Practice Locations

Children's Hospital Colorado Anschutz Medical Campus
13123 East 16th Ave Aurora, CO 80045


Fritz Karrer, MD

Pediatric Surgery

Board Certified


Practice Locations

Children's Hospital Colorado Anschutz Medical Campus
13123 East 16th Ave, Aurora, CO 80045


Children's Hospital Colorado South Campus
Highlands Ranch
1811 Plaza Drive Highlands Ranch, CO 80129


Children's Hospital Colorado North Campus
469 State Highway 7 Broomfield, CO 80023


Provider Expertise

Clinical Interest for Patients

General surgery for infants and children


  • Pediatric Surgery ( 1990 )
  • Surgery ( 1987 )
  • Surgical Critical Care ( 1990 )

Conditions & Treatments

  • Digestive System

    Benign Liver Tumors, Biliary Atresia, Biliary Surgery, Choledochal Cysts, Epigastric & Umbilical Hernias, Gastroenterology (Stomach, Bowel, General GI Problems), Gastrointestinal Surgery, Hepatobiliary and Minimally Invasive Services, Hernia, Intestinal Failure / Short Bowel Syndrome, Liver Cysts, Liver Resection, Pancreas Surgery

  • Surgery

    Complex Abdominal/Open, Hemodialysis access surgeries, Laparoscopic, Major Liver (Hepatobiliary), Rex Shunt or Meso-portal Shunt, Trauma and Acute Care

  • Critical Care

  • Injuries and Wounds

    Acute Wounds

Interests & Activities

Personal Interests

Golf, Skiing, Biking, Running, Hiking

Volunteer Activities

Colonel, US Army Reserves 2002-present

Education & Training

Medical Schools

MD, University of Nebraska College of Medicine (1979)

Undergraduate Schools

BSc, University of Nebraska–Lincoln (NE) (1976)


University of Arizona Program (1980)

Residency Program

University of Arizona Program (1984)

McGaw Medical Center of Northwestern University/Children's Memorial Hospital Program (1988)


University of Pittsburgh Medical Center (1986)

University of Colorado (University Hospital) Program (1985)

Professional Memberships

American Academy of Pediatrics (AAP), Fellow

American College of Surgeons (ACS), Fellow

American Pediatric Surgical Association (APSA), Member

American Society of Transplant Surgeons (ASTS), Member

Research & Grants


Childhood Liver Disease Research Network (ChiLDReN) U01DK062453 (2019)

Research Interests for Patients

Liver and biliary surgery in children

information for referring providers

Referral Contact Phone

(720) 777-6571

Clinical Interests for Referring Providers

Liver disease & bile duct problems of childhood Pediatric Trauma and Acute Care General surgery for infants and children

Research Interest for Referring Providers

Liver and biliary surgery in children