Quick answers
- Which hospitals does William A. Boller Iii work at?
- Medicare's official clinician data lists William A. Boller Iii at 2 hospitals: Northern Light C A Dean Hospital and Northern Light Mayo Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William A. Boller Iii see patients?
- Medicare's clinician data lists 2 practice locations, including Sangerville, ME and Greenville, ME. Call before your visit to confirm the address.
- What is William A. Boller Iii's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does William A. Boller Iii accept Medicare assignment?
- Yes. Medicare's clinician data says William A. Boller Iii 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 A. Boller Iii?
- (207) 876-4811, as listed in official Medicare / NPI Registry data.
- What is William A. Boller Iii's NPI number?
- 1972730380. 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 A. Boller Iii works
Medicare's Facility Affiliation Data lists William A. Boller Iii at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northern Light C A Dean HospitalGreenville, ME · Critical Access Hospital · CCN 201301
- Northern Light Mayo HospitalDover Foxcroft, ME · Critical Access Hospital · CCN 201309
Practice locations
Addresses where William A. Boller Iii is enrolled with Medicare (CMS data updated 2026-10-02).
- 22 Haley CtSangerville, ME 04479 (207) 876‑4811
- PO Box, Suite 1129Greenville, ME 04441
Group practices
Medicare enrollment lists William A. Boller Iii as a member of this group (CMS data updated 2026-10-02).
- Charles a Dean Memorial Hospital23 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Maine
Clinicians with the same Medicare primary specialty in Maine — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972730380 |
| 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