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. Mark Wenck, M.D.Green Bay, WI · No drug or device payments recorded (2025) ·
(920) 433-0111 Dr. Marshall Longnecker, M.D.Green Bay, WI · No drug or device payments recorded (2025) ·
(920) 433-3500 Dr. Matthew Schettle, DOGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 433-3500 Dr. Michael Blalock, MDGreen Bay, WI · $28 in drug and device payments (2025) ·
(920) 433-0111 Dr. Michael Gruesen, D.O.Green Bay, WI · $38 in drug and device payments (2025) ·
(920) 433-0111 Dr. Michael Johnson, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(877) 229-0273 Dr. Michael Pierson, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(877) 229-0273 Dr. Neil Gillespie, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 562-4401 Dr. Patrick Wagner, M.D.Green Bay, WI · $15 in drug and device payments (2025) ·
(920) 857-0894 Dr. Paul AndersonGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 433-3500 Dr. Paul Luikart, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 288-3388 Dr. Peter Saros, M.D.Green Bay, WI · $15 in drug and device payments (2025) ·
(920) 433-0111 Dr. Reginald Julien, M.D.Green Bay, WI · No drug or device payments recorded (2025) ·
(920) 433-0111 Dr. Richard Tschoeke, M.D.Green Bay, WI · No drug or device payments recorded (2025) ·
(920) 433-3500 Dr. Robert Bjoraker, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 288-3388 Dr. Robert Griesser, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 288-3388 Dr. Ryan Johnson, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 288-3388 Dr. Saied Assef, M.D.Green Bay, WI · No drug or device payments recorded (2025) ·
(920) 433-3500 Dr. Scott Hodgdon, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 288-3388 Dr. Shane Gillespie, D.O.Green Bay, WI · No drug or device payments recorded (2025) ·
(920) 288-3388 Dr. Stephan Foster, M.D.Green Bay, WI · No drug or device payments recorded (2025) ·
(920) 433-3500 Dr. Stephen Brada, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 288-3388 Dr. Stephen Janquart, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 288-3388 Dr. Talitha Davies, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(920) 433-8333 Dr. Thomas Farley, M.D.Green Bay, WI · $30 in drug and device payments (2025) ·
(920) 498-4200 Dr. Thomas Marshall, M.D.Green Bay, WI · No drug or device payments recorded (2025) ·
(920) 433-3500 Dr. Timothy Cooper, MDGreen Bay, WI · No drug or device payments recorded (2025) ·
(877) 229-0273 Dr. Walter Ratschan, M.D.Green Bay, WI · No drug or device payments recorded (2025) ·
(920) 433-3500 Dr. Marco Araujo, MDGreenfield, WI · $15 in drug and device payments (2025) ·
(414) 325-7246 Dr. Marissa Lowenthal, M.D.Greenfield, WI · No drug or device payments recorded (2025) ·
(414) 246-6800 Dr. Scott Aschenbrener, M.D.Greenfield, WI · No drug or device payments recorded (2025) ·
(414) 325-7246 Dr. Adam Forshaw, M.D.Janesville, WI · No drug or device payments recorded (2025) ·
(608) 756-6000 Dr. Andreea Lapusca, MDJanesville, WI · No drug or device payments recorded (2025) ·
(608) 756-6731 Dr. Ashley Jensen, MDJanesville, WI · $35 in drug and device payments (2025) ·
(608) 373-8000 Dr. Brett Geever, MDJanesville, WI · $40 in drug and device payments (2025) ·
(608) 756-6000 Dr. Charles Smith, CRNAJanesville, WI · $20 in drug and device payments (2025) ·
(608) 756-6000 Dr. David Bayley, M.D.Janesville, WI · No drug or device payments recorded (2025) ·
(608) 373-8000 Dr. Donald Dahlke, CRNAJanesville, WI · No drug or device payments recorded (2025) ·
(608) 756-6000 Dr. Gilberto Enriquez, MDJanesville, WI · No drug or device payments recorded (2025) ·
(608) 756-6018 Dr. Ian Taggart, MDJanesville, WI · No drug or device payments recorded (2025) ·
(608) 756-6731 Dr. James Simmons, MDJanesville, WI · No drug or device payments recorded (2025) ·
(608) 756-6731 Dr. John Shepler, M.D.Janesville, WI · $19 in drug and device payments (2025) ·
(608) 373-8000 Dr. Kathleen Agard, MDJanesville, WI · No drug or device payments recorded (2025) ·
(608) 756-6731 Dr. Kimberly Lunaas, MDJanesville, WI · No drug or device payments recorded (2025) ·
(608) 756-6000 Dr. Lisa Millard, MDJanesville, WI · No drug or device payments recorded (2025) ·
(608) 756-6000 Dr. Mark Hautala, M.D.Janesville, WI · No drug or device payments recorded (2025) ·
(608) 756-6731 Dr. Marwan Abdulsattar, MDJanesville, WI · No drug or device payments recorded (2025) ·
(608) 756-6731 Dr. Matthew Heniges, MDJanesville, WI · No drug or device payments recorded (2025) ·
(608) 756-6731 Dr. Reina Heckburn, MDJanesville, WI · No drug or device payments recorded (2025) ·
(608) 756-6868 Dr. Richard Galgon, M.D., M.S.Janesville, WI · $2,542 in drug and device payments (2025) ·
(608) 373-8000 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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