Leonard Hart Armstrong, MD

NPI 1538314695ActiveIndividual· Surgery· Saint Paul, MN

Surgery (MD) in Saint Paul, Minnesota, trained at Washington University School of Medicine (class of 2006). In 2024 Medicare paid $64,776 for 244 patients, and Part D covered 465 of their prescriptions, 78% of them generic. Medtronic, Inc. reported $79.88 in payments in 2024, mostly food and beverage.

Overview

NPI	1538314695
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Nov 17, 2008
Last updated in NPPES	Jan 28, 2025
Certified by provider	Jan 28, 2025

Specialties and licenses

Taxonomy	Code	License	State
Surgery Primary	208600000X	51319	MN

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 - General Surgery (MN)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	244
Services billed	606 across 51 procedure codes
Paid by Medicare	$64,776

Part D prescriptions in 2024

Prescriptions (claims)	465 · 469 30-day fills
Patients	272
Total drug cost	$7,749
Generic share	78% of claims

Medicare sources and data years

Education and affiliations

Medical school	Washington University School of Medicine
Graduation year	2006
Medicare specialty	General Surgery
Secondary specialties	Colorectal Surgery (Proctology)