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Lynn P. Gehrmann, D.O.

NPI 1265663413ActiveIndividual· Emergency Medicine· Rhinelander, WI

Emergency Medicine (D.O.) with Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc., practicing in Rhinelander, Wisconsin. In 2024 Medicare paid $29,727 for 277 patients, and Part D covered 343 of their prescriptions, 85% of them generic. Lists Aspirus Rhinelander Hospital and 1 other hospital as hospital affiliations.

Overview

NPI1265663413
StatusActive
Entity typeIndividual
CredentialD.O.
Sole proprietorNo
NPI issuedAug 6, 2009
Last updated in NPPESDec 3, 2025
Certified by providerDec 3, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Emergency Medicine Primary207P00000X56856-21WI
Emergency Medicine207P00000X125.055956IL

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 - Emergency Medicine (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients277
Services billed328 across 20 procedure codes
Paid by Medicare$29,727

Part D prescriptions in 2024

Prescriptions (claims)343 · 367 30-day fills
Patients168
Total drug cost$18,494
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Graduation year2009
Medicare specialtyEmergency Medicine

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other emergency medicine physicians in Rhinelander

All emergency medicine physicians in Wisconsin