Quick answers
- Which hospitals does Alexander Lam work at?
- Medicare's official clinician data lists Alexander Lam at 1 hospital: Pomona Valley Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alexander Lam see patients?
- Medicare's clinician data lists 1 practice location in Pomona, CA. Call before your visit to confirm the address.
- What is Alexander Lam's specialty?
- Medicare lists Vascular Surgery as the primary specialty.
- Does Alexander Lam accept Medicare assignment?
- Yes. Medicare's clinician data says Alexander Lam 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 Alexander Lam?
- (909) 973-1148, as listed in official Medicare / NPI Registry data.
- What is Alexander Lam's NPI number?
- 1205497104. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alexander Lam works
Medicare's Facility Affiliation Data lists Alexander Lam at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Pomona Valley Hospital Medical CenterPomona, CA · Acute Care Hospital · CCN 050231
Practice locations
Addresses where Alexander Lam is enrolled with Medicare (CMS data updated 2026-10-02).
- 1818 N Orange Grove AvePomona, CA 91767 (909) 973‑1148
Group practices
Medicare enrollment lists Alexander Lam as a member of this group (CMS data updated 2026-10-02).
- Jerry Kim MD Inc4 clinicians in the group
Specialties
- Vascular Surgeryprimary
Other vascular surgeons in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Francisco School Of Medicine |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1205497104 |
| 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