Matt King, CPA
Chief Financial Officer
Serving as Assistant Chief Financial Officer, Matt King brings 6 years of healthcare finance experience. Matt has been a part of HCA since 2016 when he began his career with Internal Audit as an Audit Manager and was promoted to Senior Audit Manager one year later. Prior to joining HCA, Matt worked as a Senior Financial Analyst with Baxalta Incorporated. Matt is a Certified Public Accountant and he earned his Bachelors of Science in Accounting and Finance from Indiana University.
Gary Litovitz, M.D.
Dr. Gary Litovitz, a board-certified psychiatrist, has been the Medical Director of Dominion Hospital for more than 20 years and of the Reflections Eating Disorders Treatment Center since our doors opened. He’s a graduate of the Georgetown University School of Medicine, where he completed his residency in psychiatry and a fellowship in psychosomatic medicine.
In addition to his leadership at Dominion Hospital and Reflections, Dr. Litovitz has served as a clinical assistant professor of psychiatry at Georgetown University School of Medicine. He devotes much of his practice to the treatment of eating disorders and related psychiatric disorders and writes and lectures on a variety of associated topics, including eating disorders, self-injury, mood disorders, obsessive-compulsive disorder and other anxiety disorders.
He is a Fellow of the American Psychiatric Association and a member of the Association of Eating Disorder Professionals (IAEDP), Washington Society for the Study of Eating Disorders and Obesity (WSSEDO) and the Academy of Eating Disorders (AED). A Certified Eating Disorder Specialist (CEDS), Dr. Litovitz also maintains an outpatient psychiatry practice in the Tysons Corner area of Vienna, VA.
Chief Nursing Officer
Rick Wallace has been working in behavioral health for over 20 years. He began his journey as a Mental Health Technician before becoming a nurse. He has worked with children, adolescents, adults and geriatric populations, serving a wide range of behavioral health needs. Over the years he has worked as a unit manager, director, campus director and now as CNO.
Rick earned his AA and then BSN at Kentucky Wesleyan College. He went on to earn his Master’s in Nursing with a certificate in Health System Administration from Towson University and is currently a DNP student at Grand Canyon University. Rick is also ANCC Certified in psychiatric nursing.
Rick has been married since October 1999 and together he and his wife two sons. He enjoys traveling, running and being outside.
Donald A. Kniffen, Jr., MBA, CPHQ, CPHRM, CPPS
Don Kniffen, Jr. is currently the Assistant Administrator for Dominion Hospital. Mr. Kniffen has worked in behavioral health for over 30 years and has previously held leadership positions with Adventist Healthcare and the Maryland Department of Health and Mental Hygiene.
Mr. Kniffen’s expertise includes healthcare operations, quality, and patient safety. Professional certifications include Healthcare Quality (CPHQ), Healthcare Risk Management (CPHRM), Patient Safety (CPPS), and Six Sigma (Green Belt). Mr. Kniffen holds a degree in Psychology from the University of Maryland and MBA from the Robert H. Smith School of Business.
Volunteer work includes current membership on the Psychiatric Rehabilitation Services (PRS) board of Directors and previously as a Board member of CrisisLink.
Michael Repie, Ph.D.
Senior Director of Clinical Services
Dr. Repie received his B.S. in Secondary Education and his M.A. in Special Education in from West Virginia University. He received his Ph.D. in Special Education, with a minor in Healthcare Administration from George Mason University.
Dr. Repie served Dominion for many years as Director of Education Services, and accepted the position of Senior Director of Clinical Services, assuming clinical oversight for all service lines, and participating as part of the senior leadership team in 2015. Dr. Repie is a published author, and remains active on the faculty of George Mason University, teaching courses and serving as faculty advisor and practicum supervisor.
Dr. Repie is married, and has two boys. He is avid about health, fitness, and wellness, and can often be found running, road biking, or snow skiing.
Melissa Garcia, LCSW, MBA
Director of Operations
Melissa Garcia was appointed the Director of Operations of Dominion Hospital in July of 2019. Prior to transitioning to this leadership role, Melissa held the position of Director of Social Work at Dominion Hospital and has been with HCA Healthcare since February 2015.
Prior to joining Dominion Hospital, Melissa has worked in behavioral health facilities in both the public and private sector in Pennsylvania and Virginia. Melissa earned her Master of Social Work (MSW) from the University of Pittsburgh in Pittsburgh, Pennsylvania and Master of Business Administration (MBA) in Healthcare Administration from Champlain College in Burlington, Vermont. Melissa is a Licensed Clinical Social Worker (LCSW) in the Commonwealth of Virginia and has helped bridge the clinical and operational components of healthcare to drive strategy and growth.
Melissa and her husband have two daughters. They enjoy running, hiking, and finding local coffee shops wherever they go. Melissa continues to run in her spare time and has a goal to complete a marathon in each state before 2030.