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Gerald Cahill, M.D.

NPI 1346357795ActiveIndividual· Surgery· Olympia Fields, IL

Surgery (M.D.) in Olympia Fields, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1982). Mostly services rather than prescriptions: Medicare paid $17,657 for 76 patients in 2024, with only 28 Part D claims. Boston Scientific Corporation reported $79.84 in payments in 2025, mostly food and beverage.

Overview

NPI1346357795
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedAug 23, 2006
Last updated in NPPESApr 14, 2023
Certified by providerApr 14, 2023

Specialties and licenses

TaxonomyCodeLicenseState
Surgery Primary208600000X036068765IL
Surgery208600000X01058798AIN
Colon & Rectal Surgery208C00000X036068765IL
Colon & Rectal Surgery208C00000X01058798AIN

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 - General Surgery (IL); Practitioner - General Surgery (IN)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients76
Services billed149 across 26 procedure codes
Paid by Medicare$17,657

Part D prescriptions in 2024

Prescriptions (claims)28 · 36 30-day fills
Total drug cost$2,397
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Graduation year1982
Medicare specialtyGeneral Surgery

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$79.84 · 1 payment from 1 company
  • 2024$148.07 · 3 payments from 1 company

Top paying companies in 2025

CompanyAmountPayments
Boston Scientific Corporation$79.841

What the 2025 payments were for

  • Food and Beverage$79.84 · 1 payment

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

Other general surgeons in Olympia Fields

All general surgeons in Illinois