Quick answers
- Which hospitals does William St. Marie work at?
- Medicare's official clinician data lists William St. Marie at 1 hospital: Central Maine Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William St. Marie see patients?
- Medicare's clinician data lists 3 practice locations, including Lewiston, ME and Rumford, ME. Call before your visit to confirm the address.
- What is William St. Marie's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does William St. Marie accept Medicare assignment?
- Yes. Medicare's clinician data says William St. Marie 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 St. Marie?
- (207) 795-0111, as listed in official Medicare / NPI Registry data.
- What is William St. Marie's NPI number?
- 1669268439. 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 St. Marie works
Medicare's Facility Affiliation Data lists William St. Marie at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Central Maine Medical CenterLewiston, ME · Acute Care Hospital · CCN 200024
Practice locations
Addresses where William St. Marie is enrolled with Medicare (CMS data updated 2026-10-02).
- 300 Main StLewiston, ME 04240 (207) 795‑0111
- 420 Franklin StRumford, ME 04276
- 430 Franklin StRumford, ME 04276 (207) 369‑1224
Group practices
Medicare enrollment lists William St. Marie as a member of these groups (CMS data updated 2026-10-02).
- Central Maine Medical Center342 clinicians in the group
- Rumford Community Family Health Center Inc.37 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Lewiston
Clinicians with the same Medicare primary specialty in Lewiston, ME — not a recommendation.
Clinician information
| Graduation year | 2025 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1669268439 |
| 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