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Thomas L. Treadwell, M.D.

NPI 1144260670ActiveIndividual· Internal Medicine· Framingham, MA

Internal Medicine (M.D.) in Framingham, Massachusetts, trained at Geisel School of Medicine at Dartmouth (class of 1977). Their prescriptions cost Medicare Part D more than their services did: $2,401,472 for 3,078 claims, against $38,812 paid for services in 2024. Gilead Sciences, Inc. reported $8,453 in payments in 2025, mostly speaking and faculty fees.

Overview

NPI1144260670
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedJun 6, 2006
Last updated in NPPESJan 18, 2013

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X47472MA

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 - Infectious Disease (MA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients215
Services billed500 across 18 procedure codes
Paid by Medicare$38,812

Part D prescriptions in 2024

Prescriptions (claims)3,078 · 3,232 30-day fills
Patients187
Total drug cost$2,401,472
Generic share68% of claims

Medicare sources and data years

Education and affiliations

Medical schoolGeisel School of Medicine at Dartmouth
Graduation year1977
Medicare specialtyInfectious Disease

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$8,453 · 12 payments from 1 company
  • 2024$10,953 · 14 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Gilead Sciences, Inc.$8,45312

What the 2025 payments were for

  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$7,840 · 5 payments
  • Travel and Lodging$312.39 · 3 payments
  • Food and Beverage$300.98 · 4 payments

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

Other Internal Medicine providers in Framingham

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