Quick answers
- Where does Anthony W. Posuniak see patients?
- Medicare's clinician data lists 3 practice locations, including Bucksport, ME, Brunswick, ME and Ellsworth, ME. Call before your visit to confirm the address.
- What is Anthony W. Posuniak's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Anthony W. Posuniak accept Medicare assignment?
- Yes. Medicare's clinician data says Anthony W. Posuniak 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 Anthony W. Posuniak?
- (207) 469-7371, as listed in official Medicare / NPI Registry data.
- What is Anthony W. Posuniak's NPI number?
- 1437723764. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Anthony W. Posuniak is enrolled with Medicare (CMS data updated 2026-10-02).
- 110 BroadwayBucksport, ME 04416 (207) 469‑7371
- 193 Bath RdBrunswick, ME 04011 (207) 424‑2272
- 235 High StEllsworth, ME 04605 (207) 412‑5200
Group practices
Medicare enrollment lists Anthony W. Posuniak as a member of these groups (CMS data updated 2026-10-02).
- Convenientmd - FFS UC LLC392 clinicians in the group
- Bucksport Regional Health Center30 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Bucksport
Clinicians with the same Medicare primary specialty in Bucksport, ME — not a recommendation.
Clinician information
| Graduation year | 2021 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437723764 |
| 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
- 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