Quick answers
- Which hospitals does William M. Liu work at?
- Medicare's official clinician data lists William M. Liu at 3 hospitals: Providence Little Co of Mary Medical Center San Pedro, Providence Little Company of Mary Medical Center Torrance and Torrance Memorial Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William M. Liu see patients?
- Medicare's clinician data lists 2 practice locations, including Carson, CA and Redondo Beach, CA. Call before your visit to confirm the address.
- What is William M. Liu's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Rheumatology.
- Does William M. Liu accept Medicare assignment?
- Yes. Medicare's clinician data says William M. 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.
- Does William M. Liu offer telehealth?
- Medicare's clinician data says William M. Liu offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William M. Liu?
- (310) 835-6627, as listed in official Medicare / NPI Registry data.
- What is William M. Liu's NPI number?
- 1013022722. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William M. Liu works
Medicare's Facility Affiliation Data lists William M. Liu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Little Co of Mary Medical Center San PedroSan Pedro, CA · Acute Care Hospital · CCN 050078
- Providence Little Company of Mary Medical Center TorranceTorrance, CA · Acute Care Hospital · CCN 050353
- Torrance Memorial Medical CenterTorrance, CA · Acute Care Hospital · CCN 050351
Practice locations
Addresses where William M. Liu is enrolled with Medicare (CMS data updated 2026-10-02).
- 21501 Avalon Blvd, Suite 100Carson, CA 90745 (310) 835‑6627
- 520 N Prospect AveRedondo Beach, CA 90277
Group practices
Medicare enrollment lists William M. Liu as a member of this group (CMS data updated 2026-10-02).
- Providence Medical Institute288 clinicians in the group
Specialties
- Internal Medicineprimary
- Rheumatologyalso
Other internal medicine doctors in Carson
Clinicians with the same Medicare primary specialty in Carson, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 1979 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1013022722 |
| 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