Quick answers
- Where does Eric S. Ahn see patients?
- Medicare's clinician data lists 1 practice location in Gardena, CA. Call before your visit to confirm the address.
- What is Eric S. Ahn's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Eric S. Ahn accept Medicare assignment?
- Yes. Medicare's clinician data says Eric S. Ahn accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Eric S. Ahn?
- (310) 329-9975, as listed in official Medicare / NPI Registry data.
- What is Eric S. Ahn's NPI number?
- 1841457652. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Eric S. Ahn is enrolled with Medicare (CMS data updated 2026-10-02).
- 879 W 190th St, Suite 100Gardena, CA 90248 (310) 329‑9975
Group practices
Medicare enrollment lists Eric S. Ahn as a member of this group (CMS data updated 2026-10-02).
- East-West Eye Institute a Medical Corporation16 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Gardena
Clinicians with the same Medicare primary specialty in Gardena, CA — not a recommendation.
Clinician information
| Medical school | Albany Medical College Of Union University |
|---|---|
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841457652 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians