Quick answers
- Which hospitals does William Chen work at?
- Medicare's official clinician data lists William Chen at 2 hospitals: NorthBay Medical Center and San Juan Regional Medical Center Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William Chen see patients?
- Medicare's clinician data lists 5 practice locations, including Farmington, NM, Santa Fe, NM and American Canyon, CA. Call before your visit to confirm the address.
- What is William Chen's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does William Chen accept Medicare assignment?
- Yes. Medicare's clinician data says William 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.
- Does William Chen offer telehealth?
- Medicare's clinician data says William Chen offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for William Chen?
- (505) 327-4796, as listed in official Medicare / NPI Registry data.
- What is William Chen's NPI number?
- 1720575871. 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 Chen works
Medicare's Facility Affiliation Data lists William Chen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- NorthBay Medical CenterFairfield, CA · Acute Care Hospital · CCN 050367
- San Juan Regional Medical Center IncFarmington, NM · Acute Care Hospital · CCN 320005
Practice locations
Addresses where William Chen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1001 W BroadwayFarmington, NM 87401 (505) 327‑4796
- 1001 W Broadway, Suite DFarmington, NM 87401 (505) 327‑4796
- 1422 Paseo De PeraltaSanta Fe, NM 87501 (505) 982‑5565
- 416 Napa Junction Rd, Suite 140American Canyon, CA 94503 (707) 646‑5500
- 4520 Business Ctr Dr, Suite 200Vacaville, CA 94534 (707) 646‑5500
Group practices
Medicare enrollment lists William Chen as a member of these groups (CMS data updated 2026-10-02).
- NorthBay Health Medical Foundation213 clinicians in the group
- Presbyterian Medical Services132 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Farmington
Clinicians with the same Medicare primary specialty in Farmington, NM — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Touro Un College Of Osteopathic Medicine, Vallejo |
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1720575871 |
| 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