Terrence Barrett, MD

NPI 1396719977ActiveIndividual· Internal Medicine, Gastroenterology· Lexington, KY

Internal Medicine, Gastroenterology (MD) in Lexington, Kentucky, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 1983). Their prescriptions cost Medicare Part D more than their services did: $4,300,649 for 686 claims, against $18,646 paid for services in 2024. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $476.59 in all, mostly food and beverage.

Overview

NPI	1396719977
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Feb 13, 2006
Last updated in NPPES	May 28, 2014

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Gastroenterology Primary	207RG0100X	46111	KY
Internal Medicine	207R00000X	46111	KY

About license numbers in NPPES

Exclusion screening

List	Result	Details
HHS-OIG LEIE · Nov 10, 2026	No match	Checked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026	No match	—
New York OMIG · Nov 11, 2026	No match	—
Ohio Medicaid · Nov 11, 2026	No match	—
Pennsylvania Medicheck · Nov 11, 2026	No match	—
Washington HCA · Nov 11, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Gastroenterology (KY)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	108
Services billed	189 across 26 procedure codes
Paid by Medicare	$18,646

Part D prescriptions in 2024

Prescriptions (claims)	686 · 861 30-day fills
Patients	122
Total drug cost	$4,300,649
Generic share	40% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Graduation year	1983
Medicare specialty	Gastroenterology
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth