NPPES file of Aug 9, 2026

Eric M W Chen, M.D.

Family Medicine Physician · Fontana, CA

Eric M W Chen, M.D. is a family medicine physician with a practice address in Fontana, California, and NPI 1871697250, issued on Sep 7, 2006. Check the license (California A36192, 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
1871697250
Name
Eric M W Chen
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A36192 CA
Self-reported in NPPES; status is on the state search
Practice location
14050 Cherry Ave, Fontana, CA 92337
Phone
(909) 823-5220
Enumerated
Sep 7, 2006
Record last updated
Aug 6, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(909) 823-7650
Medicare enrollment
Enrolled (PECOS I20120320000910); accepts Medicare assignment
Medical or professional school
National Medical University, 1974
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 14050 Cherry Ave

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

  1. Howard Glassman, D.D.S.General Practice Dentistry1407051295

Verify Eric M W Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A36192
    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

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30% fewer Medicare Part D claims than the average family medicine physician in 2024

2,492 Medicare Part D claims for 202 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 35 claims were for opioids.

  1. Eric Chen2,492
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium265 claims
  2. Metformin Hcl131 claims
  3. Amlodipine Besylate128 claims
  4. Lisinopril-Hydrochlorothiazide108 claims
  5. Losartan Potassium101 claims
  6. Diclofenac Sodium96 claims

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.

Eric M W Chen among 17,133 family medicine physician records in California

Eric M W Chen, M.D. 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1974 · median 2005 among the 10,652 with a school on file
  • Record last updated2016 · 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).

198 family medicine physician records list a practice address in Fontana

They are 198 of the 3,012 NPPES records with a practice address in Fontana, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Wasil Aqil, D.OFontana, CA 923371659535318
  2. Jagdeep Mehrok, M.DFontana, CA 923371760558332
  3. Juan Oliva, MDFontana, CA 923371023133527
  4. John Terando, MDFontana, CA 923371346291598
  5. Raghad Al-AubidFontana, CA 923361184363012
  6. Jose Arciniega, D.O.Fontana, CA 923361265642052
  7. Emmanuel Baidoo, D.O.Fontana, CA 923361831319516
  8. Hannah Chan, MDFontana, CA 923361093465791

Common questions

What is Eric M W Chen, M.D.'s NPI number?

Eric M W Chen, M.D.'s National Provider Identifier (NPI) is 1871697250, issued on Sep 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Eric M W Chen, M.D. located?

The NPPES record lists a practice address at 14050 Cherry Ave, Fontana, CA, 92337. Phone: (909) 823-5220. Providers update this record themselves, so call before visiting.

How can I verify Eric M W Chen, M.D.'s license?

NPPES lists California license number A36192, 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 Eric M W Chen, M.D. prescribe under Medicare Part D?

In 2024, Eric M W Chen, M.D. had 2,492 Medicare Part D claims for 202 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.