Quick answers
- Which hospitals does Derek C. Sun work at?
- Medicare's official clinician data lists Derek C. Sun at 5 hospitals: Adventist Health Ukiah Valley, Marinhealth Medical Center, Providence St Joseph Hospital, UCSF Health St. Mary's Hospital and UCSF Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Derek C. Sun see patients?
- Medicare's clinician data lists 10 practice locations, including San Francisco, CA, Burlingame, CA and Berkeley, CA. Call before your visit to confirm the address.
- What is Derek C. Sun's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Derek C. Sun accept Medicare assignment?
- Yes. Medicare's clinician data says Derek C. 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.
- What is the phone number for Derek C. Sun?
- (415) 476-1000, as listed in official Medicare / NPI Registry data.
- What is Derek C. Sun's NPI number?
- 1174898019. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Derek C. Sun works
Medicare's Facility Affiliation Data lists Derek C. Sun at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Adventist Health Ukiah ValleyUkiah, CA · Acute Care Hospital · CCN 050301
- Marinhealth Medical CenterGreenbrae, CA · Acute Care Hospital · CCN 050360
- Providence St Joseph HospitalEureka, CA · Acute Care Hospital · CCN 050006
- UCSF Health St. Mary's HospitalSan Francisco, CA · Acute Care Hospital · CCN 050457
- UCSF Medical CenterSan Francisco, CA · Acute Care Hospital · CCN 050454
Practice locations
Addresses where Derek C. Sun is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.
- 1600 Divisadero St, McB302San Francisco, CA 94115 (415) 476‑1000
- 1701 Divisadero StSan Francisco, CA 94115 (415) 476‑1000
- 185 Berry StSan Francisco, CA 94107 (415) 476‑1000
- 225 California DrBurlingame, CA 94010 (650) 341‑9131
- 2330 Post StSan Francisco, CA 94115 (415) 476‑4029
Group practices
Medicare enrollment lists Derek C. Sun as a member of these groups (CMS data updated 2026-10-02).
- University of California San Francisco1,839 clinicians in the group
- UCSF Medical Group Business Services1,598 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Albert Einstein College Of Medicine Of Yeshiva University |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1174898019 |
| 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