John M. Mahowald, MD

NPI 1952303570ActiveIndividual· Internal Medicine, Cardiovascular Disease· Saint Cloud, MN

Internal Medicine, Cardiovascular Disease (MD) in Saint Cloud, Minnesota, trained at University of Minnesota Medical School (class of 1977). Their prescriptions cost Medicare Part D more than their services did: $512,881 for 2,865 claims, against $37,396 paid for services in 2024. Boehringer Ingelheim Pharmaceuticals, Inc. reported $27.09 in payments in 2025, mostly food and beverage.

Overview

NPI	1952303570
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Aug 12, 2005
Last updated in NPPES	Oct 12, 2011

Specialties and licenses

Taxonomy	Code	License	State
Internal Medicine, Cardiovascular Disease Primary	207RC0000X	25694	MN

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 - Cardiovascular Disease (Cardiology) (MN)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	281
Services billed	497 across 22 procedure codes
Paid by Medicare	$37,396

Part D prescriptions in 2024

Prescriptions (claims)	2,865 · 7,302 30-day fills
Patients	463
Total drug cost	$512,881
Generic share	84% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Minnesota Medical School
Graduation year	1977
Medicare specialty	Cardiovascular Disease (Cardiology)
Secondary specialties	Internal Medicine
Telehealth	Offers telehealth