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Christian Ballast, MD

NPI 1720025174ActiveIndividual· Internal Medicine· Shelbyville, IN

Internal Medicine (MD) in Shelbyville, Indiana, trained at University of Michigan Medical School (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $72,028 for 1,406 claims, against $41,865 paid for services in 2024. Corcept Therapeutics reported $24.33 in payments in 2025, mostly food and beverage.

Overview

NPI1720025174
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedJun 1, 2006
Last updated in NPPESNov 23, 2016

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000X01038703AIN
Pediatrics208000000X01038703AIN

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)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients375
Services billed780 across 19 procedure codes
Paid by Medicare$41,865

Part D prescriptions in 2024

Prescriptions (claims)1,406 · 1,430 30-day fills
Patients104
Total drug cost$72,028
Generic share91% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Michigan Medical School
Graduation year1989
Medicare specialtyInternal Medicine

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$24.33 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Corcept Therapeutics$24.331

What the 2025 payments were for

  • Food and Beverage$24.33 · 1 payment

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

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