Quick answers
- Which hospitals does William Andre Z. Silva work at?
- Medicare's official clinician data lists William Andre Z. Silva at 1 hospital: Skagit Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William Andre Z. Silva see patients?
- Medicare's clinician data lists 1 practice location in Mount Vernon, WA. Call before your visit to confirm the address.
- What is William Andre Z. Silva's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty, and also Hospitalist.
- Does William Andre Z. Silva accept Medicare assignment?
- Yes. Medicare's clinician data says William Andre Z. Silva 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 Andre Z. Silva?
- (360) 588-5570, as listed in official Medicare / NPI Registry data.
- What is William Andre Z. Silva's NPI number?
- 1861413965. 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 Andre Z. Silva works
Medicare's Facility Affiliation Data lists William Andre Z. Silva at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Skagit Valley HospitalMount Vernon, WA · Acute Care Hospital · CCN 500003
Practice locations
Addresses where William Andre Z. Silva is enrolled with Medicare (CMS data updated 2026-10-02).
- 125 N 18th St, Suite AMount Vernon, WA 98273 (360) 588‑5570
Group practices
Medicare enrollment lists William Andre Z. Silva as a member of this group (CMS data updated 2026-10-02).
- Sea Mar Community Health Centers230 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
- Hospitalistalso
Other OB-GYNs in Mount Vernon
Clinicians with the same Medicare primary specialty in Mount Vernon, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861413965 |
| 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