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Andrew J. Chang, MD, MPH

NPI 1982964318ActiveIndividual· Otolaryngology· Rockwall, TX

Otolaryngology (MD, MPH) in Rockwall, Texas, trained at University of Texas Medical School at San Antonio (class of 2012). 451 Medicare patients in 2024, $101,544 paid; nearly all of their 380 Part D prescriptions were generic (98%). Glaxosmithkline, LLC. was the largest of 10 companies reporting payments in 2025, $1,142 in all, mostly food and beverage.

Overview

NPI1982964318
StatusActive
Entity typeIndividual
CredentialMD, MPH
Sole proprietorNo
NPI issuedMay 18, 2012
Last updated in NPPESDec 3, 2020
Certified by providerDec 3, 2020

Specialties and licenses

TaxonomyCodeLicenseState
Otolaryngology Primary207Y00000XQ4732TX

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 - Otolaryngology (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients451
Services billed2,975 across 47 procedure codes
Paid by Medicare$101,544

Part D prescriptions in 2024

Prescriptions (claims)380 · 579 30-day fills
Patients150
Total drug cost$7,032
Generic share98% of claims

Medicare sources and data years

Education and affiliations

Medical schoolUniversity of Texas Medical School at San Antonio
Graduation year2012
Medicare specialtyOtolaryngology

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,142 · 34 payments from 10 companies
  • 2024$1,072 · 17 payments from 9 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,142 · 34 payments

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

Other Otolaryngology providers in Rockwall

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