A native of Norfolk, Virginia, CAPT Acosta graduated from Washington University in St. Louis with a Bachelor of Arts degree in biology. He completed medical school at Ponce School of Medicine in Ponce, Puerto Rico, in 1985 and residency training in General Surgery at the University of New Mexico. CAPT Acosta began reserve naval service in 1989 and active service in 1991.
He served as staff surgeon on Fleet Surgical Team 5 (FST 5) and was deployed onboard the USS Tripoli (LPH-10) during West-Pac 92-93, serving as a sole surgeon during the initial period of Operation Restore Hope in Somalia. CAPT Acosta served as attending physician in the General Surgery department at Naval Medical Center San Diego (NMCSD). He was selected for full time out service training (FTOS) fellowship in trauma and critical care, which he completed at the University of California at San Diego in 1996. He was then transferred to US Naval Hospital Keflavik, Iceland, where he served from 1996 to 1997 as the department head for the Surgery Service. He served as the Director of the Medical and Surgical Intensive Care Unit (NNMC) and Director of Surgical Services on board the USNS Comfort (T-AH-20). Captain Acosta transferred to the US Naval Reserve in 1998.
In May of 2004 he was recalled to active duty and served as Senior Medical Officer for the 325th Forward Surgical Team (US Army) in Kandahar, Afghanistan, until March 2005. He received orders to the 4th Medical Battalion 4th Marine Logistics Group, where he served as staff surgeon. He deployed to Expeditionary Medical Facility in Kuwait from January to August 2007. In August of 2008 he was selected as Director of Surgical Services at the Naval Medical Center in San Diego. In June 2010 he transferred to Tripler Army Medical Center and assumed the position of Deputy Commander Clinical Services until June 2012. From August of 2012 to March of 2014 CAPT Acosta served as Commanding Officer/Deputy Director at the CAPT James A. Lovell Federal Health Care Center (JALFHCC), the first integrated medical facility between the Department of Veterans Affairs and the Department of Defense. He was selected to serve as the Acting Director/Commanding Officer from April 2014 to September 2014 at the JALFHCC.
CAPT Acosta is board-certified by the American Board of Surgery and Surgical Critical Care. He completed his Masters in Business Administration in 2008 from Regis University in Denver, Colorado. During his academic career he has authored over 40 peer reviewed medical articles and book chapters. He is the recipient of two Legion of Merit, two Meritorious Service Medals, two Navy Commendation Medals, the Army Commendation Medal, Department of Veterans Affairs Commendation and the Navy Achievement Medal in addition to unit, service, and campaign awards. He has also achieved designation as a Surface Warfare Medical Department Officer. He is a Fellow of the American College of Surgeons (FACS) and a Fellow of the American College of Healthcare Executives (FACHE).