Quick answers
- Which hospitals does Robert Ketchum work at?
- Medicare's official clinician data lists Robert Ketchum at 4 hospitals: Exeter Hospital Inc, 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 Robert Ketchum see patients?
- Medicare's clinician data lists 2 practice locations, including Somersworth, NH and Portsmouth, NH. Call before your visit to confirm the address.
- What is Robert Ketchum's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Robert Ketchum accept Medicare assignment?
- Yes. Medicare's clinician data says Robert Ketchum 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 Robert Ketchum?
- (603) 692-2228, as listed in official Medicare / NPI Registry data.
- What is Robert Ketchum's NPI number?
- 1578702197. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert Ketchum works
Medicare's Facility Affiliation Data lists Robert Ketchum at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Exeter Hospital IncExeter, NH · Acute Care Hospital · CCN 300023
- 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 Robert Ketchum is enrolled with Medicare (CMS data updated 2026-10-02).
- 21 Clark WaySomersworth, NH 03878 (603) 692‑2228
- 330 Borthwick Ave, Suite 300Portsmouth, NH 03801 (603) 692‑2228
Group practices
Medicare enrollment lists Robert Ketchum as a member of this group (CMS data updated 2026-10-02).
- Atlantic Digestive Specialists PLLC17 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Somersworth
Clinicians with the same Medicare primary specialty in Somersworth, NH — not a recommendation.
Clinician information
| Graduation year | 2008 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578702197 |
| 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