Quick answers
- Which hospitals does William P. Carter Iii work at?
- Medicare's official clinician data lists William P. Carter Iii at 4 hospitals: Elliot Hospital, Exeter Hospital Inc, Mary Hitchcock Memorial Hospital and Parkland Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William P. Carter Iii see patients?
- Medicare's clinician data lists 3 practice locations, including Derry, NH, Rochester, NH and Exeter, NH. Call before your visit to confirm the address.
- What is William P. Carter Iii's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does William P. Carter Iii accept Medicare assignment?
- Yes. Medicare's clinician data says William P. Carter Iii 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 William P. Carter Iii?
- (603) 432-1500, as listed in official Medicare / NPI Registry data.
- What is William P. Carter Iii's NPI number?
- 1083795116. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William P. Carter Iii works
Medicare's Facility Affiliation Data lists William P. Carter Iii at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Elliot HospitalManchester, NH · Acute Care Hospital · CCN 300012
- Exeter Hospital IncExeter, NH · Acute Care Hospital · CCN 300023
- Mary Hitchcock Memorial HospitalLebanon, NH · Acute Care Hospital · CCN 300003
- Parkland Medical CenterDerry, NH · Acute Care Hospital · CCN 300017
Practice locations
Addresses where William P. Carter Iii is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Parkland DrDerry, NH 03038 (603) 432‑1500
- 11 Whitehall RdRochester, NH 03867 (603) 330‑7914
- 4 Alumni DrExeter, NH 03833 (603) 580‑7285
Group practices
Medicare enrollment lists William P. Carter Iii as a member of this group (CMS data updated 2026-10-02).
- Core Physicians LLC289 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Derry
Clinicians with the same Medicare primary specialty in Derry, NH — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2005 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1083795116 |
| 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