Patient Care
- Find a Doctor
  Find a doctor by specialty or location.
- Care Locations
  Find primary and specialty care near you.
- Departments and Centers
  New knowledge driving discovery to advance the health of our communities.
- Research
  Every discovery advances academic medicine and improves the vitality of our communities.
- Pay a Bill
  Pay a a bill for services performed by MCW.
- Contact
  Let us help you find an answer to your question.
- MyChart Login
  MyChart user? Log in to make an appointment.
- Request an Appointment Online
  Or call Adult Specialties (800) 272-3666 or Pediatric Specialties (877) 607-5280.
Education
- Medical School
  Choose an accelerated or four-year program at various campus locations.
- Graduate School
  Designed to provide a unique, specialized learning experience.
- Pharmacy School
  An innovative three-year PharmD program designed for the expanding pharmacist role in patient care.
- Residency and Fellowship Programs
  Choose from more than 140 specialties and sub-specialties for advanced medical training at MCW.
Research
Community
Giving
Find a Doctor

GettyImages-145652391-hero

Colorectal Surgery

Division of Colorectal Surgery

Faculty

Kirk A. Ludwig, MD, FACS, FASCRS

Chief, Professor

Mary F. Otterson, MD, MS

Professor

Carrie Peterson, MD

Assistant Professor

Timothy J. Ridolfi, MD

Assistant Professor

Advanced Practice Providers

Deborah Andris, 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