Stephen R. Bartos, MD

NPI 1083601645ActiveIndividual· Surgery· Waukesha, WI

Surgery (MD) in Waukesha, Wisconsin, trained at University of Wisconsin School of Medicine (class of 1987). 326 Medicare patients in 2024, $44,514 paid; nearly all of their 110 Part D prescriptions were generic (98%). Intuitive Surgical, Inc. reported $475.17 in payments in 2025, mostly food and beverage.

Overview

NPI	1083601645
Status	Active
Entity type	Individual
Credential	MD
Sole proprietor	No
NPI issued	Sep 29, 2005
Last updated in NPPES	Apr 24, 2019

Specialties and licenses

Taxonomy	Code	License	State
Surgery Primary	208600000X	37461	WI
Surgery, Vascular Surgery	2086S0129X	37461	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 4, 2026	No match	—
New York OMIG · Nov 4, 2026	No match	—
Ohio Medicaid · Nov 4, 2026	No match	—
Pennsylvania Medicheck · Nov 4, 2026	No match	—
Washington HCA · Nov 4, 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	326
Services billed	439 across 62 procedure codes
Paid by Medicare	$44,514

Part D prescriptions in 2024

Prescriptions (claims)	110 · 201 30-day fills
Patients	56
Total drug cost	$2,378
Generic share	98% of claims

Medicare sources and data years

Education and affiliations

Medical school	University of Wisconsin School of Medicine
Graduation year	1987
Medicare specialty	General Surgery
Secondary specialties	Peripheral Vascular Disease, Vascular Surgery