Registry data as of Aug 27, 2026

Eugene Ahn, M.D.

Family Medicine Physician · Glendale, CA

Eugene Ahn, M.D. is a family medicine physician with a practice address in Glendale, California, and NPI 1881863280, issued on Feb 29, 2008. Check the license (California A99302, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1881863280
Name
Eugene Ahn
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A99302 CA
Self-reported in NPPES; status is on the state search
Practice location
1509 Wilson Ter, Glendale, CA 91206
Phone
(818) 795-2460
Enumerated
Feb 29, 2008
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 1509 Wilson Ter

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

  1. Mayra Acevedo, LCSWClinical Social Worker1851973648
  2. Maria AgazaryanPharmacist1295445781
  3. Bersabeh Aghajanian, PHARMDPharmacist1619502663
  4. Armin Aghazarian, DOStudent in an Organized Health Care Education/Training Program1891549408
  5. Fatmah Alabbad, DOStudent in an Organized Health Care Education/Training Program1740074236
  6. Martin Alvarado, PT, DPTGeriatric Physical Therapist1528684073

Verify Eugene Ahn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A99302
    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.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

77% fewer Medicare Part D claims than the average family medicine physician in 2024

795 Medicare Part D claims for 328 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. 106 claims were for opioids.

  1. Eugene Ahn795
  2. Specialty average3,519

Most prescribed

  1. Hydrocodone-Acetaminophen75 claims
  2. Amoxicillin-Clavulanate Potass51 claims
  3. Atorvastatin Calcium42 claims
  4. Clopidogrel41 claims
  5. Pantoprazole Sodium32 claims
  6. Eliquis26 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.

Industry payments in 2024: $237.71

2 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Eugene Ahn$237.71
  2. Specialty average$861.30

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

140 family medicine physician records list a Glendale practice address

They are 140 of the 4,742 NPPES records with a Glendale practice address, and 16,272 family medicine physician records in California.

Other family medicine physician records in California

  1. Omer Aba-Omer, MDSanta Monica, CA1649702093
  2. Michelle Ababa, MDWilmington, CA1710922513
  3. Anna Tzeitel Abalos, MDRoseville, CA1720200017
  4. Adan Abarca, MDAnaheim, CA1760553689
  5. Vanessa Abarca, DOVentura, CA1952040859
  6. Lorraine Abate, M.D.Sacramento, CA1104840008
  7. Robert Abatecola, MDCastro Valley, CA1669551719
  8. Romeo Abaya, M.D.Cottonwood, CA1598053506
  9. Effiem Abbah, MD, MPHSan Francisco, CA1821185133
  10. Khuzeman Abbasi, MDSanta Rosa, CA1841979952

Common questions

What is Eugene Ahn, M.D.'s NPI number?

Eugene Ahn, M.D.'s National Provider Identifier (NPI) is 1881863280, issued on Feb 29, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Eugene Ahn, M.D. located?

The NPPES record lists a practice address at 1509 Wilson Ter, Glendale, CA, 91206. Phone: (818) 795-2460. Providers update this record themselves, so call before visiting.

How can I verify Eugene Ahn, M.D.'s license?

NPPES lists California license number A99302, 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 Eugene Ahn, M.D. prescribe under Medicare Part D?

In 2024, Eugene Ahn, M.D. had 795 Medicare Part D claims for 328 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.