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Ronald Murph Williams Sr., M.D.

NPI 1740303742ActiveIndividual· Urology· Denison, TX

Urology (M.D.) in Denison, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 1997). 406 Medicare patients in 2024, $114,916 paid; nearly all of their 2,120 Part D prescriptions were generic (95%). Intuitive Surgical, Inc. was the largest of 4 companies reporting payments in 2025, $2,487 in all, mostly education.

Overview

NPI1740303742
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedApr 6, 2007
Last updated in NPPESAug 20, 2019

Specialties and licenses

TaxonomyCodeLicenseState
Urology Primary208800000X0101059068VA
Urology208800000XQ6800TX

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 10, 2026No match—
New York OMIG · Nov 10, 2026No match—
Ohio Medicaid · Nov 10, 2026No match—
Pennsylvania Medicheck · Nov 10, 2026No match—
Washington HCA · Nov 10, 2026No match—

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

Medicare

Enrollment (PECOS)Enrolled Practitioner - Urology (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients406
Services billed1,406 across 46 procedure codes
Paid by Medicare$114,916

Part D prescriptions in 2024

Prescriptions (claims)2,120 · 4,761 30-day fills
Patients502
Total drug cost$128,031
Generic share95% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Texas Southwestern Medical School at Dallas
Graduation year1997
Medicare specialtyUrology

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$2,487 · 16 payments from 4 companies
  • 2024$1,670 · 18 payments from 6 companies

Top paying companies in 2025

What the 2025 payments were for

  • Education$1,500 · 1 payment
  • Travel and Lodging$858.99 · 9 payments
  • Food and Beverage$128.49 · 6 payments

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

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