Medical Treatment Facility Mercy Leadership

Commanding Officer: Captain Timothy Quast

Captain Tim Quast is a third generation Naval Officer who graduated from Tulane University with a Bachelor of Science degree in Engineering. He began his career as a Surface Warfare officer serving aboard USS COWPENS (CG-63) in San Diego and USS MOBILE BAY (CG-53) in Yokosuka, Japan. He attended the Uniformed Services University of the Health Sciences (USUHS) School of Medicine from 1998-2002. At USUHS he served as the Academic Representative and was inducted into the Alpha Omega Alpha Medical Honor Society.

Captain Quast completed his internship and residency in internal medicine at Bethesda Naval Hospital, serving as the class president and earning "Intern of the Year" distinction. He was subsequently selected to serve as the Chief of Residents for his first staff tour and completed a Pulmonary and Critical Care Fellowship at Walter Reed-Bethesda's National Capital Consortium (2006-09) where he was a finalist for the Bailey K. Ashford award for research in 2009.

Quast has been devoted to mentorship and career development. He initiated a formal mentorship program at Walter Reed and created a Career Development Board program at US Naval Hospital Guam that is used at numerous Navy MTFs. Captain Quast served at Walter Reed from 2009-12, from which he deployed to Kandahar in 2010. In Kandahar he served as the ICU director, overseeing the care of hundreds of coalition warriors during the kinetic operations known as the “Kandahar Surge.”

In 2012 he reported to U.S. Naval Hospital Guam where he served as Director of Primary Care. As one of two intensivists on Guam, he served both the local community and the Navy's highest acuity ICU. In 2015 he reported to Naval Medical Center San Diego (NMCSD) and was selected as the Navy’s Internal Medicine Specialty Leader for 440 internists and subspecialists worldwide. As Specialty Leader, he provided maximum support to the Fleet from his community by more than doubling downrange deployments from previous years and developing internist metrics for “knowledge, skills, and abilities.” He served as the Pulmonary-Critical Care and Sleep Department Chair and was an inaugural graduate for NMCSD’s Healthcare Quality and Leadership Academy.

In 2018 Quast reported as Executive Officer to U.S. Naval Hospital Rota, Spain, where he developed over two dozen Director-level quality initiatives, including the implementation of a vibrant and growing telehealth capability. His leadership was integral in ensuring Force Health Protection at Rota during a time when Spain had the highest worldwide mortality rate, and he authored a COVID Reconstitution Plan that has been used as a template for other regional MTFs.

Captain Quast's personal awards include the Meritorious Service Medal (3), the Navy and Marine Corps Commendation Medal (5), and the Navy Achievement Medal (5). In 2014 he received the American College of Physicians’ Sparks award for the top U.S. Navy Internist in teaching and academic acumen and was honored as a Master Clinician in 2017 at NMCSD.

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Executive Officer: Captain William Scouten

CAPT William T. Scouten hails from Westfield, New Jersey. After graduating from Davidson College in 1990 with a Bachelor of Science in Chemistry, he was commissioned in the US Navy through the Health Professions Scholarship Program and earned a Doctor of Medicine degree in 1995 from the Wake Forest University School of Medicine. CAPT Scouten completed a psychiatry internship at the National Naval Medical Center and then was assigned to Naval Hospital Yokosuka, Japan as a general medical officer, where he headed the Negishi Branch Health Annex. Following his three year utilization tour, CAPT Scouten returned to Washington, D.C. and completed training in General Pediatrics and Pediatric Endocrinology in the National Capital Consortium, one of the first military tri-service residency and fellowship programs.

CAPT Scouten was assigned to Naval Medical Center Portsmouth (NMCP) as a Staff Pediatric Endocrinologist in 2005. During his time at NMCP, he built a robust pediatric endocrine practice and multidisciplinary diabetes management center that serves the largest population of pediatric beneficiaries in the military health system. He established and led the NMCP Pediatric Subspecialty Group from 2006-2010 and served as the Pediatric Department Chairman from October 2010 to April 2011, managing the largest Department of Defense training program with 200 staff and over 30 joint service residents in training. CAPT Scouten chaired the BUMED Diabetes Action Team, drafted health care policy, and implemented programs to improve diabetes management at Navy treatment facilities. In addition, he directed a state-wide effort to standardize the diabetes management plan for children attending schools in the Commonwealth of Virginia.

