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Gregory Paul Seymour, M.D.

NPI 1851316152ActiveIndividual· Dermatology· Keene, NH

Dermatology (M.D.) in Keene, New Hampshire, trained at State University of New York at Stony Brook, School of Medicine (class of 1995). Their prescriptions cost Medicare Part D more than their services did: $1,115,573 for 933 claims, against $153,749 paid for services in 2024.

Overview

NPI1851316152
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 13, 2006
Last updated in NPPESMar 10, 2017

Specialties and licenses

TaxonomyCodeLicenseState
Dermatology Primary207N00000X10542NH

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 - Dermatology (NH)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients1,189
Services billed3,995 across 67 procedure codes
Paid by Medicare$153,749

Part D prescriptions in 2024

Prescriptions (claims)933 · 1,246 30-day fills
Patients360
Total drug cost$1,115,573
Generic share86% of claims

Medicare sources and data years

Education and affiliations

Medical schoolState University of New York at Stony Brook, School of Medicine
Graduation year1995
Medicare specialtyDermatology

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other Dermatology providers in Keene

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