Stephen Matthew Asma, MD

NPI 1639103187ActiveIndividual· Family Medicine· De Pere, WI

Family Medicine (MD) in De Pere, Wisconsin, trained at Medical College of Wisconsin (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $392,514 for 7,031 claims, against $21,296 paid for services in 2024.

Overview

NPI	1639103187
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Jul 10, 2006
Last updated in NPPES	Sep 15, 2016

Specialties and licenses

Taxonomy	Code	License	State
Family Medicine Primary	207Q00000X	26910	WI

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 - Family Practice (WI)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	129
Services billed	505 across 37 procedure codes
Paid by Medicare	$21,296

Part D prescriptions in 2024

Prescriptions (claims)	7,031 · 15,825 30-day fills
Patients	564
Total drug cost	$392,514
Generic share	90% of claims

Medicare sources and data years

Education and affiliations

Medical school	Medical College of Wisconsin
Graduation year	1984
Medicare specialty	Family Practice

Medical group

St Vincent Hospital-Hospital Sisters-Third Order of St FrancisGreen Bay, WI · 603 clinicians

Hospital affiliations

St Marys Hospital Medical CtrGreen Bay, WI
St Vincent HospitalGreen Bay, WI

Source: CMS Care Compare

Industry payments (Open Payments)

None reported for 2025 or 2024.

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

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All Family Medicine providers in Wisconsin →