Skip to content

Charles E. Zierenberg, MD

NPI 1801025200ActiveIndividual· Orthopaedic Surgery· Gallipolis, OH

Orthopaedic Surgery (MD) with Holzer Clinic LLC and 1 other group, practicing in Gallipolis, Ohio. 310 Medicare patients in 2024, $98,264 paid; nearly all of their 148 Part D prescriptions were generic (97%). Zimmer Biomet Holdings, Inc. was the largest of 4 companies reporting payments in 2025, $376.37 in all, mostly education. Lists Holzer Medical Center and 1 other hospital as hospital affiliations.

Overview

NPI1801025200
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorYes
NPI issuedJul 7, 2009
Last updated in NPPESJan 11, 2021
Certified by providerJan 11, 2021

Specialties and licenses

TaxonomyCodeLicenseState
Orthopaedic Surgery Primary207X00000X35.131015OH
Orthopaedic Surgery207X00000X28681-RPR

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Oct 9, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 4, 2026No match—
New York OMIG · Nov 4, 2026No match—
Ohio Medicaid · Nov 4, 2026No match—
Pennsylvania Medicheck · Nov 4, 2026No match—
Washington HCA · Nov 4, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Orthopedic Surgery (OH)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients310
Services billed853 across 48 procedure codes
Paid by Medicare$98,264

Part D prescriptions in 2024

Prescriptions (claims)148 · 158 30-day fills
Patients119
Total drug cost$5,893
Generic share97% of claims

Medicare sources and data years

Education and affiliations

Graduation year2008
Medicare specialtyOrthopedic Surgery

Medical groups

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$376.37 · 4 payments from 4 companies
  • 2024$24.15 · 1 payment from 1 company

Top paying companies in 2025

CompanyAmountPayments
Zimmer Biomet Holdings, Inc.$276.341
Cosa Medical, LLC$63.491
Acumed LLC$21.361
Convatec Inc.$15.181

What the 2025 payments were for

  • Education$276.34 · 1 payment
  • Food and Beverage$100.03 · 3 payments

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

Other Orthopaedic Surgery providers in Gallipolis

All Orthopaedic Surgery providers in Ohio →