Quick answers
- Which hospitals does William Eddy work at?
- Medicare's official clinician data lists William Eddy at 2 hospitals: Sutter Lakeside Hospital and Sutter Santa Rosa Regional Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William Eddy see patients?
- Medicare's clinician data lists 2 practice locations, including San Francisco, CA and Lakeport, CA. Call before your visit to confirm the address.
- What is William Eddy's specialty?
- Medicare lists Emergency Medicine as the primary specialty, and also Addiction Medicine.
- Does William Eddy accept Medicare assignment?
- Yes. Medicare's clinician data says William Eddy 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 Eddy?
- (415) 600-6000, as listed in official Medicare / NPI Registry data.
- What is William Eddy's NPI number?
- 1164003315. 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 Eddy works
Medicare's Facility Affiliation Data lists William Eddy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Sutter Lakeside HospitalLakeport, CA · Critical Access Hospital · CCN 051329
- Sutter Santa Rosa Regional HospitalSanta Rosa, CA · Acute Care Hospital · CCN 050291
Practice locations
Addresses where William Eddy is enrolled with Medicare (CMS data updated 2026-10-02).
- 1101 Van Ness AveSan Francisco, CA 94109 (415) 600‑6000
- 5176 Hill Rd ELakeport, CA 95453 (707) 262‑5000
Group practices
Medicare enrollment lists William Eddy as a member of this group (CMS data updated 2026-10-02).
- San Francisco Emergency Medical Associates75 clinicians in the group
Specialties
- Emergency Medicineprimary
- Addiction Medicinealso
Other emergency medicine doctors in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York Medical College |
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164003315 |
| 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