Medical College of Wisconsin Affiliated Hospitals, Inc Colon and Rectal Surgery

Residency · Milwaukee, WI

Sponsored by Medical College of Wisconsin Affiliated Hospitals, Inc · Director Carrie Peterson

Carrie Peterson, MD, MS
Program Director
Colorectal surgeon, Professor at Medical College of Wisconsin Affiliated Hospitals, Inc
Jed Calata, MD
Assistant Program Director
Surgery resident, Medical College of Wisconsin Affiliated Hospitals, Inc
Kirk Ludwig, MD
Chief, Professor
Colorectal surgeon, Professor of Surgery at Medical College of Wisconsin Affiliated Hospitals, Inc
Alexandria Phan, MD
Professor
Oncologist, Professor at Medical College of Wisconsin Affiliated Hospitals, Inc
Chelsea Brackmann
Physician Assistant
Physician assistant in colon and rectal surgery at Medical College of Wisconsin Affiliated Hospitals, Inc
Conor Kinford, MD
Colorectal Surgery Fellow, 2026-2027
Colorectal Surgery Fellow, 2026-2027
Cristina Felix, MSN
Nurse Practitioner
Family nurse practitioner in colon and rectal surgery at Medical College of Wisconsin Affiliated Hospitals, Inc
Daniel Stein, MD
Director, Vice Chair for Education, Professor
Gastroenterologist, Professor of Medicine (Gastroenterology at Medical College of Wisconsin Affiliated Hospitals, Inc
James Thomas, MD, PhD
Professor
Oncologist, Professor at Medical College of Wisconsin Affiliated Hospitals, Inc
Janice Zhao, MD
Assistant Professor
Oncologist, Assistant Professor at Medical College of Wisconsin Affiliated Hospitals, Inc
John Touzios, MD
Assistant Clinical Professor of Surgery, MCW; Surgeon, Waukesha Surgical Specialists
Colorectal surgeon, Assistant Clinical Professor of Surgery at Medical College of Wisconsin Affiliated Hospitals, Inc
Justin Dux, MD
Assistant Clinical Professor of Surgery, MCW; Surgeon, Waukesha Surgical Specialists
Colorectal surgeon, Assistant Clinical Professor of Surgery at Medical College of Wisconsin Affiliated Hospitals, Inc
Katherine Hu, MD
Assistant Professor
Colorectal surgeon, Assistant Professor at Medical College of Wisconsin Affiliated Hospitals, Inc
Katie Swanson
Physician Assistant
Physician assistant in colon and rectal surgery at Medical College of Wisconsin Affiliated Hospitals, Inc
Kimberly Spitz, MSN
Nurse Practitioner
Family nurse practitioner in colon and rectal surgery at Medical College of Wisconsin Affiliated Hospitals, Inc
Nicole Kellner, MSN
Nurse Practitioner
Nurse practitioner in colon and rectal surgery at Medical College of Wisconsin Affiliated Hospitals, Inc
Sam Wolff
Physician Assistant
Physician assistant in colon and rectal surgery at Marquette University
Sarah Lundeen, MSN
Nurse Practitioner
Nurse practitioner in colon and rectal surgery at Medical College of Wisconsin Affiliated Hospitals, Inc
Sherin Ampanattu, MD
Assistant Professor
Oncologist, Assistant Professor at Medical College of Wisconsin Affiliated Hospitals, Inc
Stuart Wong, MD
Center Director, Professor
Oncologist, Professor at Medical College of Wisconsin Affiliated Hospitals, Inc
Timothy Ridolfi, MD, MS
Professor
Colorectal surgeon, Professor at Medical College of Wisconsin Affiliated Hospitals, Inc

Carrie Peterson, MD, MS
Program Director
Colorectal surgeon, Professor at Medical College of Wisconsin Affiliated Hospitals, Inc
Jed Calata, MD
Assistant Program Director
Surgery resident, Medical College of Wisconsin Affiliated Hospitals, Inc
Kirk Ludwig, MD
Chief, Professor
Colorectal surgeon, Professor of Surgery at Medical College of Wisconsin Affiliated Hospitals, Inc
Alexandria Phan, MD
Professor
Oncologist, Professor at Medical College of Wisconsin Affiliated Hospitals, Inc
Chelsea Brackmann
Physician Assistant
Physician assistant in colon and rectal surgery at Medical College of Wisconsin Affiliated Hospitals, Inc
Conor Kinford, MD
Colorectal Surgery Fellow, 2026-2027
Colorectal Surgery Fellow, 2026-2027
Cristina Felix, MSN
Nurse Practitioner
Family nurse practitioner in colon and rectal surgery at Medical College of Wisconsin Affiliated Hospitals, Inc
Daniel Stein, MD
Director, Vice Chair for Education, Professor
Gastroenterologist, Professor of Medicine (Gastroenterology at Medical College of Wisconsin Affiliated Hospitals, Inc
James Thomas, MD, PhD
Professor
Oncologist, Professor at Medical College of Wisconsin Affiliated Hospitals, Inc
Janice Zhao, MD
Assistant Professor
Oncologist, Assistant Professor at Medical College of Wisconsin Affiliated Hospitals, Inc
John Touzios, MD
Assistant Clinical Professor of Surgery, MCW; Surgeon, Waukesha Surgical Specialists
Colorectal surgeon, Assistant Clinical Professor of Surgery at Medical College of Wisconsin Affiliated Hospitals, Inc
Justin Dux, MD
Assistant Clinical Professor of Surgery, MCW; Surgeon, Waukesha Surgical Specialists
Colorectal surgeon, Assistant Clinical Professor of Surgery at Medical College of Wisconsin Affiliated Hospitals, Inc
Katherine Hu, MD
Assistant Professor
Colorectal surgeon, Assistant Professor at Medical College of Wisconsin Affiliated Hospitals, Inc
Katie Swanson
Physician Assistant
Physician assistant in colon and rectal surgery at Medical College of Wisconsin Affiliated Hospitals, Inc
Kimberly Spitz, MSN
Nurse Practitioner
Family nurse practitioner in colon and rectal surgery at Medical College of Wisconsin Affiliated Hospitals, Inc
Nicole Kellner, MSN
Nurse Practitioner
Nurse practitioner in colon and rectal surgery at Medical College of Wisconsin Affiliated Hospitals, Inc
Sam Wolff
Physician Assistant
Physician assistant in colon and rectal surgery at Marquette University
Sarah Lundeen, MSN
Nurse Practitioner
Nurse practitioner in colon and rectal surgery at Medical College of Wisconsin Affiliated Hospitals, Inc
Sherin Ampanattu, MD
Assistant Professor
Oncologist, Assistant Professor at Medical College of Wisconsin Affiliated Hospitals, Inc
Stuart Wong, MD
Center Director, Professor
Oncologist, Professor at Medical College of Wisconsin Affiliated Hospitals, Inc
Timothy Ridolfi, MD, MS
Professor
Colorectal surgeon, Professor at Medical College of Wisconsin Affiliated Hospitals, Inc