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Jason D. Matthews, M.D.

NPI 1841404787ActiveIndividual· Internal Medicine, Gastroenterology· Flemington, NJ

Internal Medicine, Gastroenterology (M.D.) with Hunterdon Gastroenterology Associates, PA, practicing in Flemington, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $195,100 for 1,637 claims, against $90,554 paid for services in 2024. Endovascular Engineering Inc. was the largest of 2 companies reporting payments in 2025, $49.97 in all, mostly food and beverage. Lists Hunterdon Medical Center as a hospital affiliation.

Overview

NPI1841404787
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedMay 10, 2007
Last updated in NPPESSep 9, 2020
Certified by providerSep 9, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100XA86571CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Gastroenterology (NJ)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients384
Services billed1,918 across 32 procedure codes
Paid by Medicare$90,554

Part D prescriptions in 2024

Prescriptions (claims)1,637 · 3,643 30-day fills
Patients514
Total drug cost$195,100
Generic share93% of claims

Medicare sources and data years

Education and affiliations

Graduation year2000
Medicare specialtyGastroenterology
Secondary specialtiesInternal Medicine

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$49.97 · 2 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Endovascular Engineering Inc.$33.191
Novo Nordisk Inc$16.781

What the 2025 payments were for

  • Food and Beverage$49.97 · 2 payments

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

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