Chaparral Medical Group
Chaparral Medical Group holds 48 active organization NPIs in the federal registry, with practice locations in 12 California cities. Each location can bill under its own NPI.
Search the organization with your city to find the NPI for the location you visit or bill.
Find a location's NPIPomona has the most NPIs, 18
Source: CMS NPPES monthly file of Aug 9, 2026, organization NPIs by practice city.
Most NPIs were issued in 2006 and 2022
Source: CMS NPPES, enumeration dates.
11 NPIs were issued in 2006 alone, more than in any other year; none in 6 of the years between.
Pomona locations
The city with the most Chaparral Medical Group NPIs. The full list of all 48 follows.
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1114989241 | 1904 N ORANGE GROVE AVE CHAPARRAL MEDICAL GROUP, Pomona | Endocrinology, Diabetes & Metabolism Physician | Apr 4, 2006 |
| 1386606259 | 160 E ARTESIA ST SUITE # 220, Pomona | Neurological Surgery Physician | Apr 5, 2006 |
| 1528020112 | 790 EAST BONITA AVE CHAPARRAL MEDICAL GROUP, Pomona | Family Medicine Physician | Apr 6, 2006 |
| 1437111028 | 1866 N ORANGE GROVE AVE 202 201 102 & 104, Pomona | Internal Medicine Physician | Apr 6, 2006 |
| 1477733624 | 160 E ARTESIA ST SUITE 360, Pomona | Orthopaedic Surgery Physician | Nov 5, 2007 |
| 1174772081 | 160 E ARTESIA ST SUITE 310, Pomona | Internal Medicine Physician | Sep 16, 2008 |
| 1982855938 | 160 E ARTESIA ST SUITE 310, Pomona | Internal Medicine Physician | Oct 8, 2008 |
| 1902111024 | 1818 N ORANGE GROVE AVE SUITE 204, Pomona | Internal Medicine Physician | Aug 12, 2010 |
All 48 locations, by city
| NPI | Location | Primary taxonomy | Issued |
|---|---|---|---|
| 1720785926 | 4200 TRUXTUN AVE STE 101, Bakersfield | General Practice Physician | Feb 8, 2023 |
| 1821554866 | 5475 WALNUT AVE UNIT C, Chino | Cardiovascular Disease Physician | Feb 14, 2019 |
| 1851453757 | 2140 GRAND AVENUE SUITE #210, Chino Hills | Cardiovascular Disease Physician | Dec 15, 2006 |
| 1750634325 | 3110 CHINO AVENUE SUITE 270, Chino Hills | Dermatology Physician | Oct 19, 2012 |
| 1962464529 | 430 WEST BASELINE RD, Claremont | Family Medicine Physician | Apr 6, 2006 |
| 1376506956 | 138 HARVARD AVE CHAPARRAL MEDICAL GROUP, Claremont | Endocrinology, Diabetes & Metabolism Physician | Apr 6, 2006 |
| 1467102491 | 138 HARVARD AVE, Claremont | Endocrinology, Diabetes & Metabolism Physician | Mar 24, 2022 |
| 1487395588 | 138 HARVARD AVE, Claremont | Nephrology Physician | Apr 5, 2022 |
| 1942942297 | 138 HARVARD AVE, Claremont | Nephrology Physician | Apr 8, 2022 |
| 1699418038 | 138 HARVARD AVE, Claremont | Nephrology Physician | Apr 14, 2022 |
| 1447317938 | 16465 SIERRA LAKES PARKWAY SUITE 250 CHAPARRAL MEDICAL GROUP INC, Fontana | Internal Medicine Physician | Jan 3, 2007 |
| 1841144094 | 1200 VENICE BLVD STE 200, Los Angeles | General Practice Physician | Feb 24, 2026 |
| 1114989241 | 1904 N ORANGE GROVE AVE CHAPARRAL MEDICAL GROUP, Pomona | Endocrinology, Diabetes & Metabolism Physician | Apr 4, 2006 |
| 1386606259 | 160 E ARTESIA ST SUITE # 220, Pomona | Neurological Surgery Physician | Apr 5, 2006 |
| 1528020112 | 790 EAST BONITA AVE CHAPARRAL MEDICAL GROUP, Pomona | Family Medicine Physician | Apr 6, 2006 |
| 1437111028 | 1866 N ORANGE GROVE AVE 202 201 102 & 104, Pomona | Internal Medicine Physician | Apr 6, 2006 |
| 1477733624 | 160 E ARTESIA ST SUITE 360, Pomona | Orthopaedic Surgery Physician | Nov 5, 2007 |
| 1174772081 | 160 E ARTESIA ST SUITE 310, Pomona | Internal Medicine Physician | Sep 16, 2008 |
| 1982855938 | 160 E ARTESIA ST SUITE 310, Pomona | Internal Medicine Physician | Oct 8, 2008 |
