Quick answers
- Which hospitals does Caleb G. Hsieh work at?
- Medicare's official clinician data lists Caleb G. Hsieh at 4 hospitals: Providence Little Company of Mary Medical Center Torrance, Ronald Reagan UCLA Medical Center, Santa Monica - UCLA Medical Center & Orthopaedic Hospital and Torrance Memorial Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Caleb G. Hsieh see patients?
- Medicare's clinician data lists 4 practice locations, including Los Angeles, CA, Santa Monica, CA and Torrance, CA. Call before your visit to confirm the address.
- What is Caleb G. Hsieh's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Critical Care (Intensivists), Pulmonary Disease and Sleep Medicine.
- Does Caleb G. Hsieh accept Medicare assignment?
- Yes. Medicare's clinician data says Caleb G. Hsieh 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 Caleb G. Hsieh offer telehealth?
- Medicare's clinician data says Caleb G. Hsieh offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Caleb G. Hsieh?
- (310) 825-7271, as listed in official Medicare / NPI Registry data.
- What is Caleb G. Hsieh's NPI number?
- 1760725550. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Caleb G. Hsieh works
Medicare's Facility Affiliation Data lists Caleb G. Hsieh at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Providence Little Company of Mary Medical Center TorranceTorrance, CA · Acute Care Hospital · CCN 050353
- Ronald Reagan UCLA Medical CenterLos Angeles, CA · Acute Care Hospital · CCN 050262
- Santa Monica - UCLA Medical Center & Orthopaedic HospitalSanta Monica, CA · Acute Care Hospital · CCN 050112
- Torrance Memorial Medical CenterTorrance, CA · Acute Care Hospital · CCN 050351
Practice locations
Addresses where Caleb G. Hsieh is enrolled with Medicare (CMS data updated 2026-10-02).
- 10833 Le Conte AveLos Angeles, CA 90095 (310) 825‑7271
- 2020 Santa Monica Blvd, Suite 210Santa Monica, CA 90404 (310) 458‑2381
- 3701 Skypark Dr, Suite 200Torrance, CA 90505 (310) 378‑8900
- 4101 Torrance BlvdTorrance, CA 90503 (949) 829‑8299
Group practices
Medicare enrollment lists Caleb G. Hsieh as a member of these groups (CMS data updated 2026-10-02).
- The Regents of the University of California1,462 clinicians in the group
- Southbay Critical Care a Medical Partnership12 clinicians in the group
Specialties
- Internal Medicineprimary
- Critical Care (Intensivists)also
- Pulmonary Diseasealso
- Sleep Medicinealso
Other internal medicine doctors in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 2013 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1760725550 |
| 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