Donald Kastens, MD

Dr. Donald Kastens is a gastroenterologist with 45 years of experience specializing in digestive system disorders and internal medicine. He earned his medical degree from the University of Oklahoma College of Medicine in Oklahoma City and completed his residency training at the University of Oklahoma Health Sciences Center, where he also pursued fellowship training in gastroenterology. Dr. Kastens holds board certification in internal medicine from the American Board of Internal Medicine. He communicates with patients in English.

Dr. Kastens practices at OU Health Physicians Internal Medicine Clinic in Oklahoma City, Oklahoma. His expertise includes treating colon polyps, swallowing difficulties, and acid reflux disease. He performs colonoscopies to screen for colorectal cancer and examine the large intestine. Dr. Kastens also conducts lower gastrointestinal endoscopy procedures and laparoscopic surgeries for minimally invasive treatment options. Patients have given him an average …rating of 3.7 out of 5 stars on Vitals.