| 1902111024 | 1818 N ORANGE GROVE AVE SUITE 204, Pomona | Internal Medicine Physician | Aug 12, 2010 |
| 1629383740 | 1818 N ORANGE GROVE AVE SUITE 302, Pomona | Ophthalmology Physician | Aug 12, 2010 |
| 1053650994 | 1900 ROYALTY DR SUITE # 205, Pomona | Gastroenterology Physician | Feb 13, 2013 |
| 1346678570 | 1910 ROYALTY DR, Pomona | Hematology & Oncology Physician | Oct 25, 2013 |
| 1609292051 | 1940 N ORANGE GROVE AVE STE A&B, Pomona | Pulmonary Disease Physician | Mar 10, 2014 |
| 1952700296 | 1196 N PARK AVE, Pomona | Family Medicine Physician | Aug 21, 2014 |
| 1134508955 | 297 W ARTESIA ST SUITE A, Pomona | Otolaryngology Physician | May 26, 2015 |
| 1598122418 | 520 E. FOOTHILL BLVD. SUITES C & A, Pomona | Urgent Care Clinic/Center | Jan 22, 2016 |
| 1235695289 | 1880 N ORANGE GROVE AVE, Pomona | Internal Medicine Physician | Feb 14, 2019 |
| 1780260810 | 550 INDIAN HILL BLVD., Pomona | Multi-Specialty Clinic/Center | Mar 19, 2021 |
| 1073243655 | 520 E FOOTHILL BLVD STE A, Pomona | Physician Assistant | Jun 15, 2022 |
| 1093777666 | 9190 HAVEN AVENUE STE. 101, 102, 210, 200, Rancho Cucamonga | Dermatology Physician | Apr 6, 2006 |
| 1376940221 | 9170 HAVEN AVE SUITE 120, Rancho Cucamonga | Endocrinology, Diabetes & Metabolism Physician | Nov 20, 2014 |
| 1346639952 | 8330 RED OAK ST STE 101, Rancho Cucamonga | Cardiovascular Disease Physician | Jan 20, 2015 |
| 1942892302 | 9616 ARCHIBALD AVE, Rancho Cucamonga | Multi-Specialty Clinic/Center | Feb 8, 2021 |
| 1508583089 | 9170 HAVEN AVE STE 120, Rancho Cucamonga | Endocrinology, Diabetes & Metabolism Physician | Oct 25, 2022 |
| 1114627510 | 9190 HAVEN AVE FL 1, Rancho Cucamonga | Rheumatology Physician | Mar 6, 2023 |
| 1396432571 | 9140 HAVEN AVE STE 112, Rancho Cucamonga | Geriatric Medicine (Internal Medicine) Physician | Apr 19, 2023 |
| 1194993055 | 401 E HIGHLAND AVE SUITE 553, San Bernardino | Neurological Surgery Physician | Feb 13, 2008 |
| 1316891567 | 832 FOLSOM ST STE 700, San Francisco | General Practice Physician | Feb 24, 2026 |
| 1205898335 | 585 NORTH MOUNTAIN AVE SUITE A, Upland | Dermatology Physician | Apr 4, 2006 |
| 1386607950 | 630 NORTH 13TH AVE SUITE B, Upland | Neurology Physician | Apr 6, 2006 |
| 1144282732 | 1330 EAST SAN BERNARDINO RD STE L, Upland | Rheumatology Physician | Apr 6, 2006 |
| 1558689794 | 585 N MOUNTAIN AVE SUITE C, Upland | Dermatology Physician | May 12, 2010 |
| 1831442078 | 591 N 13TH AVE SUITE 3, Upland | Cardiovascular Disease Physician | Oct 25, 2012 |
| 1467903039 | 685 N 13TH AVE SUITE 11, Upland | Clinical Cardiac Electrophysiology Physician | Oct 19, 2016 |
| 1780146019 | 811 E. 11TH STREET #208 & #207, Upland | Gastroenterology Physician | Apr 4, 2019 |
| 1639869605 | 914 W FOOTHILL BLVD STE A, Upland | Cardiovascular Disease Physician | May 11, 2023 |
| 1619252939 | 12291 WASHINGTON BLVD SUITE 203, Whittier | Neurological Surgery Physician | Oct 18, 2011 |
Checking an organization
- Match the NPI to the exact location you will visit or bill; each location can have its own.
- Confirm the business entity with the secretary of state.
- Check the HHS-OIG exclusion list for the organization and its owners.
- Verify each clinician you will see on their own record and with the state license search.
Common questions
Why does Chaparral Medical Group have 48 NPIs?
An organization may obtain more than one Type 2 NPI, for example for separate locations or units that bill on their own. Chaparral Medical Group's NPIs list practice locations in 12 cities.
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.