NPPES file of Aug 9, 2026

Ying Chang Chen, M.D.

Obstetrics & Gynecology Physician · Escondido, CA

Ying Chang Chen, M.D. is an obstetrics & gynecology physician with a practice address in Escondido, California, and NPI 1801999701, issued on Sep 6, 2006. Check the license (California A32342, as entered in NPPES) on the Medical Board of California; 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
1801999701
Name
Ying Chang Chen
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A32342 CA
Self-reported in NPPES; status is on the state search
Practice location
735 E Ohio Ave, Escondido, CA 92025
Phone
(760) 489-0044
Enumerated
Sep 6, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(760) 489-0350
Medicaid ID
00A323420 CA
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 735 E Ohio Ave

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

  1. Haritha Chelimilla, M.D.Gastroenterology Physician1528235892
  2. Karen Edwards, D.D.S.General Practice Dentistry1164445599

Verify Ying Chang 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 A32342
    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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Ying Chang Chen among 5,088 obstetrics & gynecology physician records in California

Ying Chang Chen, M.D. is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileNo · 74% of these records are
  • In the CMS Doctors and Clinicians fileNo · 53% of these records are
  • Record last updated2007 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Duane BuringrudEscondido, CA 920251215971999
  2. Elizabeth Cao, M.D.Escondido, CA 920251467762161
  3. Branislav Cizmar, MDEscondido, CA 920251679554372
  4. Erika De Dios, PAEscondido, CA 920251780246256
  5. Gabriela Dilauro, MDEscondido, CA 920251326189275
  6. Shannon Hart, D.O.Escondido, CA 920251740255983
  7. Michael Hoffman, DOEscondido, CA 920251720047707
  8. Gregory Langford, M.D.Escondido, CA 920251033221445

Common questions

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

Ying Chang Chen, M.D.'s National Provider Identifier (NPI) is 1801999701, issued on Sep 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ying Chang Chen, M.D. located?

The NPPES record lists a practice address at 735 E Ohio Ave, Escondido, CA, 92025. Phone: (760) 489-0044. Providers update this record themselves, so call before visiting.

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

NPPES lists California license number A32342, 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. 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.