William A. Rizk

MD, FACS | General Surgery


General Surgery
Laparoscopic Surgery
Trauma Surgery
Bariatric Surgery
Breast & Abdominal Surgery



Dr. Rizk began practicing in the Siouxland area, at Midlands Clinic in 1999. He has been performing laparoscopic bariatric surgery since 2002. He is a current member of The American Society for Metabolic and Bariatric Surgery (ASMBS). Dr. Rizk’s favorite aspect of working with weight loss surgery patients is watching the amazing transformation they make throughout their journey.

Hometown: Sioux City, IA

HS: Heelan Class of 86

Family: Married to Pam with three children Nicole, Katie, and Michael

Healthy tip: Don’t eat in between meals and drink lots of water

Favorite physical activity: jogging

Learn more about Dr. Rizk and what his patients are saying