Skip to content

Bill K. Chang, MD

NPI 1043321698ActiveIndividual· Surgery, Vascular Surgery· Houston, TX

Surgery, Vascular Surgery (MD) in Houston, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 2000). In 2024 Medicare paid $284,048 for 296 patients, and Part D covered 393 of their prescriptions, 85% of them generic. Endologix LLC was the largest of 13 companies reporting payments in 2025, $1,080 in all, mostly food and beverage.

Overview

NPI1043321698
StatusActive
Entity typeIndividual
CredentialMD
Sole proprietorNo
NPI issuedAug 31, 2006
Last updated in NPPESMay 17, 2024
Certified by providerMay 17, 2024

Specialties and licenses

TaxonomyCodeLicenseState
Surgery, Vascular Surgery Primary2086S0129XM3980TX

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 - Vascular Surgery (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients296
Services billed1,471 across 86 procedure codes
Paid by Medicare$284,048

Part D prescriptions in 2024

Prescriptions (claims)393 · 607 30-day fills
Patients201
Total drug cost$61,624
Generic share85% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Texas Southwestern Medical School at Dallas
Graduation year2000
Medicare specialtyVascular Surgery
Secondary specialtiesGeneral Surgery

Medical group

Hospital affiliation

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,080 · 28 payments from 13 companies
  • 2024$307.12 · 9 payments from 7 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,080 · 28 payments

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

Other Surgery, Vascular Surgery providers in Houston

All Surgery, Vascular Surgery providers in Texas →