Rear Admiral Gintzig earned his bachelor's degree and his master's degree in Business Administration from George Washington University, Washington, DC. He also completed a Post Master's Fellowship in Health Care Administration with George Washington University at South Miami Hospital.
Gintzig was commissioned as a lieutenant junior grade in the Medical Service Corps in Jacksonville, Fla., in 1983. There, he affiliated with Naval Reserve (NR) MEDCRU 408 serving as assistant administrative officer in 1984. He transferred to NR Naval Hospital (NH) San Diego 110 which later became NR NH Corpus Christi 410 where he served as administrative and training officer. From 1987 through 1988, he served as officer in charge and administrative officer for NR 4th Marine Division 1/23 Houston.
From 1988 to 1992, he served as executive officer, administrative officer and training officer with NR NH Corpus Christi 510. He transferred to 4th Medical Battalion 4 FSSG Surgical Support Company Bravo where he served as officer in charge of Medical Support Element 2B through 1997. He was then selected to serve with Fleet Hospital Fort Dix as officer in charge of Detachments J and A through September 2001.
From October, 2001 to September, 2003 he served as director for administration for Fleet Hospital, Minneapolis; a 500 bed combat zone hospital. From October 2003 to September 2005 he served as commanding officer of Operational Health Support Unit, National Naval Medical Center Bethesda, Md., which has nearly 800 members in 25 detachments in 9 states.
In response to hurricanes Katrina, Rita and Wilma, Gintzig was mobilized and served as the deputy commander for Task Force Navy Family, from October 2005 to April 2006. Following that he served as associate chief health care operations, BUMED and the deputy commander, Navy Medicine East.
From Oct. 1, 2007 until the end of 2008, Gintzig assumed the position of vice commander, Navy Reserve Forces Command (the first staff officer to ever hold this position) as well as deputy commander, Navy Medicine East and deputy director for Reserve Affairs, Medical Service Corps. He then served as the deputy commander, Navy Medicine West , as well as special assistant to the deputy surgeon general and deputy director for Reserve Affairs, Medical Service Corps until August 2010.
He currently serves as the deputy chief, Bureau of Medicine and Surgery, for Medical Operations and Future Plans. In this capacity, he is responsible to the surgeon general of the Navy for policy and coordination of Navy Medicine healthcare facilities and operations worldwide as well as coordination of medical support activities to Navy and Marine Corps operational forces.
Gintzig's personal decorations include the Legion of Merit (two awards), Navy and Marine Corps Commendation Medal (four Awards), Navy and Marine Corps Achievement Medal (three Awards), Fleet Marine Forces Ribbon, Meritorious Unit Commendation, Armed Forces Service Medal, National Defense Service Medal (with Star) and Armed Forces Reserve Medal (with device).
As a civilian, Gintzig has over 25 years of senior healthcare executive leadership experience, serving as president and chief executive officer for a large number of organizations. He is a member of the American College of Health Care Executives, Association of Military Surgeons of the United States, the Association of Medical Service Corps Officers of the Navy and the Navy Reserve Association.