CAPT Scouten was selected as the U.S. Southern Forces Naval Command/FOURTH Fleet Surgeon in 2017. In this position, he provided medical recommendations to maintain the force health protection of personnel deployed to the FOURTH Fleet area of operation and developed and implemented global health engagement programs in partnership with component commands to broaden the professional scope and readiness of U.S. service members and build relationships with and between military and civilian partners.

CAPT Scouten deployed several times on USNS Comfort (T-AH 20). He was the Pediatric Department Head in support of Continuing Promise 2009 and Assistant Director of Medical Services and pediatrician in support of Operation Unified Response, after the earthquake in Haiti. CAPT Scouten was selected as the Director of Medical Services for Continuing Promise 2011 and the Director of Medical Operations for Continuing Promise 2013. More recently, he was an integral planner for the USNS Comfort Deployment 2018 and 2019. In these roles, he developed the clinical concept of operations; provided overarching mission guidance and policy; performed boots-on-ground needs assessments; integrated and aligned combatant command, interagency, non-federal entities, and operational medical teams for optimal effect; negotiated international privileging, donations, and importation of medications and supplies; and directed mission planning and execution.

In 2015, CAPT Scouten was conferred the rank of Master Clinician by his peers in recognition of superior contributions to patient care, academic research and education. He is an Assistant Professor of Pediatrics at the Uniformed Services University of the Health Sciences and is a published expert and consultant in the field of thyroid cancer and ship-based disaster and humanitarian medicine. CAPT Scouten’s personal awards include: Meritorious Service Medal with gold star, Navy Commendation Medal, Army Commendation Medal, Navy Achievement Medal, and Army Achievement Medal.

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Command Master Chief: Mackenson Moise

Master Chief Moise is currently serving as USNS MERCY (T-AH 19) Command Master Chief in San Diego, CA. Command Master Chief Moise was born in Haiti. He graduated from North Miami Beach High School and reported to Recruit Training Command Great Lakes, Illinois in June 1996. He began his career as an Undesignated Airman. He became an Aviation Storekeeper as a Third Class Petty Officer in June 1998. Selected in 2018 as a Command Senior Chief, Moise is fluent in French and earned a master's degree in Logistics & Supply Chain Management from Embry-Riddle Aeronautical University. He is also a graduate of the Master Enlisted Academy (Class 215/Green) and CMC/COB Course (Class 198).

At sea, he served consecutive tours as a Material Control Clerk at HSL-51 and VRC-30 Detachment FIVE in Atsugi, Japan. He was deployed twice aboard the USS KITTY HAWK (CV 63) throughout the Western Pacific and Southeast Asia theaters. Served at Destroyer Squadron FIFTY in Manama, Bahrain as staff Supply Officer. His sole ship’s company tour started onboard the USS RAMAGE (DDG 61) as Leading Petty Officer and later as Leading Chief of Supply Support division to complete two deployments. In 2014, Moise went back to Naval Aviation with the “Skinny Dragons” of VP-4 at Kaneohe Bay, HI as Material Control Chief and completed two Mediterranean deployments.

Ashore, he served in multiple and diverse logistics support centers at Roosevelt Roads’ Aviation Support Division in Puerto Rico. He spent two years at Sigonella, Italy with a Defense Logistics Agency’s Depot as Operations Leading Petty Officer trans-shipping cargo. Also, he was the Supply Chain manager at headquarters, U.S. Pacific Command Camp Smith, HI. He last served as the Leading Chief for the Aviation Support Division attached to the Hawkeye/Greyhound World Headquarters at Point Mugu, CA.

Master Chief Moise was awarded the Defense Meritorious Service Medal, the Joint Service Commendation Medal, three Navy Commendation Medals, the Joint Service Achievement Medal, five Navy Achievements Medals, the Military Outstanding Voluntary Service Medal and various other unit awards.

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