Dr. Nag was born and raised in Chicago, Illinois. He later moved to Michigan where he attended medical school at Michigan State University College of Osteopathic Medicine. He went on to complete his Internal Medicine residency at Indiana University School of Medicine in Indianapolis, IN. Dr. Nag then went on to complete his General Cardiology Fellowship and Interventional Cardiology Fellowship through the Statewide Campus System at Michigan State University College of Osteopathic Medicine. He was actively involved in coronary and peripheral vascular research trials during fellowship. He is board Certified in Internal Medicine & General Cardiology and board eligible in Interventional Cardiology.

Due to his expansive training, Dr. Nag is one of the most versatile interventionalists practicing Cardiology in Arizona.