Board Certification

  • Internal Medicine


Internship and Residency

University of Connecticut Health Center  
Internal Medicine
Farmington, CT
1993 and 1995

Medical School

Morehouse School of Medicine
Doctor of Medicine
Atlanta, GA

Graduate School

University of Georgia
Master of Science
Athens, GA

Undergraduate School

Valdosta State University
Bachelor of Science in Chemistry
Valdosta, GA

Hospitals Affiliated With

DeKalb Medical Center at Decatur
DeKalb Medical Center at Hillandale


“Enzymes of energy metabolism in hatchlings of Amazonian freshwater turtles (Testudines, Podocnemididae)” Brazilian Journal of Biology, (2009): Duncan, W.P., Marcon, J.L.

“Ionic regulation and Na(+)-K(+)-ATPase activity in gills and kidney of the freshwater stingray Paratrygon aiereba living in white and black waters in the Amazon Basin” Journal of Fish Biology, (2009): Duncan, W.P., Costa, O.T., Araújo, M.L., Fernandes, M.N.


Dr. Duncan is passionate about Internal Medicine and working closely with his patients across the Lithonia-area to help them achieve their optimal health. Dr. Duncan went to Valdosta State University in Valdosta, GA, and completed his doctoral training at Morehouse School of Medicine in Atlanta, GA.