Quick answers
- Which hospitals does Ryan A. Plummer work at?
- Medicare's official clinician data lists Ryan A. Plummer at 5 hospitals: Cary Medical Center, Northern Light Eastern Maine Medical Center, Northern Light Maine Coast Hospital, Northern Light Mayo Hospital and Northern Light Mercy Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ryan A. Plummer see patients?
- Medicare's clinician data lists 1 practice location in Portland, ME. Call before your visit to confirm the address.
- What is Ryan A. Plummer's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Ryan A. Plummer accept Medicare assignment?
- Yes. Medicare's clinician data says Ryan A. Plummer 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 Ryan A. Plummer?
- (207) 879-3000, as listed in official Medicare / NPI Registry data.
- What is Ryan A. Plummer's NPI number?
- 1720786916. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ryan A. Plummer works
Medicare's Facility Affiliation Data lists Ryan A. Plummer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cary Medical CenterCaribou, ME · Acute Care Hospital · CCN 200031
- Northern Light Eastern Maine Medical CenterBangor, ME · Acute Care Hospital · CCN 200033
- Northern Light Maine Coast HospitalEllsworth, ME · Acute Care Hospital · CCN 200050
- Northern Light Mayo HospitalDover Foxcroft, ME · Critical Access Hospital · CCN 201309
- Northern Light Mercy HospitalPortland, ME · Acute Care Hospital · CCN 200008
Practice locations
Addresses where Ryan A. Plummer is enrolled with Medicare (CMS data updated 2026-10-02).
- 175 Fore River PkwyPortland, ME 04102 (207) 879‑3000
Group practices
Medicare enrollment lists Ryan A. Plummer as a member of this group (CMS data updated 2026-10-02).
- Mercy Hospital301 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Portland
Clinicians with the same Medicare primary specialty in Portland, ME — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1720786916 |
| 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