NPPES file of Aug 9, 2026

James Chen, M.D.

Specialist · San Gabriel, CA

James Chen, M.D. is a specialist with a practice address in San Gabriel, California, and NPI 1609013440, issued on Jan 15, 2009. Check the license (California C39123, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1609013440
Name
James Chen
Credential
M.D.
Primary taxonomy
Specialist 174400000X
License number
C39123 CA
Self-reported in NPPES; status is on the state search
Practice location
923 S San Gabriel Blvd, San Gabriel, CA 91776
Phone
(626) 286-8700
Enumerated
Jan 15, 2009
Record last updated
Mar 7, 2023
Fax
(626) 286-8650
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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8 nearest specialist records → All 5,749 in California → Look up another NPI →

Also registered at 923 S San Gabriel Blvd

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

  1. Betty Cheung, NURSE PRACTITIONERFamily Medicine Physician1023362605
  2. Sharon Chow, NPNurse Practitioner1245508340
  3. Alvin Chu, DDSGeneral Practice Dentistry1962823906
  4. Susan Jung, MDFamily Medicine Physician1962415588
  5. Wan Ching Law, N.P.Family Nurse Practitioner1033486022
  6. Kuan-Yi LeeGeneral Practice Dentistry1174542203

Verify James Chen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license C39123    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
Find the California license search

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James Chen among 5,749 specialist records in California

James Chen, M.D. is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2009, is newer than 60% of them.

  • NPI issued2009 · 60% of these records are older, 38% newer
  • In a Medicare fileNo · 30% of these records are
  • In the CMS Doctors and Clinicians fileNo · 19% of these records are
  • Record last updated2023 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 specialist records list a practice address in San Gabriel

They are 8 of the 762 NPPES records with a practice address in San Gabriel, and 5,749 specialist records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,749 in California → Every provider in San Gabriel → Specialist nationwide →

The 8 specialist records with the nearest ZIP codes

  1. Robert Ghatan, M.D.San Gabriel, CA 917761144279522
  2. Lorna Kong-Thein, M.D.San Gabriel, CA 917761750650743
  3. Chun Yeh Wang, MD.,PH.D.San Gabriel, CA 917761770728016
  4. Sunny Yeh, M.D.San Gabriel, CA 917761124056429
  5. Chonghao Zhao, M.D., PHD, DABMASan Gabriel, CA 917761902930019
  6. Theodor Serban, RPTSan Gabriel, CA 917751386843282
  7. Shiela WolfordSan Gabriel, CA 917751871962530
  8. Cindy BaldelomarSan Dimas, CA 917731629936034

Common questions

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

James Chen, M.D.'s National Provider Identifier (NPI) is 1609013440, issued on Jan 15, 2009. An NPI identifies a provider in billing; it is not a license.

Where is James Chen, M.D. located?

The NPPES record lists a practice address at 923 S San Gabriel Blvd, San Gabriel, CA, 91776. Phone: (626) 286-8700. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number C39123, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.