
About Dr. Omar Marar
Dr. Omar Marar: Surgeon and Educator
Dr. Omar Marar, MD, is a board-certified colon and rectal surgeon practicing at Valley Multi Specialty and Valley Surgical Clinics in Phoenix, Arizona. After earning his medical degree from the Royal College of Surgeons in Ireland, he completed a general surgery residency at St. Barnabas Medical Center in New Jersey and a prestigious fellowship in colon and rectal surgery at Thomas Jefferson University Hospital in Philadelphia.
Specializing in the diagnosis and treatment of complex disorders of the colon, rectum, and anus, Dr. Marar is a leading proponent of minimally invasive surgical techniques. He is particularly recognized for his expertise in robotic-assisted surgery and laparoscopic procedures, which aim to improve surgical precision and shorten recovery times for conditions such as colorectal cancer, inflammatory bowel disease, and diverticulitis.
In addition to his clinical practice, Dr. Marar is a dedicated educator and researcher. He has served as a clerkship director for surgical internships and was the 2021 recipient of the Spirit of Teaching Award. His academic contributions include research on colorectal cancer treatment and innovative surgical methods published in various medical journals.
Driven by a commitment to both local and global health, Dr. Marar has participated in international surgical missions to provide care in underserved areas, including Haiti. He prioritizes a patient-centered approach, ensuring that every individual is well-informed and empowered throughout their surgical journey.

