NPPES file of Aug 9, 2026

Eugene Chen, MD

Pediatrics Physician · Costa Mesa, CA

Eugene Chen, MD is a pediatrics physician with a practice address in Costa Mesa, California, and NPI 1417933243, issued on Dec 22, 2005. Check the license (California A75342, 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
1417933243
Name
Eugene Chen
Credential
MD
Primary taxonomy
Pediatrics Physician 208000000X
License number
A75342 CA
Self-reported in NPPES; status is on the state search
Practice location
1640 Newport Blvd Ste 340, Costa Mesa, CA 92627
Phone
(949) 645-4670
Enumerated
Dec 22, 2005
Record last updated
Jul 13, 2026
Fax
(949) 722-6866
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 1640 Newport Blvd Ste 340

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

  1. Hilda Mendoza, M.D.Pediatrics Physician1043203805

Verify Eugene 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 A75342
    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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Industry payments in 2024: $128.50

7 payments; by number, the most common kind was food and beverage; the largest payer was Cranial Technologies, Inc. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Eugene Chen$128.50
  2. Specialty average$842.05

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Eugene Chen among 9,272 pediatrics physician records in California

Eugene Chen, MD is one of 9,272 pediatrics physician records with a practice address in California. 31% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 96% newer
  • In a Medicare fileYes · 31% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2026 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatrics Physician providers in California

There are 9,272 pediatrics physician records in California.

The 8 pediatrics physician records with the nearest ZIP codes

  1. Iman Bar, MDCosta Mesa, CA 926271326127804
  2. Swati Gandhi, MDCosta Mesa, CA 926271437152998
  3. Malinda Lin, MDCosta Mesa, CA 926271295055457
  4. Hilda Mendoza, M.D.Costa Mesa, CA 926271043203805
  5. Jennifer Orosco, M.D.Costa Mesa, CA 926271578823217
  6. Anh Rebhan, DOCosta Mesa, CA 926271720643729
  7. Kristoffer Roxas, MDCosta Mesa, CA 926271811553811
  8. Valerie Sheppard, M.D.Costa Mesa, CA 926271750524237

Common questions

What is Eugene Chen, MD's NPI number?

Eugene Chen, MD's National Provider Identifier (NPI) is 1417933243, issued on Dec 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Eugene Chen, MD located?

The NPPES record lists a practice address at 1640 Newport Blvd Ste 340, Costa Mesa, CA, 92627. Phone: (949) 645-4670. Providers update this record themselves, so call before visiting.

How can I verify Eugene Chen, MD's license?

NPPES lists California license number A75342, 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.

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.