Anesthesiologists in Wisconsin
Data updated monthly · Last refresh October 2026
1,319 Anesthesiology providers practice in Wisconsin, including 19 (1%) offering telehealth. The largest concentration is in Milwaukee. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
1,319providers
19telehealth
Milwaukeetop city
Anesthesiology by city in Wisconsin
Choose a city to see providers there.
Anesthesiology providers in Wisconsin
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. William Mason, D.O.Wausau, WI · No drug or device payments recorded (2025) ·
(715) 845-5505 Dr. Zaven Boornazian, M.D.Wausau, WI · No drug or device payments recorded (2025) ·
(715) 845-5505 Dr. Craig Cook, MDWauwatosa, WI · No drug or device payments recorded (2025) ·
(414) 358-5431 Dr. Jaimee Neben, M.D.Wauwatosa, WI · No drug or device payments recorded (2025) ·
(262) 391-8866 Dr. Joan Stetzer, MDWauwatosa, WI · No drug or device payments recorded (2025) ·
(414) 774-9227 Dr. Joshua Covington, D.O.Wauwatosa, WI · $20 in drug and device payments (2025) ·
(757) 535-4516 Dr. Khalid Al Abdul Raheem, B.SWauwatosa, WI · No drug or device payments recorded (2025) ·
(414) 358-5431 Dr. Ksenija Modric Jednacak, M.D.Wauwatosa, WI · No drug or device payments recorded (2025) ·
(414) 774-4074 Dr. Laurie Amundsen, MDWauwatosa, WI · No drug or device payments recorded (2025) ·
(414) 358-5431 Dr. Maryam Doyle, MDWauwatosa, WI · No drug or device payments recorded (2025) ·
(414) 774-9227 Dr. Miguel Angel Fernandez Vaquero, MD, PHDWauwatosa, WI · No drug or device payments recorded (2025) ·
(414) 805-8700 Dr. Nnamdi Otuwa, M.D.Wauwatosa, WI · No drug or device payments recorded (2025) ·
(414) 479-7000 Dr. Shalini Sharma, M.D.Wauwatosa, WI · No drug or device payments recorded (2025) ·
(414) 805-6104 Dr. Shibani Bhattacharyya, M.D.Wauwatosa, WI · No drug or device payments recorded (2025) ·
(804) 878-0278 Dr. Shreema Sawlani, MDWauwatosa, WI · No drug or device payments recorded (2025) ·
(414) 358-5452 Dr. Theresa Richter, MDWauwatosa, WI · $27 in drug and device payments (2025) ·
(262) 787-6737 Dr. William Wood, MDWauwatosa, WI · No drug or device payments recorded (2025) ·
(414) 526-9683 Dr. Abel Chinos, MDWest Allis, WI · No drug or device payments recorded (2025) ·
(414) 328-6000 Dr. Ayse Kula, M.DWest Allis, WI · No drug or device payments recorded (2025) ·
(414) 328-6000 Dr. Bret Borowski, M.D.West Allis, WI · No drug or device payments recorded (2025) ·
(414) 328-6000 Dr. Catherine Kuo, M.D.West Allis, WI · No drug or device payments recorded (2025) ·
(414) 805-8700 Dr. Chenyang Zhang, MDWest Allis, WI · $3,223 in drug and device payments (2025) ·
(414) 328-6000 Dr. Clifford Opatken, M.D.West Allis, WI · No drug or device payments recorded (2025) ·
(414) 328-6000 Dr. Craig Pierstorff, M.D.West Allis, WI · No drug or device payments recorded (2025) ·
(414) 443-2732 Dr. Daniel Hellman, M.D.West Allis, WI · No drug or device payments recorded (2025) ·
(414) 321-7850 Dr. Daniel Smullen, M.D.West Allis, WI · No drug or device payments recorded (2025) ·
(414) 329-4300 Dr. Eduards Vucins, M.D.West Allis, WI · No drug or device payments recorded (2025) ·
(414) 328-6000 Dr. Eric Hoyme, MDWest Allis, WI · $164 in drug and device payments (2025) ·
(414) 329-4399 Dr. James Rusch, M.D.West Allis, WI · No drug or device payments recorded (2025) ·
(414) 328-6000 Dr. John Amuzu, M.D.West Allis, WI · No drug or device payments recorded (2025) ·
