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Mary Olivia Polk, M.D.

NPI 1427158104ActiveIndividual· Internal Medicine, Pulmonary Disease· Springfield, IL

Internal Medicine, Pulmonary Disease (M.D.) in Springfield, Illinois, trained at Washington University School of Medicine (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $1,775,193 for 3,401 claims, against $78,764 paid for services in 2024. Regeneron Healthcare Solutions, Inc. was the largest of 21 companies reporting payments in 2025, $2,784 in all, mostly food and beverage.

Overview

NPI1427158104
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedSep 23, 2006
Last updated in NPPESOct 20, 2022
Certified by providerOct 20, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Pulmonary Disease Primary207RP1001X036-087921IL

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 - Pulmonary Disease (NC)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients439
Services billed1,502 across 21 procedure codes
Paid by Medicare$78,764

Part D prescriptions in 2024

Prescriptions (claims)3,401 · 4,533 30-day fills
Patients484
Total drug cost$1,775,193
Generic share52% of claims

Medicare sources and data years

Education and affiliations

Medical schoolWashington University School of Medicine
Graduation year1984
Medicare specialtyPulmonary Disease
TelehealthOffers telehealth

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,784 · 125 payments from 21 companies
  • 2024$3,023 · 102 payments from 20 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$2,750 · 124 payments
  • Education$34.00 · 1 payment

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

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