Skip to content

Mark S. Gresla, M.D.

NPI 1467482034ActiveIndividual· Family Medicine· Decatur, IN

Family Medicine (M.D.) in Decatur, Indiana, trained at Indiana University School of Medicine (class of 1984). Part D covered 14,434 prescriptions written in 2024, 85% of them generic. Otsuka America Pharmaceutical, Inc. was the largest of 2 companies reporting payments in 2025, $213.91 in all, mostly food and beverage.

Overview

NPI1467482034
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorYes
NPI issuedJul 3, 2006
Last updated in NPPESOct 15, 2025
Certified by providerOct 15, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000X01034460AIN

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 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Family Practice (IN)

Part D prescriptions in 2024

Prescriptions (claims)14,434 · 14,634 30-day fills
Patients381
Total drug cost$1,360,696
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Medical schoolIndiana University School of Medicine
Graduation year1984
Medicare specialtyFamily Practice

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$213.91 · 2 payments from 2 companies
  • 2024$97.53 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Otsuka America Pharmaceutical, Inc.$112.681
Amgen Inc.$101.231

What the 2025 payments were for

  • Food and Beverage$213.91 · 2 payments

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

Other Family Medicine providers in Decatur

All Family Medicine providers in Indiana →