NPPES file of Aug 9, 2026

Katherine Joo Yeon An, DO

Student in an Organized Health Care Education/Training Program · San Diego, CA

Katherine Joo Yeon An, DO is a student in an organized health care education/training program with a practice address in San Diego, California, and NPI 1083417372, issued on Mar 31, 2025. Check the license 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
1083417372
Name
Katherine Joo Yeon An
Credential
DO
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
4647 Zion Ave Ste 1116, San Diego, CA 92120
Phone
(619) 528-5164
Enumerated
Mar 31, 2025
Record last updated
Mar 31, 2025
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.
Download card Updates feed

Also registered at 4647 Zion Ave Ste 1116

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

  1. Marlene Alfaro, MDStudent in an Organized Health Care Education/Training Program1669059820
  2. Kathryn Anderson, MDEmergency Medicine Physician1730640707
  3. Lindsey Ball, MDEmergency Medicine Physician1770995789
  4. Ashley Barley, MDStudent in an Organized Health Care Education/Training Program1326840547
  5. Lindsay Bucklin, MDStudent in an Organized Health Care Education/Training Program1578365771
  6. Angela ChenStudent in an Organized Health Care Education/Training Program1831940022

Verify Katherine Joo Yeon An in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck 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

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

Is this page about you? You can ask us to correct, restrict or remove it: how.

Katherine Joo Yeon An among 40,652 student in an organized health care education/training program records in California

Katherine Joo Yeon An, DO is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% 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 2025, is newer than 68% of them.

  • NPI issued2025 · 68% of these records are older, 15% newer
  • In a Medicare fileNo · 16% of these records are
  • In the CMS Doctors and Clinicians fileNo · 6% of these records are
  • Record last updated2025 · 26% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2,098 student in an organized health care education/training program records list a practice address in San Diego

They are 2,098 of the 52,937 NPPES records with a practice address in San Diego, and 40,652 student in an organized health care education/training program records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Julie Antonova, M.D.San Diego, CA 921201851786826
  2. Audrey BallanceSan Diego, CA 921201316371404
  3. Tassiana BarrosSan Diego, CA 921201063805877
  4. Jennie ChauSan Diego, CA 921201124496054
  5. Tod Leonard, MFT INTERNSan Diego, CA 921201396040531
  6. Carolyn LoganSan Diego, CA 921201255725610
  7. Elisha NavarroSan Diego, CA 921201598952509
  8. Anna NguyenSan Diego, CA 921201255611364

Common questions

What is Katherine Joo Yeon An, DO's NPI number?

Katherine Joo Yeon An, DO's National Provider Identifier (NPI) is 1083417372, issued on Mar 31, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Joo Yeon An, DO located?

The NPPES record lists a practice address at 4647 Zion Ave Ste 1116, San Diego, CA, 92120. Phone: (619) 528-5164. Providers update this record themselves, so call before visiting.

How can I verify Katherine Joo Yeon An, DO's license?

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.

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.