About Dr. Mahmood

Dr. Ali Mahmood Colon and Rectal Surgery is the practice of Dr. Ali Mahmood, a dedicated and compassionate surgeon in Sugar Land, TX. His practice specializes in colon and rectal surgery, ensuring patients recover quickly. If you are looking for an experienced surgeon or looking to learn more after having been referred to our doctor, you have come to the right place.


Dr. Mahmood graduated from Baylor University. Upon completing medical school in New York, he matriculated at St. Joseph Mercy Oakland and Wayne State University for his general surgery training. Upon completing his residency, he pursued a fellowship in colon and rectal surgery at the Ferguson Clinic, Michigan State University.

A Board-Certified Doctor You Can Trust

Dr. Mahmood is board-certified in general surgery by the American Board of Surgery. He is also board-certified in colon and rectal surgery by the American Board of Colon and Rectal Surgery. He is appointed faculty and an assistant professor in the Michael E. DeBakey Department of Surgery at Baylor College of Medicine. He has authored numerous papers published in medical journals and was appointed as a clinical instructor at Michigan State University School of Medicine. Dr. Mahmood serves as a reviewer for the Radiology Case Reports journal and served as a reviewer for Contemporary Surgery.


Dr. Mahmood served as chairman of the Department of Surgery at Houston Methodist Sugar Land Hospital from 2013 to 2020.
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Lectures and Presentations

Dr. Mahmood has delivered multiple talks and presentations at national and international conventions. He was the recipient of the Alexander J. Walt Award in 2008, one of two top awards given at the Michigan Chapter of the American College of Surgeons. He was also selected as Physician of the Year in 2013 at Methodist Sugar Land Hospital.

Interests and Research

Dr. Mahmood’s primary interest in the field of colorectal surgery is colon and rectal cancer, along with benign diseases, such as Crohn’s disease, ulcerative colitis, and diverticular disease. Dr. Mahmood performs laparoscopic surgery for these diseases and is formally trained in transanal endoscopic microsurgery (TEM) procedures. Dr. Mahmood also specializes in the treatment of common anorectal disorders. He offers treatments for pelvic floor disorders, such as rectal prolapse and fecal incontinence. He was the first colon and rectal surgeon to perform rhomboid flap surgery for pilonidal disease in Fort Bend County. Dr. Mahmood also has been trained in the da Vinci robotic surgical system.
Dr. Mahmood firmly believes in efficacious patient care in the greater Fort Bend community and the surrounding areas. He is well-respected by his peers in the community and at the medical center. Practicing medicine is a privilege he takes very seriously and with a great deal of compassion.
Honors, Awards, and Recognitions

Trust Your Health to a Dedicated Surgeon

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Whether you were referred to Dr. Mahmood by your doctor or are scouting your options, you will find all the information you need here. Our doctor’s experience spans more than a decade, and he has studied in some of the finest institutions. Dr. Mahmood has received multiple awards and delivered many presentations in his field of expertise.
Dr. Mahmood
Dr. Mahmood and his team are dedicated to fast, efficient solutions for your medical needs. As a colorectal specialist, he will do his best to ensure your disease or condition is treated quickly and effectively to end your discomfort and medical problems. Turn to us for a wide range of digestive issues.

Trust Dr. Mahmood to deliver quality care with the discretion and compassion you expect for sensitive surgeries.

Call (281) 242-3400 or (281) 242-3300

Learn About Dr. Ali Mahmood Colon and Rectal Surgery

Dr. Ali Mahmood Colon and Rectal Surgery is a board-certified surgical practice specializing in colon and rectal surgery. He practices predominantly in Sugar Land, TX, and has another office in Pearland. He served as chairman of the Department of Surgery at Houston Methodist Sugar Land Hospital and is heavily involved in the community, passionately caring for each patient and the community he serves. His patients have trusted his skill and manner for more than five years in practice and over a decade of medical experience. He is the former president of the Fort Bend Medical Society and an active member of the Harris County Medical Society. In addition, he serves the medical community at the Health Care Economics Committee of the American Society of Colon and Rectal Surgeons.


Thank you for your interest. For questions or comments, please use the information listed here. We look forward to hearing from you soon.
Hours of Operation
Monday-Friday, 8:00 a.m.-5:00 p.m.
Main Address
16605 SW Fwy #430 Sugar Land, TX 77479
Pearland Office
8520 W Broadway St #200 Pearland, TX 77584
Service Areas
Sugar Land and Houston, TX