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Colorectal Surgery

Division of Colorectal Surgery

Faculty

Kirk A. Ludwig, MD, FACS, FASCRS

Professor and Chief, Colorectal Surgery; Vernon O. Underwood Professor in Colon Cancer Research

Mary F. Otterson, MD, MS

Professor

Carrie Y. Peterson, MD

Assistant Professor

Timothy J. Ridolfi, MD

Assistant Professor

Advanced Practice Providers

Nicole Kellner, RN, MSN, APNP

Nurse Practitioner
Sarah Lundeen, RN, MSN, APNP

Nurse Practitioner
Kimberly Spitz, RN, MSN, APNP

Nurse Practitioner
Samantha Wolff, MPAS, PA-C

Physician Assistant