Douglas Adkisson, MD

NPI 1902953896ActiveIndividual· Hospitalist· Greeneville, TN

Hospitalist (MD) in Greeneville, Tennessee, trained at Vanderbilt University School of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $860,449 for 6,959 claims, against $145,866 paid for services in 2024. Amgen Inc. was the largest of 5 companies reporting payments in 2025, $361.63 in all, mostly food and beverage.

Overview

NPI	1902953896
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jan 4, 2007
Last updated in NPPES	Jun 18, 2015

Specialties and licenses

Taxonomy	Code	License	State
Hospitalist Primary	208M00000X	42193	TN
Internal Medicine	207R00000X	42193	TN
Internal Medicine, Cardiovascular Disease	207RC0000X	42193	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 - Internal Medicine (TN)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	1,145
Services billed	2,829 across 44 procedure codes
Paid by Medicare	$145,866

Part D prescriptions in 2024

Prescriptions (claims)	6,959 · 15,207 30-day fills
Patients	811
Total drug cost	$860,449
Generic share	87% of claims

Medicare sources and data years

Education and affiliations

Medical school	Vanderbilt University School of Medicine
Graduation year	2005
Medicare specialty	Internal Medicine
Secondary specialties	Cardiovascular Disease (Cardiology)
Telehealth	Offers telehealth