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Stephen M. Gemmett, MD

NPI 1518928316ActiveIndividual· Surgery, Vascular Surgery· Dover, NH

Surgery, Vascular Surgery (MD) in Dover, New Hampshire, trained at Albany Medical College of Union University (class of 1991). In 2024 Medicare paid $90,998 for 818 patients, and Part D covered 251 of their prescriptions, 86% of them generic. Penumbra, Inc. reported $47.67 in payments in 2025, mostly food and beverage.

Overview

NPI1518928316
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMar 31, 2006
Last updated in NPPESJun 18, 2015

Specialties and licenses

TaxonomyCodeLicenseState
Surgery, Vascular Surgery Primary2086S0129X12061NH
Surgery208600000X12061NH

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Vascular Surgery (NH)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients818
Services billed1,362 across 89 procedure codes
Paid by Medicare$90,998

Part D prescriptions in 2024

Prescriptions (claims)251 · 463 30-day fills
Patients72
Total drug cost$26,764
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Medical schoolAlbany Medical College of Union University
Graduation year1991
Medicare specialtyVascular Surgery
Secondary specialtiesGeneral Surgery

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$47.67 · 1 payment from 1 company
  • 2024$352.93 · 3 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Penumbra, Inc.$47.671

What the 2025 payments were for

  • Food and Beverage$47.67 · 1 payment

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other vascular surgeons in Dover

All vascular surgeons in New Hampshire