Quick answers
- Where does Eugene Y. Chang see patients?
- Medicare's clinician data lists 5 practice locations, including Artesia, CA, Pasadena, CA and Los Angeles, CA. Call before your visit to confirm the address.
- What is Eugene Y. Chang's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Eugene Y. Chang accept Medicare assignment?
- Yes. Medicare's clinician data says Eugene Y. Chang 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 Eugene Y. Chang?
- (562) 653-9500, as listed in official Medicare / NPI Registry data.
- What is Eugene Y. Chang's NPI number?
- 1265432991. 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 Eugene Y. Chang is enrolled with Medicare (CMS data updated 2026-10-02).
- 19038 Norwalk BlvdArtesia, CA 90701 (562) 653‑9500
- 2619 E Colorado Blvd, Suite 150Pasadena, CA 91107 (626) 793‑4168
- 266 S Harvard Blvd, Suite 500Los Angeles, CA 90004 (213) 739‑6900
- 5832 Beach Blvd, Unit 109aBuena Park, CA 90621 (714) 228‑1888
- 7677 Ctr Ave, Suite 301Huntington Beach, CA 92647 (714) 901‑2007
Group practices
Medicare enrollment lists Eugene Y. Chang as a member of these groups (CMS data updated 2026-10-02).
- Azul Vision Inc48 clinicians in the group
- California Eye Specialists Medical Group Inc23 clinicians in the group
- Eyecare Medical Corporation6 clinicians in the group
- Bethel Eye Center Medical Corporation5 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tufts University School Of Medicine |
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1265432991 |
| 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