U.S. Public Health Service Capt. Nicole L. Frazer

Acting Division Chief

Capt. Nicole Frazer is the acting division chief of the Psychological Health Center of Excellence (PHCoE), a division of the Defense Health Agency (DHA), Research and Development Directorate (J-9). She was previously PHCoE’s Clinical Care Branch chief.

Capt. Frazer was commissioned in the U.S. Public Health Service (USPHS) in 2008 and has held multiple positions within the Department of Defense. She served as the chief of commissioned corps personnel and policy with DHA’s Resources and Management Directorate (J-1), deputy of the clinical communities and policy support section with DHA’s Medical Affairs/Clinical Support Division, senior policy analyst for the Psychological Health Strategic Operations Directorate, Force Health Protection and Readiness, within the Office of the Assistant Secretary of Defense for Health Affairs, and as the acting deputy director of the Training and Education Directorate, Defense Centers of Excellence for Psychological Health and Traumatic Brain Injury.

Prior to joining USPHS, Capt. Frazer served as a clinical psychologist in the U.S. Air Force. Her Air Force assignments included positions as a staff psychologist at Eglin Air Force Base, assistant professor of Family Medicine at the Uniformed Services University of the Health Sciences, and staff officer in the Office of the Air Force Surgeon General. Capt. Frazer received her Ph.D. in clinical psychology from West Virginia University and completed a clinical psychology residency and a clinical health psychology fellowship at Wilford Hall Medical Center, Lackland Air Force Base. She is board certified in clinical health psychology and is a licensed clinical psychologist in Virginia.

Capt. Frazer has numerous military and USPHS decorations and awards, including two USPHS Outstanding Service Medals, the Joint Service Commendation Medal, the Meritorious Service Medal with one oak leaf cluster, the National Defense Service Medal, the Global War on Terrorism Service Medal, and she was a Distinguished Graduate at the Air Force Officer Training School.

Dr. Timothy Hoyt

Acting Deputy Division Chief

Dr. Timothy Hoyt is the acting deputy division chief for PHCoE. He is also chief of PHCoE’s Psychological Health Promotion Branch.

Dr. Hoyt was commissioned as an officer in the Medical Service Corps of the U. S. Army in 2007.  He left active duty in 2014 to become a civilian supervisor and faculty member at Madigan Army Medical Center. Dr. Hoyt has held numerous leadership positions within military medicine, including serving as a brigade surgeon, chief psychology resident, embedded behavioral health clinic chief, director of the Pinnacle Intensive Outpatient Program for PTSD, and director of the National Center for Telehealth and Technology. As a military psychologist, he has authored numerous empirical publications on combat-related stress and posttraumatic stress disorder.

Dr. Hoyt is a recipient of the Bronze Star for his service in Afghanistan, as well as the Peter J.N. Linnerooth National Service Award from the American Psychological Association. He is a superior graduate of the U.S. Army War College, and received his Ph.D. in clinical psychology from the University of New Mexico.

Mr. Dennis Brown

Branch Chief, Administration & Operations

Mr. Dennis Brown is PHCoE’s Administration and Operations Branch Chief. Mr. Brown had a very distinguished military career which culminated with his retirement as a colonel from the U.S. Army in February 2015. During his time in the military, he held several command and staff positions including force health protection officer in Croatia as part of Joint Task Force Provide Promise (Forward) under the United Nations Protection Force; commander of the 38th Medical Detachment in Korea; commander of the U.S. Army Center for Health Promotion and Preventive Medicine - North at Fort Meade, Maryland; commander of the Joint Technical Augmentation Cell at Fort Monroe, Virginia; deputy surgeon at U.S. Army Central/3rd Army in Atlanta, Georgia; and chief of staff of the U.S. Army Public Health Command. In addition, Mr. Brown was a senior service college fellow at the Department of Health and Human Services headquarters in Washington, D.C.

Mr. Brown received his bachelor’s degree in biology from Rutgers University-Camden, master’s degree in health care administration from Central Michigan University and master’s degree in environmental health engineering from the University of Texas

Mr. Brown’s military awards include a Legion of Merit, Defense Meritorious Service Medal, Meritorious Service Medal (four oak leaf clusters), Joint Service Commendation Medal, Army Commendation Medal (two oak leaf clusters), Joint Service Achievement Medal, United Nations Medal, North Atlantic Treaty Organization Medal and the Air Assault Badge.