Vien Thuy Pham, MD

NPI 1043654114ActiveIndividual· Internal Medicine· Livingston, TX

Internal Medicine (MD) in Livingston, Texas, trained at University of Texas Southwestern Medical School at Dallas (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $578,070 for 7,215 claims, against $47,479 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 5 companies reporting payments in 2025, $81.64 in all, mostly food and beverage.

Overview

NPI	1043654114
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Apr 19, 2013
Last updated in NPPES	Oct 17, 2019

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine Primary	207R00000X	Q1264	TX

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Oct 9, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 10, 2026	No match	—
New York OMIG · Nov 10, 2026	No match	—
Ohio Medicaid · Nov 10, 2026	No match	—
Pennsylvania Medicheck · Nov 10, 2026	No match	—
Washington HCA · Nov 10, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Internal Medicine (TX)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	140
Services billed	4,672 across 49 procedure codes
Paid by Medicare	$47,479

Part D prescriptions in 2024

Prescriptions (claims)	7,215 · 14,491 30-day fills
Patients	405
Total drug cost	$578,070
Generic share	88% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Texas Southwestern Medical School at Dallas
Graduation year	2016
Medicare specialty	Internal Medicine
Telehealth	Offers telehealth