Quick answers
- Which hospitals does Paul E. Demasi work at?
- Medicare's official clinician data lists Paul E. Demasi at 5 hospitals: Frisbie Memorial Hospital, Huggins Hospital, Massachusetts General Hospital, Portsmouth Regional Hospital and Wentworth-Douglass Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Paul E. Demasi see patients?
- Medicare's clinician data lists 1 practice location in Dover, NH. Call before your visit to confirm the address.
- What is Paul E. Demasi's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Paul E. Demasi accept Medicare assignment?
- Yes. Medicare's clinician data says Paul E. Demasi 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 Paul E. Demasi's NPI number?
- 1659389286. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Paul E. Demasi works
Medicare's Facility Affiliation Data lists Paul E. Demasi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Frisbie Memorial HospitalRochester, NH · Acute Care Hospital · CCN 300014
- Huggins HospitalWolfeboro, NH · Critical Access Hospital · CCN 301312
- Massachusetts General HospitalBoston, MA · Acute Care Hospital · CCN 220071
- Portsmouth Regional HospitalPortsmouth, NH · Acute Care Hospital · CCN 300029
- Wentworth-Douglass HospitalDover, NH · Acute Care Hospital · CCN 300018
Practice locations
Addresses where Paul E. Demasi is enrolled with Medicare (CMS data updated 2026-10-02).
- 789 Central AveDover, NH 03820
Group practices
Medicare enrollment lists Paul E. Demasi as a member of this group (CMS data updated 2026-10-02).
- Wentworth Douglass Physician Corporation429 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Dover
Clinicians with the same Medicare primary specialty in Dover, NH — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | At Still University Of Health Sciences, College Of Osteo Med, Kirksville |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659389286 |
| 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