Charles Joseph Allderdice, M.D.

NPI 1104262096ActiveIndividual· Internal Medicine, Interventional Cardiology· Knoxville, TN

Internal Medicine, Interventional Cardiology (M.D.) in Knoxville, Tennessee, trained at University of Tennessee, Hsc, College of Medicine (class of 2013). Their prescriptions cost Medicare Part D more than their services did: $836,122 for 3,500 claims, against $120,334 paid for services in 2024. Boston Scientific Corporation was the largest of 2 companies reporting payments in 2025, $128.32 in all, mostly food and beverage.

Overview

NPI	1104262096
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	May 17, 2013
Last updated in NPPES	Aug 14, 2020
Certified by provider	Aug 14, 2020

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Interventional Cardiology Primary	207RI0011X	61180	TN
Internal Medicine, Cardiovascular Disease	207RC0000X	61180	TN

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 4, 2026	No match	—
New York OMIG · Nov 4, 2026	No match	—
Ohio Medicaid · Nov 4, 2026	No match	—
Pennsylvania Medicheck · Nov 4, 2026	No match	—
Washington HCA · Nov 4, 2026	No match	—

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

Medicare

Enrollment (PECOS)	Enrolled Practitioner - Interventional Cardiology (TN)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	1,659
Services billed	2,991 across 58 procedure codes
Paid by Medicare	$120,334

Part D prescriptions in 2024

Prescriptions (claims)	3,500 · 8,660 30-day fills
Patients	608
Total drug cost	$836,122
Generic share	78% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Tennessee, Hsc, College of Medicine
Graduation year	2013
Medicare specialty	Interventional Cardiology
Secondary specialties	Cardiovascular Disease (Cardiology)