NPPES file of Aug 9, 2026

Caroline Chen-Rogers, DO

Family Medicine Physician · Upland, CA

Caroline Chen-Rogers, DO is a family medicine physician with a practice address in Upland, California, and NPI 1437656766, issued on Apr 12, 2018. Check the license (California 20A18050, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437656766
Name
Caroline Chen-Rogers
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A18050 CA
Self-reported in NPPES; status is on the state search
Practice location
141 W Foothill Blvd, Upland, CA 91786
Phone
(909) 296-8800
Enumerated
Apr 12, 2018
Record last updated
Sep 30, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 141 W Foothill Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ashley Anders, FNP-CFamily Nurse Practitioner1346823523
  2. Johnny Choi, M.D.Internal Medicine Physician1376640714
  3. Theresa Davis-Bates, FNPNurse Practitioner1104367135
  4. Kimberly Fung, FNP-BCPrimary Care Nurse Practitioner1780225391
  5. Cristina Perez, MSN, RN, FNPFamily Nurse Practitioner1861859084
  6. Terence Rhone, D.O.Pulmonary Disease Physician1932153582

Verify Caroline Chen-Rogers in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A18050
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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99% fewer Medicare Part D claims than the average family medicine physician in 2024

23 Medicare Part D claims for 13 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Caroline Chen-Rogers23
  2. Specialty average3,544

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Caroline Chen-Rogers among 17,133 family medicine physician records in California

Caroline Chen-Rogers, DO is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 82% of them.

  • NPI issued2018 · 82% of these records are older, 15% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

38 family medicine physician records list a practice address in Upland

They are 38 of the 1,846 NPPES records with a practice address in Upland, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Richard Armour, D.OUpland, CA 917861366488215
  2. Louis Brenner, M.D.Upland, CA 917861003852815
  3. Bryan Chan, MDUpland, CA 917861417059957
  4. Louis Dibernardo, MDUpland, CA 917861528045358
  5. Warren Regh Gabrillo, M.D.Upland, CA 917861982689295
  6. Dwight Guan, MDUpland, CA 917861184644676
  7. Rick Hirsch, D.O.Upland, CA 917861497774954
  8. James Ho, MDUpland, CA 917861669440988

Common questions

What is Caroline Chen-Rogers, DO's NPI number?

Caroline Chen-Rogers, DO's National Provider Identifier (NPI) is 1437656766, issued on Apr 12, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Caroline Chen-Rogers, DO located?

The NPPES record lists a practice address at 141 W Foothill Blvd, Upland, CA, 91786. Phone: (909) 296-8800. Providers update this record themselves, so call before visiting.

How can I verify Caroline Chen-Rogers, DO's license?

NPPES lists California license number 20A18050, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Caroline Chen-Rogers, DO prescribe under Medicare Part D?

In 2024, Caroline Chen-Rogers, DO had 23 Medicare Part D claims for 13 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.