Steven Armbruster, M.D.

NPI 1831280056ActiveIndividual· Internal Medicine, Gastroenterology· Greensboro, NC

Internal Medicine, Gastroenterology (M.D.) in Greensboro, North Carolina, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $704,114 for 1,473 claims, against $56,395 paid for services in 2024. Echosens North America, Inc. reported $17.42 in payments in 2025, mostly food and beverage.

Overview

NPI	1831280056
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Sep 27, 2006
Last updated in NPPES	Aug 23, 2019

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Gastroenterology Primary	207RG0100X	2016-00156	NC

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 - Gastroenterology (NC)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	255
Services billed	803 across 65 procedure codes
Paid by Medicare	$56,395

Part D prescriptions in 2024

Prescriptions (claims)	1,473 · 2,360 30-day fills
Patients	473
Total drug cost	$704,114
Generic share	83% of claims

Medicare sources and data years

Education and affiliations

Medical school	Loyola University of Chicago, Stritch School of Medicine
Graduation year	2005
Medicare specialty	Gastroenterology
Secondary specialties	Internal Medicine