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Mameyan Donzo, MD

NPI 1548721756ActiveIndividual· Internal Medicine· Dixon, IL

Internal Medicine (MD) with Osf Multi-Specialty Group and 3 other groups, practicing in Dixon, Illinois. In 2024 Medicare paid $32,756 for 184 patients, and Part D covered 220 of their prescriptions, 85% of them generic. Csl Behring reported $20.48 in payments in 2025, mostly food and beverage. Lists Baptist Medical Center - Nassau and 3 other hospitals as hospital affiliations.

Overview

NPI1548721756
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMar 29, 2019
Last updated in NPPESSep 1, 2026
Certified by providerSep 1, 2026

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X036162923IL
Internal Medicine207R00000XME159277FL
Hospitalist208M00000XME159277FL

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 (FL); Practitioner - Internal Medicine (IL); Practitioner - Internal Medicine (NY); Practitioner - Internal Medicine (PA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients184
Services billed360 across 10 procedure codes
Paid by Medicare$32,756

Part D prescriptions in 2024

Prescriptions (claims)220 · 294 30-day fills
Patients66
Total drug cost$21,350
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Graduation year2019
Medicare specialtyInternal Medicine

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$20.48 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Csl Behring$20.481

What the 2025 payments were for

  • Food and Beverage$20.48 · 1 payment

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

Other Internal Medicine providers in Dixon

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