Terrence P. Lenahan, MD

NPI 1194815167ActiveIndividual· Internal Medicine, Pulmonary Disease· Scranton, PA

Internal Medicine, Pulmonary Disease (MD) in Scranton, Pennsylvania, trained at Jefferson Medical College of Thomas Jefferson University (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $583,207 for 1,626 claims, against $63,844 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 3 companies reporting payments in 2025, $108.19 in all, mostly food and beverage.

Overview

NPI	1194815167
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Oct 13, 2006
Last updated in NPPES	Jan 21, 2022
Certified by provider	Jan 21, 2022

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Pulmonary Disease Primary	207RP1001X	MD043075E	PA

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 - Pulmonary Disease (PA)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	420
Services billed	1,340 across 26 procedure codes
Paid by Medicare	$63,844

Part D prescriptions in 2024

Prescriptions (claims)	1,626 · 2,384 30-day fills
Patients	335
Total drug cost	$583,207
Generic share	61% of claims

Medicare sources and data years

Education and affiliations

Medical school	Jefferson Medical College of Thomas Jefferson University
Graduation year	1987
Medicare specialty	Pulmonary Disease
Secondary specialties	Critical Care (Intensivists)