Quick answers
- Which hospitals does Christopher Sun work at?
- Medicare's official clinician data lists Christopher Sun at 3 hospitals: Providence Little Co of Mary Med Ctr San Pedro, Providence Little Company of Mary Med Ctr Torrance and Torrance Memorial Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Christopher Sun see patients?
- Medicare's clinician data lists 1 practice location in Redondo Beach, CA. Call before your visit to confirm the address.
- What is Christopher Sun's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Christopher Sun accept Medicare assignment?
- Yes. Medicare's clinician data says Christopher Sun 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 Christopher Sun offer telehealth?
- Medicare's clinician data says Christopher Sun offers telehealth services. Ask the office which visits can be done by video or phone.
- What is Christopher Sun's NPI number?
- 1245407105. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Christopher Sun works
Medicare's Facility Affiliation Data lists Christopher Sun 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 Med Ctr San PedroSan Pedro, CA · Acute Care Hospital · CCN 050078
- Providence Little Company of Mary Med Ctr TorranceTorrance, CA · Acute Care Hospital · CCN 050353
- Torrance Memorial Medical CenterTorrance, CA · Acute Care Hospital · CCN 050351
Practice locations
Addresses where Christopher Sun is enrolled with Medicare (CMS data updated 2026-10-02).
- 520 N Prospect AveRedondo Beach, CA 90277
Group practices
Medicare enrollment lists Christopher Sun as a member of this group (CMS data updated 2026-10-02).
- Providence Medical Institute288 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Redondo Beach
Clinicians with the same Medicare primary specialty in Redondo Beach, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1245407105 |
| 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