Quick answers
- Which hospitals does Andrew Marshall work at?
- Medicare's official clinician data lists Andrew Marshall at 5 hospitals: Frisbie Memorial Hospital, Parkland Medical Center, Portsmouth Regional Hospital, Wentworth-Douglass Hospital and York Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Andrew Marshall see patients?
- Medicare's clinician data lists 2 practice locations, including Derry, NH and Portsmouth, NH. Call before your visit to confirm the address.
- What is Andrew Marshall's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty, and also Interventional Radiology.
- Does Andrew Marshall accept Medicare assignment?
- Yes. Medicare's clinician data says Andrew Marshall 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 Andrew Marshall?
- (603) 432-1500, as listed in official Medicare / NPI Registry data.
- What is Andrew Marshall's NPI number?
- 1386055713. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Andrew Marshall works
Medicare's Facility Affiliation Data lists Andrew Marshall 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
- Parkland Medical CenterDerry, NH · Acute Care Hospital · CCN 300017
- Portsmouth Regional HospitalPortsmouth, NH · Acute Care Hospital · CCN 300029
- Wentworth-Douglass HospitalDover, NH · Acute Care Hospital · CCN 300018
- York HospitalYork, ME · Acute Care Hospital · CCN 200020
Practice locations
Addresses where Andrew Marshall is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Parkland DrDerry, NH 03038 (603) 432‑1500
- 333 Borthwick AvePortsmouth, NH 03801 (603) 736‑5110
Group practices
Medicare enrollment lists Andrew Marshall as a member of these groups (CMS data updated 2026-10-02).
- Portsmouth Radiological PA11 clinicians in the group
- Seacoast Interventional Radiology Associates PLLC5 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
- Interventional Radiologyalso
Other radiologists in Derry
Clinicians with the same Medicare primary specialty in Derry, NH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tulane University School Of Medicine |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386055713 |
| 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