Quick answers
- Which hospitals does Gordon K. Chang work at?
- Medicare's official clinician data lists Gordon K. Chang at 5 hospitals: AHMC Seton Medical Center, Marinhealth Medical Center, Novato Community Hospital, Sonoma Valley Hospital and UCSF Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gordon K. Chang see patients?
- Medicare's clinician data lists 2 practice locations, including Daly City, CA and Greenbrae, CA. Call before your visit to confirm the address.
- What is Gordon K. Chang's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Gordon K. Chang accept Medicare assignment?
- Yes. Medicare's clinician data says Gordon K. Chang 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 Gordon K. Chang?
- (415) 237-3185, as listed in official Medicare / NPI Registry data.
- What is Gordon K. Chang's NPI number?
- 1477563047. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gordon K. Chang works
Medicare's Facility Affiliation Data lists Gordon K. Chang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AHMC Seton Medical CenterDaly City, CA · Acute Care Hospital · CCN 050289
- Marinhealth Medical CenterGreenbrae, CA · Acute Care Hospital · CCN 050360
- Novato Community HospitalNovato, CA · Acute Care Hospital · CCN 050131
- Sonoma Valley HospitalSonoma, CA · Acute Care Hospital · CCN 050090
- UCSF Medical CenterSan Francisco, CA · Acute Care Hospital · CCN 050454
Practice locations
Addresses where Gordon K. Chang is enrolled with Medicare (CMS data updated 2026-10-02).
- 1900 Sullivan AveDaly City, CA 94015 (415) 237‑3185
- 250 Bon Air RdGreenbrae, CA 94904 (415) 925‑7000
Group practices
Medicare enrollment lists Gordon K. Chang as a member of these groups (CMS data updated 2026-10-02).
- Galen Inpatient Physicians PC1,077 clinicians in the group
- Clarkian Hospitalist Corporation10 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Daly City
Clinicians with the same Medicare primary specialty in Daly City, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1970 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1477563047 |
| 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