Quick answers
- Which hospitals does Arthur Marka work at?
- Medicare's official clinician data lists Arthur Marka at 2 hospitals: Portsmouth Regional Hospital and Wentworth-Douglass Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Arthur Marka see patients?
- Medicare's clinician data lists 2 practice locations, including Portsmouth, NH. Call before your visit to confirm the address.
- What is Arthur Marka's specialty?
- Medicare lists Dermatology as the primary specialty.
- Does Arthur Marka accept Medicare assignment?
- Yes. Medicare's clinician data says Arthur Marka 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 Arthur Marka?
- (603) 431-5205, as listed in official Medicare / NPI Registry data.
- What is Arthur Marka's NPI number?
- 1538798541. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Arthur Marka works
Medicare's Facility Affiliation Data lists Arthur Marka at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Portsmouth Regional HospitalPortsmouth, NH · Acute Care Hospital · CCN 300029
- Wentworth-Douglass HospitalDover, NH · Acute Care Hospital · CCN 300018
Practice locations
Addresses where Arthur Marka 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 Arthur Marka 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 |
|---|---|
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1538798541 |
| 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