Dr. Gretz cares for individuals of all ages who have chronic conditions or are suffering from acute illnesses or injuries. He provides preventive screenings and wellness exams.

He earned his degree at Des Moines University College of Osteopathic Medicine in Des Moines, Iowa, and completed his residency at Allegheny General Hospital, AHN, Pittsburgh.

Dr. Gretz is certified by the American Board of Internal Medicine.