Alessandra C. Gasior, DO

Nationwide Children's Hospital Medical Professional

Contact Information


As the world’s only colorectal surgeon to be fellowship trained in both pediatric and adult colorectal surgery, Alessandra Gasior, DO, has a unique perspective to provide the best clinical options for patients of any age.

Dr. Gasior is the medical director of Colorectal Transitional Care at Nationwide Children’s Hospital and she is a surgeon with The Ohio State University Wexner Medical Center’s Division of Colon and Rectal Surgery to help ensure that patients with colorectal conditions have a smooth transition of care once they reach adulthood.  She has performed over 350 complex pediatric colorectal cases including minimally invasive and robotic surgeries. Her experience with adult patients is vast, including over 500 adult colorectal cases.

Dr. Gasior’s areas of clinical interest include transitional care for anorectal malformations, Hirschsprung disease, and Inflammatory Bowel Disease (Crohn’s and Ulcerative Colitis). Her research interests include improving quality of life, documenting adult experiences and enhancing the transition to adult care among adolescents and young adults with colorectal conditions.

Dr. Gasior trained at Kansas University Medical Center in Kansas City, Kansas for General Surgery Residency. She completed a Surgical Critical Care Fellowship and Surgical Scholars Fellowship at Children’s Mercy Hospital in Kansas City, Missouri. Dr. Gasior also completed both Minimally Invasive Pediatric Surgery Fellowship and Pediatric Colorectal Surgery Fellowship at Nationwide Children’s Hospital in Columbus, Ohio. She then completed an Adult Colorectal Fellowship at The Ohio State University Wexner Medical Center.

Academic and Clinical Areas

Date of Appointment at Nationwide Children’s Hospital: 08/01/2018

Board Certifications
  • General Surgery
  • Surgical Critical Care
Fellowship Nationwide Children's Hospital Date Completed: 06/30/2017
Fellowship Nationwide Children's Hospital Date Completed: 06/30/2016
Fellowship Children's Mercy Hospital and Clinics Date Completed: 06/30/2013
Residency Ohio State University Wexner Medical Center Date Completed: 07/31/2018
Residency Kansas University Date Completed: 06/30/2015
Residency McGaw Medical Center of Northwest University Date Completed: 06/30/2009
Medical School Kansas City University College of Osteopathic Medi Date Completed: 06/30/2008
Contact Information
Pediatric Colorectal and Pelvic Reconstructive Surgery