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Marco Rosario Corallo, D.O.

NPI 1568550549ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Beloit, OH

Internal Medicine, Endocrinology, Diabetes & Metabolism (D.O.) in Beloit, Ohio, trained at New York College of Osteo Medicine of New York Institute of Technology (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $712,551 for 2,043 claims, against $5,884 paid for services in 2024. Corcept Therapeutics was the largest of 10 companies reporting payments in 2025, $2,822 in all, mostly speaking and faculty fees.

Overview

NPI1568550549
StatusActive
Entity typeIndividual
CredentialD.O.
Sole proprietorYes
NPI issuedOct 11, 2006
Last updated in NPPESSep 4, 2012

Specialties and licenses

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 - Endocrinology (OH)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients37
Services billed67 across 8 procedure codes
Paid by Medicare$5,884

Part D prescriptions in 2024

Prescriptions (claims)2,043 · 4,571 30-day fills
Patients513
Total drug cost$712,551
Generic share55% of claims

Medicare sources and data years

Education and affiliations

Medical schoolNew York College of Osteo Medicine of New York Institute of Technology
Graduation year1994
Medicare specialtyEndocrinology

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,822 · 22 payments from 10 companies
  • 2024$38.14 · 2 payments from 2 companies

Top paying companies in 2025

What the 2025 payments were for

  • Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$2,293 · 1 payment
  • Food and Beverage$457.33 · 20 payments
  • Travel and Lodging$72.10 · 1 payment

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

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