Community Medicine Research Faculty

Keisha R. Callins, MD, MPHKeisha R. Callins, MD, MPH, Department of Community Medicine Chair and Assistant Professor

Chair and Assistant Professor
Mercer University School of Medicine
Department of Community Medicine
1550 College Street
Macon, Georgia

Office: (478) 301-4094
Fax: (478) 301-2221


Hamza Awad, M.D., Ph.D.Hamza Awad, M.D., Ph.D.

Assistant Professor
Phone: 478-301-5547 (Macon)


Research Interests: Cardiovascular diseases and outcomes research, specifically: risk factors, best management practices and temporal trends in patient outcomes.


Jennifer Barkin, M.S., Ph.D.Jennifer Barkin, M.S., Ph.D.

Assistant Professor
Phone: 478-301-2283 (Macon)

Research Interests: Women’s Health, Women’s Mental Health, Postpartum Maternal Functioning, Maternal Self Care.


M. Marie Dent, Ph.D., Ed.S., M.B.A.M. Marie Dent, Ph.D., Ed.S., M.B.A.

Associate Dean for Faculty Affairs
Phone: 912-721-8148 (Savannah)

Research Interests: Student reflections and professional identity formation; faculty governance and regional campuses


Randolph Devereaux, M.S.P.H., Ph.D.Randolph Devereaux, M.S.P.H., Ph.D.

Assistant Professor
Assistant Director, Community Preceptor Network
Assistant Director, Community Medicine Program
Course Director, Community Medicine Program, Year 1 & 2
Phone: 478-301-4081 (Macon)

Research Interests: Health education and health promotion interventions, particularly in the areas of HIV/AIDS, STIs, and teen pregnancy prevention in rural and medically underserved areas of Georgia.




Brad Lian, Ph.D.Brad Lian, Ph.D.

Associate Professor
Phone: 478-301-4097 (Macon)

Research Interests: Assessment of low-income and underserved populations; psychosocial and behavioral factors related to health and human development.




Eric K. Shaw, Ph.D.Eric K. Shaw, Ph.D.

Associate Professor, Co-Phase Coordinator, Community Medicine II
Phone: 912-721-8205 (Savannah)

Research Interests: Primary care research, qualitative and mixed methods research, health disparities.


Chris Scoggins, M.P.H., Instructor for the Department of Community MedicineChris Scoggins, M.P.H.

Assistant Director, Community Outreach and Population Health
Phone: 706-223-5171 (Columbus)

Research Interests: Aging, end of life care, health policy, health literacy, and health disparities.


Yudan Wei, M.D., Ph.D., M.P.H.Yudan Wei, M.D., Ph.D., M.P.H.

Phone: 478-301-4179 (Macon)

Office location: Room 2030, Medical Education Building, Department of Community Medicine, Mercer University School of Medicine, 1550 College St., Macon, GA 31207

Research Interests: Epidemiological studies of environmental factors associated with disease etiology and prevention; Breast cancer, obesity and diabetes research.


Jacob Warren, Ph.D., M.B.A.Jacob Warren, Ph.D., M.B.A.

Associate Professor
Rufus C. Harris Endowed Chair
Director, Center for Rural Health and Health Disparities

Phone: 478-301-2884 (Macon)

Research Interests: health disparities, rural health, behavioral interventions, population health, community-based participatory research