(414) 328-6000 Dr. Jon Brethauer, D.O.West Allis, WI · No drug or device payments recorded (2025) ·
(414) 328-6000 Dr. Joshua White, M.D.West Allis, WI · $1,517 in drug and device payments (2025) ·
(414) 328-6000 Dr. Katie Tuler, MDWest Allis, WI · No drug or device payments recorded (2025) ·
(414) 329-4300 Dr. Kirsten Simanonok, MDWest Allis, WI · No drug or device payments recorded (2025) ·
(414) 328-6000 Dr. Lily Qian, MDWest Allis, WI · No drug or device payments recorded (2025) ·
(414) 328-6000 Dr. Mark Nelson, M.D.West Allis, WI · No drug or device payments recorded (2025) ·
(414) 328-6000 Dr. Mark Schaefer, M.D.West Allis, WI · No drug or device payments recorded (2025) ·
(414) 329-4300 Dr. Mark Wilcox, M.D.West Allis, WI · $26 in drug and device payments (2025) ·
(414) 328-6000 Dr. Michael StantonWest Allis, WI · No drug or device payments recorded (2025) ·
(414) 328-6000 Dr. Nathan Gabler, M.D.West Allis, WI · No drug or device payments recorded (2025) ·
(414) 328-6000 Dr. Nicholas FosterWest Allis, WI · No drug or device payments recorded (2025) ·
(414) 328-6000 Dr. Randall Yale, M.D.West Allis, WI · No drug or device payments recorded (2025) ·
(414) 328-6000 Dr. Robert OlsonWest Allis, WI · No drug or device payments recorded (2025) ·
(414) 328-6000 Dr. Robert O'quinn, M.D.West Allis, WI · No drug or device payments recorded (2025) ·
(414) 328-6000 Dr. Thomas Langer, MDWest Allis, WI · No drug or device payments recorded (2025) ·
(414) 328-6000 Dr. Vera Slavic-svircev, M.D.West Allis, WI · No drug or device payments recorded (2025) ·
(414) 328-6000 Dr. Adam Saugen, D.O.West Bend, WI · No drug or device payments recorded (2025) ·
(262) 836-7300 Dr. Braeden O'neill, DOWest Bend, WI · No drug or device payments recorded (2025) ·
(262) 836-7300 Dr. Brian Novinska, MDWest Bend, WI · No drug or device payments recorded (2025) ·
(262) 836-7300 Dr. Christopher Leichliter, M.D.West Bend, WI · $165 in drug and device payments (2025) ·
(262) 334-2400 Common questions
How many Anesthesiology providers are in Wisconsin?There are 1,319 Anesthesiology providers with active NPI records practicing in Wisconsin, according to federal NPPES data refreshed monthly.
Do Anesthesiology providers in Wisconsin offer telehealth?Yes. 19 of the 1,319 Anesthesiology providers in Wisconsin (about 1%) report offering telehealth services in CMS data.
Which cities in Wisconsin have the most Anesthesiology providers?Milwaukee (392), Madison (283), Green Bay (55) have the highest concentration of Anesthesiology providers in Wisconsin.
How many Anesthesiology providers in Wisconsin received drug or device company payments?252 of 1,319 Anesthesiology providers in Wisconsin (19%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Anesthesiologists in Wisconsin work in independent practices or large health systems?Among 755 Anesthesiologists in Wisconsin enrolled in Medicare, 2% bill through a solo or small practice with fewer than 10 clinicians, 23% through a mid-size group of 10 to 99, and 76% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Anesthesiologists in Wisconsin work at?According to CMS facility affiliation records, the Wisconsin hospitals where the most Anesthesiologists hold privileges are University of Wi Hospitals & Clinics Authority in Madison; Froedtert Memorial Lutheran Hospital in Milwaukee; Aurora St Lukes Medical Center in Milwaukee.
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