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William Leonard Metz, CNP

NPI 1205366077ActiveIndividual· Internal Medicine, Nephrology· Columbus, OH

Internal Medicine, Nephrology (CNP) with Riverside Nephrology Associates Inc, practicing in Columbus, Ohio. 269 Medicare patients in 2024, $43,067 paid; nearly all of their 537 Part D prescriptions were generic (92%). Medtronic, Inc. was the largest of 9 companies reporting payments in 2025, $513.31 in all, mostly food and beverage. Lists Grant Medical Center as a hospital affiliation.

Overview

NPI1205366077
StatusActive
Entity typeIndividual
CredentialCNP
Sole proprietorNo
NPI issuedJun 14, 2017
Last updated in NPPESJun 14, 2017

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine, Nephrology Primary207RN0300X021005OH

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 - Nurse Practitioner (OH)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients269
Services billed815 across 14 procedure codes
Paid by Medicare$43,067

Part D prescriptions in 2024

Prescriptions (claims)537 · 957 30-day fills
Patients141
Total drug cost$40,540
Generic share92% of claims

Medicare sources and data years

Education and affiliations

Graduation year2017
Medicare specialtyNurse Practitioner

Medical group

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$513.31 · 20 payments from 9 companies
  • 2024$623.76 · 15 payments from 10 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$496.59 · 11 payments
  • Education$12.01 · 8 payments
  • Travel and Lodging$4.71 · 1 payment

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

Other nephrologists in Columbus

All 75 nephrologists in Columbus · All nephrologists in Ohio