Quick answers
- Which hospitals does Steven Lum work at?
- Medicare's official clinician data lists Steven Lum at 3 hospitals: AHMC Anaheim Regional Medical Center, Parkview Community Hospital Medical Center and Whittier Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Steven Lum see patients?
- Medicare's clinician data lists 3 practice locations, including Anaheim, CA, Riverside, CA and Whittier, CA. Call before your visit to confirm the address.
- What is Steven Lum's specialty?
- Medicare lists Pathology as the primary specialty.
- Does Steven Lum accept Medicare assignment?
- Yes. Medicare's clinician data says Steven Lum 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 Steven Lum?
- (714) 774-1450, as listed in official Medicare / NPI Registry data.
- What is Steven Lum's NPI number?
- 1932305190. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Steven Lum works
Medicare's Facility Affiliation Data lists Steven Lum at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AHMC Anaheim Regional Medical CenterAnaheim, CA · Acute Care Hospital · CCN 050226
- Parkview Community Hospital Medical CenterRiverside, CA · Acute Care Hospital · CCN 050102
- Whittier Hospital Medical CenterWhittier, CA · Acute Care Hospital · CCN 050735
Practice locations
Addresses where Steven Lum is enrolled with Medicare (CMS data updated 2026-10-02).
- 1111 W La Palma AveAnaheim, CA 92801 (714) 774‑1450
- 3865 Jackson StRiverside, CA 92503 (951) 688‑2211
- 9080 Colima RdWhittier, CA 90605 (714) 774‑1450
Group practices
Medicare enrollment lists Steven Lum as a member of this group (CMS data updated 2026-10-02).
- Pathology Associates of Anaheim a Professional Medical Corporation4 clinicians in the group
Specialties
- Pathologyprimary
Other pathologists in Anaheim
Clinicians with the same Medicare primary specialty in Anaheim, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Hawaii John A. Burns School Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932305190 |
| 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