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Glenn L. Osias, MD

NPI 1164422788ActiveIndividual· Internal Medicine, Gastroenterology· Princeton, NJ

Internal Medicine, Gastroenterology (MD) in Princeton, New Jersey, trained at Rutgers R W Johnson Medical School (Cam/New Bruns/Pisc) (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $801,890 for 1,837 claims, against $122,238 paid for services in 2024. Abbvie Inc. was the largest of 19 companies reporting payments in 2025, $2,510 in all, mostly food and beverage.

Overview

NPI1164422788
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJul 26, 2005
Last updated in NPPESDec 11, 2019
Certified by providerDec 11, 2019

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Gastroenterology Primary207RG0100X25MA07526700NJ

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 (NJ)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients536
Services billed1,122 across 32 procedure codes
Paid by Medicare$122,238

Part D prescriptions in 2024

Prescriptions (claims)1,837 · 4,547 30-day fills
Patients544
Total drug cost$801,890
Generic share87% of claims

Medicare sources and data years

Education and affiliations

Medical schoolRutgers R W Johnson Medical School (Cam/New Bruns/Pisc)
Graduation year1994
Medicare specialtyGastroenterology
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,510 · 150 payments from 19 companies
  • 2024$2,844 · 165 payments from 24 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$2,368 · 144 payments
  • Education$122.60 · 5 payments
  • Grant$20.00 · 1 payment

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

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