Before performing his residency at Sheba Medical Center, Dr. Onaca attended Carol Davila University of Medicine and Pharmacy for medical school. His clinical interests include pancreas transplant, chronic pancreatitis, and kidney transplant. He is an in-network provider for Blue Cross/Blue Shield, Blue Cross Blue Shield Bronze, and Blue Cross Blue Shield Gold, in addition to other insurance carriers. Dr. Onaca (or staff) speaks Romanian, Spanish, and German. He is affiliated with Baylor Scott & White Health.