Dr. Clifford L. Simmang

Danielle Giesler is a Colorectal Surgeon and a General Surgeon in Richardson, Texas. Dr. Giesler is rated as an Advanced provider by MediFind in the treatment of Secondary Peritonitis. Her top areas of expertise are Colorectal Cancer, Crohn's Disease, Familial Colorectal Cancer, Hemorrhoidectomy, and Bladder Reconstruction.

Dallas native Dr. Charles Iliya is a Fellow of the American College of Surgeons. He is dual board-certified in general surgery and surgical critical care, with additional specialization in trauma and vascular surgery. Dr. Iliya graduated from The University of Texas Southwestern Medical School in Dallas and completed his general surgery residency training at St. Paul Medical Center, also in Dallas. He went on to complete his vascular surgery fellowship at Baylor College of Medicine in Houston.Dr. Iliya has been on the medical staff of Texas Health Presbyterian Hospital Dallas for more than 25 years. He has decades of experience in the use of advanced and minimally invasive surgical techniques, with vascular surgery as his area of special interest. In 2005, Dr. Iliya championed the National Vascular Access Improvement Initiative. He has been honored with the President's Recognition Award given out by the Presbyterian Healthcare System.Previously, Dr. Iliya served as a Clinical Instructor and Clinical Assistant Professor of Surgery at UT Southwestern Medical School. He also served as Chief of Medical Staff for Baylor Scott & White Medical Center White Rock in Dallas. He speaks fluent Spanish. Dr. Iliya is rated as a Distinguished provider by MediFind in the treatment of Secondary Peritonitis. His top areas of expertise are Gastrointestinal Perforation, Chronic Subdural Hematoma, Ogilvie Syndrome, Hernia Surgery, and Gastrostomy.

Dr. Zihao Wu is a board-certified colon and rectal surgeon with additional board certification in general surgery. Dr. Wu previously served for more than a decade as an associate professor in Clinical Surgery within the Department of Surgery at the University of Missouri School of Medicine in Columbia. He specializes in treating anorectal disorders (hemorrhoids, anal fistula, anal fissure, anal warts etc), colon and rectal cancer, complicated diverticular disease, Crohn’s disease, Ulcerative colitis, and rectal prolapse. He also offers screening and diagnostic colonoscopy. He performs advanced robotic and laparoscopic colon and rectal surgeries. Dr. Wu grew up in a small village in Southern China where his father was the only physician. His passion for caring for others came from watching his father at work. He earned his medical degree at Sun Yat-Sen University of Medical Sciences in China. He completed his general surgery residency at St. Agnes Healthcare in Baltimore, Md., before going on to complete his colon and rectal surgery fellowship at Saint Vincent Health Center in Erie, Pa. Dr. Wu is a member of the American College of Surgeons and American Society of Colon and Rectal Surgeons. He is fluent in the Chinese Cantonese language. Dr. Wu is rated as a Distinguished provider by MediFind in the treatment of Secondary Peritonitis. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Lynch Syndrome, Hernia Surgery, and Ileostomy.