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Sarah E. Panzer, MD

NPI 1053439323ActiveIndividual· Internal Medicine, Nephrology· Fitchburg, WI

Internal Medicine, Nephrology (MD) in Fitchburg, Wisconsin, trained at University of Wisconsin School of Medicine (class of 2007). Their prescriptions cost Medicare Part D more than their services did: $182,065 for 356 claims, against $50,691 paid for services in 2024. Travere Therapeutics, Inc. was the largest of 2 companies reporting payments in 2025, $2,273 in all, mostly consulting fees.

Overview

NPI1053439323
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedMar 26, 2007
Last updated in NPPESFeb 3, 2021
Certified by providerFeb 3, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300X61769WI

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 - Nephrology (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients211
Services billed687 across 26 procedure codes
Paid by Medicare$50,691

Part D prescriptions in 2024

Prescriptions (claims)356 · 893 30-day fills
Patients91
Total drug cost$182,065
Generic share84% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Wisconsin School of Medicine
Graduation year2007
Medicare specialtyNephrology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,273 · 9 payments from 2 companies
  • 2024$407.38 · 4 payments from 2 companies

Top paying companies in 2025

What the 2025 payments were for

  • Consulting Fee$1,000 · 1 payment
  • Travel and Lodging$778.39 · 2 payments
  • Food and Beverage$494.61 · 6 payments

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

Other nephrologists in Fitchburg

All nephrologists in Wisconsin