Exec Asst to the Medical Officer USMC
Exec Asst to the Medical Officer USMC

Captain Chapman is a native of Illinois and enlisted in the Army as a Combat Medic Specialist in June 1989, serving as an Emergency Medical Technician.  In August 1990, he deployed in support of OPERATION DESERT SHIELD/DESERT STORM with the 197th Infantry Brigade (Task Force 2-18), receiving a Combat Medical Badge for performance of medical duties while actively engaged in ground combat against the Iraqi 3d Commando Regiment (Airborne) of the Republican Guard.

He graduated from Southern Illinois University - Carbondale with a Bachelor of Science degree in 1995 and went on to earn a Master of Arts degree in Health Services Management from Webster University - St. Louis in December 1997.  He was commissioned in the Navy Medical Service Corps as a Lieutenant Junior Grade in January 1999 and assigned to Naval Medical Clinic Pearl Harbor, serving as Department Head for the Directorate of Business Strategies and TRICARE Action Officer.

He attended resident Marine Corps Expeditionary Warfare School in 2002.  Following graduation in May 2003, he was assigned to 1st Medical Battalion, serving as S-2/S-3 Operations Officer.  In February 2004, he deployed in support of OPERATION IRAQI FREEDOM, serving as Assistant Officer in Charge of the Combat Service Support Group 15 Health Services Coordination Cell; providing subject matter expertise during emerging planning efforts in support of OPERATION VIGILANT RESOLVE.

He was assigned to Commander, Naval Forces Korea in July 2005, serving as Medical Plans Officer in a liaison role between 7th Fleet, Pacific Fleet, United States Forces Korea, and the Republic of Korea Navy Surgeon General; facilitating Republic of Korea participation in Pacific Partnership onboard USS Peleliu.  In August 2007, he attended resident Naval War College, earning a Master of Arts degree in National Security and Strategic Studies with an emphasis in Africa Studies.

Following graduation in July 2008, he was assigned to Commander, Naval Striking and Support Forces NATO, serving as Senior Advisor for Medical Plans and Policy.  In April 2011, he was attached to Combined Joint Task Force OPERATION UNIFIED PROTECTOR, serving as Lead Medical Plans & Coordination Officer during NATO led embargo and no-fly zone operations against Libya; spearheading the initiative for the establishment of a multi-national Patient Evacuation Coordination Center.

He was assigned to Commander, United States Forces Korea in August 2011, serving as Deputy Command Surgeon of United Nations Command/Combined Forces Command and Chief of Medical Plans, Operations & Exercises; leading Republic of Korea medical staff integration to the Combined Medical Operations Center.  In August 2013, he attended the National War College, earning a Master of Science degree in National Security Strategy with an emphasis in Trans-Atlantic and European Security.

Following graduation in June 2014, he was assigned to the Office of the Chairman of the Joint Chiefs of Staff, Office of the Joint Staff Surgeon, serving as Assistant Chief of Staff; leading efforts on Joint Publication 4-02 Joint Health Services revision, developing the Joint Concept for Health Services Transition Plan, providing subject matter expertise to the Operational Medicine Concept of Operations, and drafting the initial charter establishing the Medical Operations Deputies Tank.

He was assigned to Office of the Chief of Naval Operations, Director, Medical Resources, Plans and Policy in August 2017, serving as Branch Head of Medical Operations, Plans and Strategy; overseeing senior-level coordination efforts on multiple Global Force Management request for forces and request for support, including two emerging Secretary of Defense directed USNS COMFORT missions, providing health services to 14 South American countries in support of national strategic objectives.

He currently serves as the Executive Assistant to the Medical Officer of the Marine Corps.  

Captain Chapman’s personal decorations include the Defense Meritorious Service Medal (three awards), the Meritorious Service Medal, the Navy and Marine Corps Commendation Medal (two awards), the Army Commendation Medal (three awards), the Navy and Marine Corps Achievement Medal, and the Army Achievement Medal; along with various individual, campaign and unit decorations, including the Joint Staff Badge.  He holds membership in the American College of Healthcare Executives.

CAPT Stephen A. Chapman

Medical Service Corps, U.S. Navy


Headquarters Marine Corps