Quick answers
- Which hospitals does Elson Lai work at?
- Medicare's official clinician data lists Elson Lai at 1 hospital: USC Arcadia Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Elson Lai see patients?
- Medicare's clinician data lists 1 practice location in Rosemead, CA. Call before your visit to confirm the address.
- What is Elson Lai's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Elson Lai accept Medicare assignment?
- Yes. Medicare's clinician data says Elson Lai 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 Elson Lai?
- (626) 921-2889, as listed in official Medicare / NPI Registry data.
- What is Elson Lai's NPI number?
- 1750549192. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Elson Lai works
Medicare's Facility Affiliation Data lists Elson Lai at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- USC Arcadia HospitalArcadia, CA · Acute Care Hospital · CCN 050238
Practice locations
Addresses where Elson Lai is enrolled with Medicare (CMS data updated 2026-10-02).
- 9428 Valley Blvd, Suite 201Rosemead, CA 91770 (626) 921‑2889
Group practices
Medicare enrollment lists Elson Lai as a member of this group (CMS data updated 2026-10-02).
- Elson Lai MD a Professional Corporation2 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 |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1750549192 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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