CHAPARRAL MEDICAL GROUP, INC.
CHAPARRAL MEDICAL GROUP, INC. is an organization registered with the National Plan and Provider Enumeration System (NPPES) under NPI 1437111028, based in Pomona, CA. The organization lists 15 taxonomy classifications, with General Practice Physician recorded as primary.
Getting there
The practice address on file is 1866 N ORANGE GROVE AVE 202 201 102 & 104, Pomona, CA 91767. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.
Credentials and Medicare
NPPES does not list a state licence number for this record. That is not unusual — organizations and some provider types are not required to file one. Verify current licensure with the relevant state board before care.
This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.
What General Practice covers
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. NUCC Health Care Provider Taxonomy, code 208D00000X
All registered taxonomy codes
This provider registers 15 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.
| Code | Specialty | Licence | State | |
|---|---|---|---|---|
| 171M00000X | Case Manager/Care Coordinator | — | — | |
| 207PH0002X | Hospice and Palliative Medicine (Emergency Medicine) Physician Hospice and Palliative Medicine | — | — | |
| 207R00000X | Internal Medicine Physician | — | — | |
| 207RC0000X | Cardiovascular Disease Physician Cardiovascular Disease | — | — | |
| 207RC0001X | Clinical Cardiac Electrophysiology Physician Clinical Cardiac Electrophysiology | — | — | |
| 207RC0200X | Critical Care Medicine (Internal Medicine) Physician Critical Care Medicine | — | — | |
| 207RE0101X | Endocrinology, Diabetes & Metabolism Physician Endocrinology, Diabetes & Metabolism | — | CA | |
| 207RG0100X | Gastroenterology Physician Gastroenterology | — | — | |
| 207RG0300X | Geriatric Medicine (Internal Medicine) Physician Geriatric Medicine | — | — | |
| 207RP1001X | Pulmonary Disease Physician Pulmonary Disease | — | — | |
| 207RR0500X | Rheumatology Physician Rheumatology | — | — | |
| 207X00000X | Orthopaedic Surgery Physician | — | — | |
| 2084N0400X | Neurology Physician Neurology | — | — | |
| 208D00000X | General Practice Physician | — | — | primary |
| 251X00000X | Supports Brokerage Agency | — | — |
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-2 identifies an organization — a clinic, hospital, group practice, laboratory, or supplier. Individual clinicians working there hold their own NPI-1 numbers separately, so a bill may reference both.
| NPI | 1437111028 valid check digit |
|---|---|
| Entity type | Organization (NPI-2) |
| Enumeration date | Apr 6, 2006 |
| Last updated | Oct 18, 2026 |
| Status | Active |
| Practice address |
1866 N ORANGE GROVE AVE 202 201 102 & 104 Pomona, CA 91767 (909) 623-8796 |
| Mailing address |
840 TOWNE CENTER DR Pomona, CA 91767 |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 4 | 3 | 7 | 1 | 1 | 1 | 0 | 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 4 | 6 | 7 | 2 | 1 | 2 | 0 | 4 |
Sum = 52 · next multiple of 10 = 60 · check digit = 8 · actual last digit = 8
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.