Division of Colorectal Surgery
Faculty

Kirk A. Ludwig, MD, FACS, FASCRS
Chief, Professor

Jed Calata, MD, FACS
Assistant Professor

Mary F. Otterson, MD, MS
Professor

Carrie Peterson, MD, MS
Associate Professor

Timothy J. Ridolfi, MD, MS
Associate Professor
Advanced Practice Providers

Courtney Jones, MPAS, PA-C
Physician Assistant

Nicole Kellner, RN, MSN, APNP
Nurse Practitioner

Sarah Lundeen, RN, MSN, APNP
Nurse Practitioner

Kimberly Spitz, RN, MSN, APNP
Nurse Practitioner
