Quick answers
- Which hospitals does John F. Cassidy work at?
- Medicare's official clinician data lists John F. Cassidy at 3 hospitals: Calais Community Hospital, Down East Community Hospital and Northern Light Eastern Maine Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John F. Cassidy see patients?
- Medicare's clinician data lists 2 practice locations, including Machias, ME and Eastport, ME. Call before your visit to confirm the address.
- What is John F. Cassidy's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does John F. Cassidy accept Medicare assignment?
- Yes. Medicare's clinician data says John F. Cassidy 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 John F. Cassidy?
- (207) 255-8290, as listed in official Medicare / NPI Registry data.
- What is John F. Cassidy's NPI number?
- 1891890166. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John F. Cassidy works
Medicare's Facility Affiliation Data lists John F. Cassidy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Calais Community HospitalCalais, ME · Critical Access Hospital · CCN 201305
- Down East Community HospitalMachias, ME · Critical Access Hospital · CCN 201311
- Northern Light Eastern Maine Medical CenterBangor, ME · Acute Care Hospital · CCN 200033
Practice locations
Addresses where John F. Cassidy is enrolled with Medicare (CMS data updated 2026-10-02).
- 160 Dublin StMachias, ME 04654 (207) 255‑8290
- 30 Boynton StEastport, ME 04631
Group practices
Medicare enrollment lists John F. Cassidy as a member of this group (CMS data updated 2026-10-02).
- Eastport Health Care, Inc12 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Maine
Clinicians with the same Medicare primary specialty in Maine — not a recommendation.
Clinician information
| Graduation year | 1992 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891890166 |
| 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