Dr. Bortnick's patients gave him an average rating of 4.0 out of 5 stars. His clinical interests encompass holter monitoring and flexible sigmoidoscopy. His professional affiliations include Alexian Brothers Medical Center, Alexian Brothers Behavioral Health Hospital (ABBHH), and Swedish Covenant Hospital. He honors Aetna EPO, Blue Cross/Blue Shield, Coventry, and more. Dr. Bortnick is open to new patients. He is a graduate of Rosalind Franklin University of Medicine and Science, Chicago Medical School and Autonomous University of Guadalajara Faculty of Medicine. He trained at Saint Francis Hospital, Evanston for residency. Dr. Bortnick speaks Spanish.