His clinical interests include crohn's disease, liver disease, and colon problems. He is professionally affiliated with Morristown Medical Center, Saint Barnabas Medical Center, and Barnabas Health Medical Group. Dr. Wallach attended the University of Miami, Miller School of Medicine and subsequently trained at NYU Langone Medical Center for residency. Dr. Wallach's average patient rating is 4.0 stars out of 5. He is an in-network provider for Amerigroup, Anthem, and Blue Cross/Blue Shield, as well as other insurance carriers.