Quick answers
- Which hospitals does William C. Chen work at?
- Medicare's official clinician data lists William C. Chen at 5 hospitals: Grossmont Hospital, Palomar Health Downtown Campus, Sharp Chula Vista Medical Center, Sharp Coronado Hospital and HLTHCR Ctr and Sharp Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William C. Chen see patients?
- Medicare's clinician data lists 4 practice locations, including Poway, CA, Chula Vista, CA and San Diego, CA. Call before your visit to confirm the address.
- What is William C. Chen's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does William C. Chen accept Medicare assignment?
- Yes. Medicare's clinician data says William C. Chen 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 William C. Chen?
- (858) 292-7527, as listed in official Medicare / NPI Registry data.
- What is William C. Chen's NPI number?
- 1366837890. 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 C. Chen works
Medicare's Facility Affiliation Data lists William C. Chen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Grossmont HospitalLa Mesa, CA · Acute Care Hospital · CCN 050026
- Palomar Health Downtown CampusEscondido, CA · Acute Care Hospital · CCN 050115
- Sharp Chula Vista Medical CenterChula Vista, CA · Acute Care Hospital · CCN 050222
- Sharp Coronado Hospital and HLTHCR CtrCoronado, CA · Acute Care Hospital · CCN 050234
- Sharp Memorial HospitalSan Diego, CA · Acute Care Hospital · CCN 050100
Practice locations
Addresses where William C. Chen is enrolled with Medicare (CMS data updated 2026-10-02).
- 15611 Pomerado Rd, Suite 500Poway, CA 92064 (858) 292‑7527
- 751 Med Ctr CtChula Vista, CA 91911 (619) 502‑5800
- 7901 Frost StSan Diego, CA 92123 (858) 939‑3400
- 8008 Frost St, Suite 200San Diego, CA 92123 (858) 292‑7527
Group practices
Medicare enrollment lists William C. Chen as a member of these groups (CMS data updated 2026-10-02).
- Emergency and Acute Care Medical Corporation422 clinicians in the group
- San Diego Digestive Disease Consultants Inc a Medical Group13 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Poway
Clinicians with the same Medicare primary specialty in Poway, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Icahn School Of Medicine At Mount Sinai |
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1366837890 |
| 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