Dr. Larry G. Ray

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 Migraine with Brainstem Aura. Her top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Sitosterolemia.

Ryan Nadelson is a primary care provider, practicing in Internal Medicine in Gainesville, Georgia. Dr. Nadelson is rated as a Distinguished provider by MediFind in the treatment of Migraine with Brainstem Aura. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Familial Hypertension, Hypertension, and High Cholesterol.

Mary Lane, M.D., obtained a Bachelor of Science in biochemistry from Georgia Institute of Technology. She received a medical degree from Emory University School of Medicine in Atlanta, Ga. Dr. Lane completed a residency in internal medicine at Case Western Reserve University School of Medicine at MetroHealth Medical Center in Cleveland, Ohio. Prior to joining Piedmont Physicians Group, Dr. Lane practiced at the MetroHealth Beachwood Health Center and served as an assistant professor at Case Western Reserve University School for Medicine. She is board certified in internal medicine and is a member of the American College of Physicians. In her spare time, Dr. Lane enjoys hiking, running, and spending time with her family. Dr. Lane welcomes new patients and accepts most insurance plans. Dr. Lane is rated as a Distinguished provider by MediFind in the treatment of Migraine with Brainstem Aura. Her top areas of expertise are Hypothyroidism, Sitosterolemia, Familial Hypertension, and Hypertension.