John Stewart Adams, M.D.

NPI 1578542338ActiveIndividual· Internal Medicine, Infectious Disease· Knoxville, TN

Internal Medicine, Infectious Disease (M.D.) in Knoxville, Tennessee, trained at University of North Carolina at Chapel Hill School of Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $1,543,709 for 1,002 claims, against $62,736 paid for services in 2024. Laborie Medical Technologies Corp. reported $17.76 in payments in 2025, mostly food and beverage.

Overview

NPI	1578542338
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Jan 11, 2006
Last updated in NPPES	Jun 13, 2025
Certified by provider	Jul 19, 2021

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Infectious Disease Primary	207RI0200X	18808	TN
Specialist	174400000X	MD018808	TN

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 - Infectious Disease (TN)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	139
Services billed	7,615 across 30 procedure codes
Paid by Medicare	$62,736

Part D prescriptions in 2024

Prescriptions (claims)	1,002 · 1,354 30-day fills
Patients	136
Total drug cost	$1,543,709
Generic share	64% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of North Carolina at Chapel Hill School of Medicine
Graduation year	1981
Medicare specialty	Infectious Disease
Telehealth	Offers telehealth