Quick answers
- Which hospitals does Samuel Liu work at?
- Medicare's official clinician data lists Samuel Liu at 3 hospitals: PIH Health Downey Hospital, PIH Health Hospital-Whittier and Pomona Valley Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Samuel Liu see patients?
- Medicare's clinician data lists 2 practice locations, including Norwalk, CA and Pomona, CA. Call before your visit to confirm the address.
- What is Samuel Liu's specialty?
- Medicare lists Nephrology as the primary specialty.
- Does Samuel Liu accept Medicare assignment?
- Yes. Medicare's clinician data says Samuel Liu 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 Samuel Liu?
- (916) 651-8811, as listed in official Medicare / NPI Registry data.
- What is Samuel Liu's NPI number?
- 1912935628. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Samuel Liu works
Medicare's Facility Affiliation Data lists Samuel Liu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- PIH Health Downey HospitalDowney, CA · Acute Care Hospital · CCN 050393
- PIH Health Hospital-WhittierWhittier, CA · Acute Care Hospital · CCN 050169
- Pomona Valley Hospital Medical CenterPomona, CA · Acute Care Hospital · CCN 050231
Practice locations
Addresses where Samuel Liu is enrolled with Medicare (CMS data updated 2026-10-02).
- 11401 Bloomfield AveNorwalk, CA 90650 (916) 651‑8811
- 210 W Bonita Ave, Suite 140Pomona, CA 91767 (951) 231‑6052
Group practices
Medicare enrollment lists Samuel Liu as a member of this group (CMS data updated 2026-10-02).
- Department of State Hospitals270 clinicians in the group
Specialties
- Nephrologyprimary
Other nephrologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912935628 |
| 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