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Mara Ernst, DO

NPI 1538747753ActiveIndividual· Dermatology· Cincinnati, OH

Dermatology (DO) in Cincinnati, Ohio, trained at Ohio University, College of Osteopathic Medicine (class of 2021). Part D covered 213 prescriptions written in 2024, 84% of them generic. Janssen Biotech, Inc. was the largest of 8 companies reporting payments in 2025, $716.15 in all, mostly food and beverage.

Overview

NPI1538747753
StatusActive
Entity typeIndividual
CredentialDO
Sole proprietorYes
NPI issuedMar 30, 2021
Last updated in NPPESAug 21, 2025
Certified by providerAug 21, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Dermatology Primary207N00000X34.016652OH

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 - Dermatology (OH)

Part D prescriptions in 2024

Prescriptions (claims)213 · 244 30-day fills
Patients46
Total drug cost$287,722
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Medical schoolOhio University, College of Osteopathic Medicine
Graduation year2021
Medicare specialtyDermatology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$716.15 · 24 payments from 8 companies
  • 2024$267.66 · 2 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Janssen Biotech, Inc.$278.706
Abbvie Inc.$234.7710
Pfizer Inc.$89.642
Lilly USA, LLC$29.572
Almirall LLC$26.551

What the 2025 payments were for

  • Food and Beverage$521.17 · 22 payments
  • Education$194.98 · 2 payments

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

Other dermatologists in Cincinnati

All 67 dermatologists in Cincinnati · All dermatologists in Ohio