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Jeffrey David Duman, MD

NPI 1174679773ActiveIndividual· Internal Medicine, Gastroenterology· Tualatin, OR

Internal Medicine, Gastroenterology (MD) in Tualatin, Oregon, trained at University of Texas Medical School at Houston (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $196,614 for 722 claims, against $55,407 paid for services in 2024. Janssen Biotech, Inc. reported $31.95 in payments in 2024, mostly food and beverage.

Overview

NPI1174679773
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJan 26, 2007
Last updated in NPPESNov 2, 2026
Certified by providerNov 2, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100XMD153776OR

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 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

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

Medicare services in 2024

Medicare patients184
Services billed1,612 across 44 procedure codes
Paid by Medicare$55,407

Part D prescriptions in 2024

Prescriptions (claims)722 · 1,177 30-day fills
Patients238
Total drug cost$196,614
Generic share81% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Texas Medical School at Houston
Graduation year2005
Medicare specialtyGastroenterology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2024$31.95 · 1 payment from 1 company

Top paying companies in 2024

CompanyAmountPayments
Janssen Biotech, Inc.$31.951

What the 2024 payments were for

  • Food and Beverage$31.95 · 1 payment

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

Other Internal Medicine, Gastroenterology providers in Tualatin

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