Inc.?

The NPI for Chaparral Medical Group, Inc. is 1467903039, a Type 2 (organization) record in the CMS NPPES registry.

Clinical Cardiac Electrophysiology Physician in Upland, CA · enumerated 2016 · authorized official Adrienne Walker, Contracts Manager.

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

National Provider Identifier

1467903039

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Registry record

Entity type Organization (Type 2)

Legal business name Chaparral Medical Group, Inc.

Practice address 685 N 13th Ave, Suite 11, Upland, CA, 91786

Phone (909) 623-8796

Fax (909) 623-3076

Enumeration date Oct 19, 2016

Last updated in NPPES Nov 8, 2016

Taxonomy & classification

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians Secondary

207RC0001X Clinical Cardiac Electrophysiology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Adrienne Walker

Title Contracts Manager

Phone (909) 398-1550

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

Who is the authorized official for Chaparral Medical Group, Inc.?

NPPES lists Adrienne Walker (Contracts Manager) as the authorized official for this organization.

What is the NPI number for Chaparral Medical Group, Inc.?

The NPI for Chaparral Medical Group, Inc. is 1467903039, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

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Roger Duber Interventional Cardiology Physician · Upland, CA NPI 1942261904 Carlos Canizales Cardiovascular Disease Physician · Upland, CA NPI 1285690909 Los Angeles Cardiology Associates Interventional Cardiology Physician · Upland, CA NPI 1407809791 Roger D. Duber D.O., Inc. Contractor · Upland, CA NPI 1245448752 Carlos R Canizales MD Inc Cardiovascular Disease Physician · Upland, CA NPI 1790987568 Hammad Khan Interventional Cardiology Physician · Upland, CA NPI 1992904395 Hammad O Khan, MD, Inc. Interventional Cardiology Physician · Upland, CA NPI 1679908404 Janine Marie Balasbas Family Nurse Practitioner · Upland, CA NPI 1982285052

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-11-08.