Quick answers
- Where does Matthew G. Fleming see patients?
- Medicare's clinician data lists 2 practice locations, including Portsmouth, NH and Exeter, NH. Call before your visit to confirm the address.
- What is Matthew G. Fleming's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does Matthew G. Fleming accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew G. Fleming 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 Matthew G. Fleming?
- (978) 691-5690, as listed in official Medicare / NPI Registry data.
- What is Matthew G. Fleming's NPI number?
- 1962453787. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Matthew G. Fleming is enrolled with Medicare (CMS data updated 2026-10-02).
- 155 Borthwick AvePortsmouth, NH 03801 (978) 691‑5690
- 23 Hampton RdExeter, NH 03833 (978) 691‑5690
Group practices
Medicare enrollment lists Matthew G. Fleming as a member of this group (CMS data updated 2026-10-02).
- Northeast Dermatology Associates PC85 clinicians in the group
Specialties
- Dermatologyprimary
Other dermatologists in Portsmouth
Clinicians with the same Medicare primary specialty in Portsmouth, NH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1982 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1962453787 |
| 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
- 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