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Billy Ray Gilbert II, M.D.

NPI 1164685731ActiveIndividual· Internal Medicine, Nephrology· Houston, TX

Internal Medicine, Nephrology (M.D.) in Houston, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $989,364 for 3,041 claims, against $121,975 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 4 companies reporting payments in 2025, $84.04 in all, mostly food and beverage.

Overview

NPI1164685731
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJul 3, 2008
Last updated in NPPESFeb 9, 2012

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 - Nephrology (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients253
Services billed909 across 20 procedure codes
Paid by Medicare$121,975

Part D prescriptions in 2024

Prescriptions (claims)3,041 · 6,898 30-day fills
Patients638
Total drug cost$989,364
Generic share80% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Texas Southwestern Medical School at Dallas
Graduation year2005
Medicare specialtyNephrology
Secondary specialtiesInternal Medicine

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$84.04 · 5 payments from 4 companies
  • 2024$194.19 · 11 payments from 7 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$80.72 · 4 payments
  • Education$3.32 · 1 payment

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

Other nephrologists in Houston

All 302 nephrologists in Houston · All nephrologists in Texas