In addition to English, he speaks Spanish. His hospital/clinic affiliations include South Bay Hospital, Tampa Community Hospital, and Brandon Regional Hospital. Dr. Koval is a graduate of the University of Miami, Miller School of Medicine and a graduate of Naval Medical Center San Diego's residency program. Dr. Koval is in-network for Blue Cross Blue Shield EPO, Blue Cross Blue Shield Bronze, and Blue Cross Blue Shield HMO, in addition to other insurance carriers.