Steven E. Cattapan, MD

NPI 1457328148ActiveIndividual· Internal Medicine, Pulmonary Disease· Madison, WI

Internal Medicine, Pulmonary Disease (MD) in Madison, Wisconsin, trained at Loyola University of Chicago, Stritch School of Medicine (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $176,401 for 464 claims, against $40,319 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $50.11 in payments in 2025, mostly food and beverage.

Overview

NPI	1457328148
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Mar 2, 2006
Last updated in NPPES	Jan 5, 2021
Certified by provider	Jan 5, 2021

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Pulmonary Disease Primary	207RP1001X	44634	WI
Internal Medicine, Critical Care Medicine	207RC0200X	44634	WI
Internal Medicine, Sleep Medicine	207RS0012X	44634	WI

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

Medicare services in 2024

Medicare patients	253
Services billed	784 across 48 procedure codes
Paid by Medicare	$40,319

Part D prescriptions in 2024

Prescriptions (claims)	464 · 738 30-day fills
Patients	97
Total drug cost	$176,401
Generic share	47% of claims

Medicare sources and data years

Education and affiliations

Medical school	Loyola University of Chicago, Stritch School of Medicine
Graduation year	1996
Medicare specialty	Pulmonary Disease
Secondary specialties	Critical Care (Intensivists), Sleep Medicine