Quick answers
- Where does James G. Dinulos see patients?
- Medicare's clinician data lists 2 practice locations, including Portsmouth, NH. Call before your visit to confirm the address.
- What is James G. Dinulos's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does James G. Dinulos accept Medicare assignment?
- Yes. Medicare's clinician data says James G. Dinulos 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 James G. Dinulos?
- (603) 431-5205, as listed in official Medicare / NPI Registry data.
- What is James G. Dinulos's NPI number?
- 1023037579. 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 James G. Dinulos is enrolled with Medicare (CMS data updated 2026-10-02).
- 278 Lafayette Rd, Bldg EPortsmouth, NH 03801 (603) 431‑5205
- 330 Borthwick Ave, Suite 303Portsmouth, NH 03801 (603) 431‑5205
Group practices
Medicare enrollment lists James G. Dinulos as a member of this group (CMS data updated 2026-10-02).
- Forefront Dermatology - New Hampshire, PLLC11 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 |
|---|---|
| Medical school | Eastern Virginia Medical School |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023037579 |
| 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