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Larson F. Langschwager, M.D.

NPI 1073515128ActiveIndividual· Obstetrics & Gynecology· Auburn, IN

Obstetrics & Gynecology (M.D.) with Parkview Health System Inc, practicing in Auburn, Indiana. Their prescriptions cost Medicare Part D more than their services did: $7,703 for 125 claims, against $4,609 paid for services in 2024. Biogen, Inc. was the largest of 2 companies reporting payments in 2025, $27.94 in all, mostly food and beverage. Lists Parkview Regional Medical Center as a hospital affiliation.

Overview

NPI1073515128
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 1, 2005
Last updated in NPPESNov 15, 2022
Certified by providerNov 15, 2022

Specialties and licenses

TaxonomyCodeLicenseState
Obstetrics & Gynecology Primary207V00000X01075925AIN
Obstetrics & Gynecology207V00000X4301074243MI

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 - Obstetrics/Gynecology (IN)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients29
Services billed1,115 across 20 procedure codes
Paid by Medicare$4,609

Part D prescriptions in 2024

Prescriptions (claims)125 · 233 30-day fills
Patients46
Total drug cost$7,703
Generic share82% of claims

Medicare sources and data years

Education and affiliations

Graduation year1999
Medicare specialtyObstetrics/Gynecology

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$27.94 · 2 payments from 2 companies
  • 2024$35.84 · 2 payments from 2 companies

Top paying companies in 2025

CompanyAmountPayments
Biogen, Inc.$14.321
Bayer Healthcare Pharmaceuticals Inc.$13.621

What the 2025 payments were for

  • Food and Beverage$27.94 · 2 payments

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

Other Obstetrics & Gynecology providers in Auburn

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