Medical College of Wisconsin Division of Pediatric Surgery - Faculty and Advanced Practice Providers
Faculty
![headshot](https://opd-resources.mcw.edu/FileLibrary/OPD/Providers/photos/Lal_Dave20220111.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
Dave Lal, MD, MPH
Chief, Professor
![headshot](https://opd-resources.mcw.edu/FileLibrary/OPD/Providers/photos/Aiken_John_2011.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
John J. Aiken, MD
Professor
![headshot](https://opd-resources.mcw.edu/FileLibrary/OPD/Providers/photos/Calkins_Casey20220111.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
Casey Matthew Calkins, MD
Professor
![headshot](https://opd-resources.mcw.edu/FileLibrary/OPD/Providers/photos/CraigBrian-ProfessionalPhoto002-8-2020.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
Brian T. Craig, MD
Assistant Professor
![headshot](https://opd-resources.mcw.edu/FileLibrary/OPD/Providers/photos/Densmore_John2010.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
John C. Densmore, MD
Professor
![headshot](https://opd-resources.mcw.edu/FileLibrary/OPD/Providers/photos/Flynn-OBrienKaty_20220111.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
Katherine T. Flynn-O'Brien, MD, MPH
Assistant Professor
![headshot](https://opd-resources.mcw.edu/FileLibrary/OPD/Providers/photos/Gourlay_David20200218.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
David M. Gourlay, MD
Professor; Surgeon-in-Chief, Children's Wisconsin
![headshot](/-/media/MCW/Departments/Pharmacology-and-Toxicology/People/Kirkwood-Pritchard_Academic-Proile.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
Kirkwood A. Pritchard, Jr., PhD
Professor
![headshot](https://opd-resources.mcw.edu/FileLibrary/OPD/Providers/photos/SalazarOsuna_Jose-2021photo-labcoat.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
Jose Salazar Osuna, MD
Assistant Professor
![headshot](https://opd-resources.mcw.edu/FileLibrary/OPD/Providers/photos/Schneider_Jack20220111.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
John G. Schneider, MD
Assistant Professor
![headshot](https://opd-resources.mcw.edu/FileLibrary/OPD/Providers/photos/Wagner_Amy20220111.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
Amy Wagner, MD
Professor
![headshot](/-/media/MCW/Departments/Surgery/Pediatric-Surgery/Keith-Oldham_Academic-Profile2.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
Keith T. Oldham, MD
Emeritus Professor of Surgery
![headshot](/-/media/MCW/Departments/Surgery/Pediatric-Surgery/Thomas-Sato_Academic-Profile.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
Thomas T. Sato, MD
Emeritus Professor of Surgery
Advanced Practice Providers
![headshot](/-/media/MCW/Departments/Surgery/Pediatric-Surgery/Sara-Avery_Academic-Profile.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
Sara Avery, MPAS, PA-C
Physician Assistant
![headshot](/-/media/MCW/Departments/Surgery/Pediatric-Surgery/Susan-Becker_Academic-Profile.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
Susan R. Becker, MPAS, PA-C
Physician Assistant
![headshot](/-/media/MCW/Departments/Surgery/Pediatric-Surgery/Diana-Choren_Academic-Profile.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
Diana Choren, MPAS, PA-C
Physician Assistant
![headshot](/-/media/MCW/Departments/Surgery/Pediatric-Surgery/Terry-Derks_Academic-Profile.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
Terry Derks, BMS-PA, PA-C
Physician Assistant
![headshot](/-/media/MCW/Departments/Surgery/Pediatric-Surgery/Lori-Duesing_Academic-Profile.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
Lori A. Duesing, MSN, RN, CPNP-AC
Nurse Practitioner
![headshot](/-/media/MCW/Departments/Surgery/Pediatric-Surgery/Danielle-Leranth_Academic-Profile.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
Danielle N. Leranth, MPAS, PA-C
Physician Assistant
![headshot](/-/media/MCW/Departments/Surgery/Pediatric-Surgery/Ruth-Swedler_Academic-Profile.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)
Ruth Povlich, MPAS, PA-C
Physician Assistant
![headshot](/-/media/MCW/Departments/Surgery/Pediatric-Surgery/Carly-Windt_Academic-Profile.jpg?w=200&h=275&mode=crop&anchor=middlecenter&scale=both 200w)