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Zachary Adam Zimmerman, M.D.

NPI 1265815187ActiveIndividual· Otolaryngology· Beloit, WI

Otolaryngology (M.D.) in Beloit, Wisconsin, trained at University of Florida College of Medicine (class of 2015). 489 Medicare patients in 2024, $87,017 paid; all of their 381 Part D prescriptions were generic. Genzyme Corporation was the largest of 8 companies reporting payments in 2025, $252.59 in all, mostly food and beverage.

Overview

NPI1265815187
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 9, 2015
Last updated in NPPESSep 7, 2023
Certified by providerAug 25, 2021

Specialties and licenses

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 - Otolaryngology (IL); Practitioner - Otolaryngology (WI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients489
Services billed1,333 across 58 procedure codes
Paid by Medicare$87,017

Part D prescriptions in 2024

Prescriptions (claims)381 · 537 30-day fills
Patients170
Total drug cost$3,872
Generic share100% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Florida College of Medicine
Graduation year2015
Medicare specialtyOtolaryngology

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$252.59 · 10 payments from 8 companies
  • 2024$1,640 · 18 payments from 4 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$199.60 · 9 payments
  • Education$52.99 · 1 payment

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