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John William Warner, M.D.

NPI 1881795821ActiveIndividual· Urology· Winchester, VA

Urology (M.D.) in Winchester, Virginia, trained at University of North Carolina at Chapel Hill School of Medicine (class of 1998). 758 Medicare patients in 2024, $151,682 paid; nearly all of their 2,264 Part D prescriptions were generic (94%). Procept Biorobotics Corporation was the largest of 10 companies reporting payments in 2025, $484.70 in all, mostly food and beverage.

Overview

NPI1881795821
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedSep 25, 2006
Last updated in NPPESMar 3, 2025
Certified by providerMar 3, 2025

Specialties and licenses

TaxonomyCodeLicenseState
Urology Primary208800000X0101236167VA

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 - Urology (VA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients758
Services billed8,567 across 75 procedure codes
Paid by Medicare$151,682

Part D prescriptions in 2024

Prescriptions (claims)2,264 · 5,364 30-day fills
Patients510
Total drug cost$115,977
Generic share94% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of North Carolina at Chapel Hill School of Medicine
Graduation year1998
Medicare specialtyUrology
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$484.70 · 13 payments from 10 companies
  • 2024$123.65 · 6 payments from 5 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$484.70 · 13 payments

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

Other urologists in Winchester

All 16 urologists in Winchester · All urologists in Virginia