Patient ratings for Dr. Hartz average 4.0 stars out of 5. His areas of expertise include gallbladder problems, breast cancer, and colon problems. Dr. Hartz's hospital/clinic affiliations include Northwestern Memorial Hospital and Northwestern University Feinberg School of Medicine. He honors several insurance carriers, including Blue Cross/Blue Shield, HFN, and Coventry. New patients are welcome to contact Dr. Hartz's office for an appointment. He graduated from Northwestern University, Feinberg School of Medicine. Dr. Hartz's residency was performed at Northwestern Memorial Hospital. He has received the distinction of Chicago Super Doctors.