Thomas M. Derrig, MD

NPI 1588779771ActiveIndividual· Surgery· Hartland, WI

Surgery (MD) in Hartland, Wisconsin, trained at University of North Dakota School of Medicine (class of 1996). 279 Medicare patients in 2024, $69,613 paid; nearly all of their 244 Part D prescriptions were generic (93%).

Overview

NPI	1588779771
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Aug 20, 2006
Last updated in NPPES	Sep 25, 2023
Certified by provider	Sep 25, 2023

Specialties and licenses

Taxonomy	Code	License	State
Surgery Primary	208600000X	43080	WI
Surgery	208600000X	7805	ND

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	279
Services billed	573 across 64 procedure codes
Paid by Medicare	$69,613

Part D prescriptions in 2024

Prescriptions (claims)	244 · 374 30-day fills
Patients	106
Total drug cost	$13,733
Generic share	93% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of North Dakota School of Medicine
Graduation year	1996
Medicare specialty	General Surgery

Medical group

Aurora Medical Group, Inc.Milwaukee, WI · 3,813 clinicians

Hospital affiliations

Aurora Medical Center - SummitSummit, WI
Aurora Medical Ctr Washington CountyHartford, 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