Quick answers
- Which hospitals does Nathaniel A. Long work at?
- Medicare's official clinician data lists Nathaniel A. Long at 2 hospitals: Bridgton Hospital and MaineHealth Maine Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Nathaniel A. Long see patients?
- Medicare's clinician data lists 2 practice locations, including Biddeford, ME and Portland, ME. Call before your visit to confirm the address.
- What is Nathaniel A. Long's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Nathaniel A. Long accept Medicare assignment?
- Yes. Medicare's clinician data says Nathaniel A. Long 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 Nathaniel A. Long's NPI number?
- 1306585518. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Nathaniel A. Long works
Medicare's Facility Affiliation Data lists Nathaniel A. Long at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Bridgton HospitalBridgton, ME · Critical Access Hospital · CCN 201310
- MaineHealth Maine Medical CenterPortland, ME · Acute Care Hospital · CCN 200009
Practice locations
Addresses where Nathaniel A. Long is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Medical Ctr DrBiddeford, ME 04005
- 22 Bramhall StPortland, ME 04102
Group practices
Medicare enrollment lists Nathaniel A. Long as a member of this group (CMS data updated 2026-10-02).
- MaineHealth2,633 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Biddeford
Clinicians with the same Medicare primary specialty in Biddeford, ME — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Pennsylvania State University College Of Medicine |
| Graduation year | 2022 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306585518 |
| 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