Quick answers
- Where does Luke L. Lin see patients?
- Medicare's clinician data lists 2 practice locations, including El Cajon, CA and Irvine, CA. Call before your visit to confirm the address.
- What is Luke L. Lin's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Luke L. Lin accept Medicare assignment?
- Yes. Medicare's clinician data says Luke L. Lin 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 Luke L. Lin?
- (619) 447-8494, as listed in official Medicare / NPI Registry data.
- What is Luke L. Lin's NPI number?
- 1639862501. 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 Luke L. Lin is enrolled with Medicare (CMS data updated 2026-10-02).
- 539 Pkwy PlzEl Cajon, CA 92020 (619) 447‑8494
- 8519 Irvine Ctr DrIrvine, CA 92618 (949) 585‑9403
Group practices
Medicare enrollment lists Luke L. Lin as a member of this group (CMS data updated 2026-10-02).
- Kuei-Yu Chang Od Inc a Professional Corporation3 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in El Cajon
Clinicians with the same Medicare primary specialty in El Cajon, CA — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639862501 |
| 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