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Berilonson Stephen Osiro, MD

NPI 1356748859ActiveIndividual· Internal Medicine· Great Falls, MT

Internal Medicine (MD) with Iu Health Medical Group LLC and 1 other group, practicing in Great Falls, Montana. In 2024 Medicare paid $82,531 for 426 patients, and Part D covered 239 of their prescriptions, 89% of them generic. Lists Indiana University Health and 1 other hospital as hospital affiliations.

Overview

NPI1356748859
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedNov 26, 2014
Last updated in NPPESAug 23, 2023
Certified by providerAug 23, 2023

Specialties and licenses

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 - Internal Medicine (IN); Practitioner - Infectious Disease (MT)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients426
Services billed1,025 across 10 procedure codes
Paid by Medicare$82,531

Part D prescriptions in 2024

Prescriptions (claims)239 · 252 30-day fills
Patients122
Total drug cost$14,286
Generic share89% of claims

Medicare sources and data years

Education and affiliations

Graduation year2011
Medicare specialtyInternal Medicine
Secondary specialtiesInfectious Disease

Medical groups

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 internal medicine physicians in Great Falls

All 23 internal medicine physicians in Great Falls · All internal medicine physicians in Montana