Dr. James E. Warren

Carolyn H. Sigman, M.D., graduated with her bachelor's degree from Franklin and Marshall College in Lancaster, Pennsylvania. She earned her medical degree at Jefferson Medical College in Philadelphia. She then completed her internship and residency in internal medicine at Emory University. Following that, she served as chief resident at Emory University Hospital. Prior to joining Piedmont Physicians, Dr. Sigman was in private practice in Roswell and Alpharetta. With more than twenty years of experience, she is board certified in internal medicine and a member of the American College of Physicians. Dr. Sigman lives in Brookhaven with her husband, Steven Sigman, M.D., and their five children. Dr. Sigman welcomes new patients and accepts most insurance plans. Dr. Sigman is rated as an Advanced provider by MediFind in the treatment of Cyclic Vomiting Syndrome. Her top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Sitosterolemia.

Marsha-Gail Davis, MD, MPH earned her medical degree from the University of California, San Diego, her MPH degree from San Diego State University and completed her internal medicine residency at Yale Primary Care Residency Program and her preventive medicine residency at University of California, San Diego. She received her undergraduate degree in Biology from Swarthmore College and is board certified in Internal Medicine by the American Board of Internal Medicine. She is a also board-certified in Preventive Medicine, Lifestyle Medicine and Obesity Medicine. She is originally from the beautiful island of Jamaica.Dr. Davis specializes in internal medicine, preventative medicine, lifestyle medicine and obesity medicine and combines all four specialties to assist her patients in living a long and healthy life and avoiding the morbidity and mortality that has become a familiar experience and expectation of many patients.Dr. Davis accepts most major insurance plans. Dr. Davis is rated as an Advanced provider by MediFind in the treatment of Cyclic Vomiting Syndrome. Her top areas of expertise are Familial Combined Hyperlipidemia, Xanthoma, Familial Hypopituitarism, and Cirrhosis.

Connie DuPre, M.D., FACP, earned her undergraduate and medical degree from Louisiana State University. She completed her Internal Medicine residency at the Medical College of Georgia and fellowship in Faculty Development at the University of North Carolina School of Medicine. She remained on faculty as an Associate Professor of Medicine at the Medical College of Georgia in the department of medicine for ten years before going into private practice. Prior to joining Piedmont Physicians, Dr. DuPre worked in private practice south of Atlanta for more than 16 years. She is a member of Alpha Omega Alpha medical society and attained fellowship status in the American College of Physicians. Her special interests are diabetes and obesity management. In her spare time, Dr. DuPre enjoys spending time with her family as well as gardening. Dr. Dupre is rated as a Distinguished provider by MediFind in the treatment of Cyclic Vomiting Syndrome. Her top areas of expertise are Diabetic Hyperglycemic Hyperosmolar Syndrome, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension.