Michael Joseph Mackowski, M.D.

NPI 1811212764ActiveIndividual· Surgery· Green Bay, WI

Surgery (M.D.) in Green Bay, Wisconsin, trained at R Franklin University of Med & Sci/Chicago Medical School (class of 2010). 103 Medicare patients in 2024, $24,475 paid; nearly all of their 159 Part D prescriptions were generic (99%). Merck Sharp & Dohme LLC reported $22.30 in payments in 2025, mostly food and beverage.

Overview

NPI	1811212764
Status	Active
Entity type	Individual
Credential	M.D.
Sole proprietor	No
NPI issued	Apr 5, 2010
Last updated in NPPES	May 10, 2017

Specialties and licenses

Taxonomy	Code	License	State
Surgery Primary	208600000X	65029	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 - General Surgery (WI)
Accepts assignment	Yes (participating)

Medicare services in 2024

Medicare patients	103
Services billed	224 across 48 procedure codes
Paid by Medicare	$24,475

Part D prescriptions in 2024

Prescriptions (claims)	159 · 159 30-day fills
Patients	74
Total drug cost	$959.50
Generic share	99% of claims

Medicare sources and data years

Education and affiliations

Medical school	R Franklin University of Med & Sci/Chicago Medical School
Graduation year	2010
Medicare specialty	General Surgery
Secondary specialties	Critical Care (Intensivists)