Eugene Ahn, M.D.
NPI 1881863280 · Family Medicine Physician · Glendale, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eugene Ahn, M.D. is a Family Medicine Physician provider in Glendale, CA (NPI 1881863280).
Provider details
- NPI number
- 1881863280
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A99302 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
18 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 75 | 71 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 51 | 49 |
| Atorvastatin Calcium | 42 | 41 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 41 | 38 |
| Pantoprazole Sodium | 32 | 31 |
| Apixabanbrand: Eliquis |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$238 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-02-29
- Last updated
- 2020-08-28
- Certified
- 2020-08-28
Frequently asked questions
- What is Eugene Ahn's NPI number?
- Eugene Ahn's National Provider Identifier (NPI) is 1881863280, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eugene Ahn's specialty?
- Eugene Ahn is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Eugene Ahn located?
- Eugene Ahn's practice location on file with NPPES is 1509 Wilson Ter, Glendale, CA 91206-4007.
- What is Eugene Ahn's phone number?
- The practice phone number listed in the NPPES registry for Eugene Ahn is (818) 795-2460.
- Does Eugene Ahn accept Medicare?
- Eugene Ahn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eugene Ahn's NPI active?
- Yes — Eugene Ahn's NPI (1881863280) is active in the NPPES registry as of the last update on 2020-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.