NPI Lens

Liem Thanh Nguyen, M.D.

NPI 1982865952ActiveIndividual· Internal Medicine· San Angelo, TX

Internal Medicine (M.D.) with Quantum Emergency Physicians PA, practicing in San Angelo, Texas. 332 Medicare patients in 2024, $80,457 paid; nearly all of their 543 Part D prescriptions were generic (93%). Lists Hendrick Medical Center as a hospital affiliation.

Overview

NPI1982865952
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedJun 22, 2008
Last updated in NPPESJan 18, 2012

Specialties and licenses

TaxonomyCodeLicenseState
Internal Medicine Primary207R00000XP0453TX

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 - Internal Medicine (TX)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients332
Services billed1,143 across 8 procedure codes
Paid by Medicare$80,457

Part D prescriptions in 2024

Prescriptions (claims)543 · 653 30-day fills
Patients193
Total drug cost$18,859
Generic share93% of claims

Medicare sources and data years

Education and affiliations

Graduation year2008
Medicare specialtyInternal Medicine

Medical group

Hospital affiliation

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

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

Other internal medicine physicians in San Angelo

All 63 internal medicine physicians in San Angelo · All internal medicine physicians in Texas