Surgeon profile

William Carter, M.D.

Emergency Medicine · Portsmouth, NH 03801NPI 1083795116

Database refreshed July 2026Live NPPES registry· Industry payments CY2025ⓘ sources

Contactverified live in NPPES · Jul 8, 2026

Active NPI333 BORTHWICK AVE, PORTSMOUTH, NH 03801☎ 603-436-5110

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Operates atCMS affiliations, refreshed monthly

EXETER HOSPITAL INC · EXETER, NHPARKLAND MEDICAL CENTER · DERRY, NHPORTSMOUTH REGIONAL HOSPITAL · PORTSMOUTH, NHFRISBIE MEMORIAL HOSPITAL · ROCHESTER, NHSOUTHERN NH MEDICAL CENTER · NASHUA, NH

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Tracked procedure volumes

Latest federal claims release with year-over-year momentum. Eight device-heavy specialties tracked — more coming.

175 Medicare cases/yr

68 patients

1 procedure

Procedure	Cases	Trend	Patients
Wound Debridement — Subcutaneous CPT 11042	175	▲ +6%	68

Industry relationships

CMS Open Payments, CY2025 general payments (published June 2026) — who already pays this surgeon.

$136 total received, 2025

4 payments

2 manufacturer relationships on file

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Relationship trajectory, 2019–2025

7-year payment trajectory (who's warming up, who's cooling off on this surgeon) is a paid feature. Unlock

Pulling CY2025 industry payments + 7-year history…