Quick answers
- Which hospitals does Michael S. Van Williams work at?
- Medicare's official clinician data lists Michael S. Van Williams at 4 hospitals: Samaritan Hospital of Troy, New York, Saratoga Hospital, Southwestern Vermont Medical Center and St Peter's Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael S. Van Williams see patients?
- Medicare's clinician data lists 6 practice locations, including Saratoga Springs, NY, Troy, NY and Albany, NY. Call before your visit to confirm the address.
- What is Michael S. Van Williams's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Michael S. Van Williams accept Medicare assignment?
- Yes. Medicare's clinician data says Michael S. Van Williams 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 Michael S. Van Williams?
- (518) 693-4699, as listed in official Medicare / NPI Registry data.
- What is Michael S. Van Williams's NPI number?
- 1164153516. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael S. Van Williams works
Medicare's Facility Affiliation Data lists Michael S. Van Williams at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Samaritan Hospital of Troy, New YorkTroy, NY · Acute Care Hospital · CCN 330180
- Saratoga HospitalSaratoga Springs, NY · Acute Care Hospital · CCN 330222
- Southwestern Vermont Medical CenterBennington, VT · Acute Care Hospital · CCN 470012
- St Peter's HospitalAlbany, NY · Acute Care Hospital · CCN 330057
Practice locations
Addresses where Michael S. Van Williams is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1 W Ave, Suite 300Saratoga Springs, NY 12866 (518) 693‑4699
- 211 Church StSaratoga Springs, NY 12866
- 2215 Burdett AveTroy, NY 12180 (518) 271‑3300
- 3040 Route 50Saratoga Springs, NY 12866
- 3044 Route 50Saratoga Springs, NY 12866 (518) 886‑5800
Group practices
Medicare enrollment lists Michael S. Van Williams as a member of these groups (CMS data updated 2026-10-02).
- Saratoga Hospital356 clinicians in the group
- St Peters Hospital of the City of Albany271 clinicians in the group
- Samaritan Hospital of Troy, New York251 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Saratoga Springs
Clinicians with the same Medicare primary specialty in Saratoga Springs, NY — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2021 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164153516 |
| 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