Dr. Frederick J. Denstman

John Marks is a Colorectal Surgeon in Wynewood, Pennsylvania. Dr. Marks is rated as a Distinguished provider by MediFind in Colostomy. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Lynch Syndrome, Ileostomy, and Colostomy.

Dr. John Migaly is a distinguished colorectal surgeon and Chief of the Division of Colorectal Surgery/Ravitch Division at Johns Hopkins Medicine. He specializes in the treatment of colorectal cancer, inflammatory bowel disease, and other benign and complex colorectal conditions. Dr. Migaly is committed to providing advanced, patient-centered care, often using minimally invasive techniques including laparoscopic and robotic surgery, to help reduce recovery time and improve outcomes. Dr. Migaly comes to Johns Hopkins Medicine from the Duke University School of Medicine, serving from 2008-2024 on the surgery faculty treating patients primarily through the Duke Cancer Institute. He was elevated to Program Director of the General Surgery Residency in 2012, and subsequently served as Vice Chair of Education until 2024. His work was critical to the success of the undergraduate, graduate, and continuing medical education missions at Duke Surgery. Dr. Migaly earned his B.A. in Biochemistry from New York University and his medical degree from the New York University School of Medicine. He completed surgical residency and a research fellowship at Temple University Health Sciences Center, and colorectal surgery fellowship at Cleveland Clinic Florida. Dr. Migaly’s career has been marked not only by a complex and high-volume clinical colon and rectal surgery practice, but also a commitment to research and education, supported by greater than 200 publications, book chapters, and presentations. His research is centered around improving practice patterns and outcomes in colorectal cancer care and recovery. His leadership and dedication to advancing the field of colorectal surgery is evident through his service on committees that shape how colorectal care is delivered nationally, via his past and present service on the Program Committee, the Clinical Practice Guidelines Committee and the Diversity and Inclusion Committee of the American Society of Colon and Rectal Surgeons. Videos John Migaly, M.D.Chief of Colorectal Surgery"". Dr. Migaly is rated as a Distinguished provider by MediFind in Colostomy. His top areas of expertise are Familial Colorectal Cancer, Gastroesophageal Junction Cancer, Anal Cancer, Colostomy, and Ileostomy.

Carey Nathan is a Colorectal Surgeon and a General Surgeon in Newark, Delaware. Dr. Nathan has been practicing medicine for over 44 years and is rated as a Distinguished provider by MediFind in Colostomy. Her top areas of expertise are Encopresis, Bowel Incontinence, Hemorrhoids, Colostomy, and Hernia Surgery.