Quick answers
- Which hospitals does Denis Dupuis work at?
- Medicare's official clinician data lists Denis Dupuis at 4 hospitals: Catholic Medical Center, Elliot Hospital, Portsmouth Regional Hospital and St Joseph Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Denis Dupuis see patients?
- Medicare's clinician data lists 1 practice location in Bedford, NH. Call before your visit to confirm the address.
- What is Denis Dupuis's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Denis Dupuis accept Medicare assignment?
- Yes. Medicare's clinician data says Denis Dupuis 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 Denis Dupuis?
- (603) 645-6652, as listed in official Medicare / NPI Registry data.
- What is Denis Dupuis's NPI number?
- 1740391663. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Denis Dupuis works
Medicare's Facility Affiliation Data lists Denis Dupuis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Catholic Medical CenterManchester, NH · Acute Care Hospital · CCN 300034
- Elliot HospitalManchester, NH · Acute Care Hospital · CCN 300012
- Portsmouth Regional HospitalPortsmouth, NH · Acute Care Hospital · CCN 300029
- St Joseph HospitalNashua, NH · Acute Care Hospital · CCN 300011
Practice locations
Addresses where Denis Dupuis is enrolled with Medicare (CMS data updated 2026-10-02).
- 40 S River Rd, Unit 16Bedford, NH 03110 (603) 645‑6652
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Bedford
Clinicians with the same Medicare primary specialty in Bedford, NH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Boston University School Of Medicine |
| Graduation year | 1985 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1740391663 |
| 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