Dr. Monika S. Yadav

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 Premenstrual Syndrome. Her top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and Sitosterolemia.

Kira Colbert is a primary care provider, practicing in Internal Medicine in Alpharetta, Georgia. Dr. Colbert has been practicing medicine for over 15 years and is rated as an Advanced provider by MediFind in the treatment of Premenstrual Syndrome. Her top areas of expertise are Obesity, Familial Combined Hyperlipidemia, Xanthoma, and Cirrhosis.

Samer Blackmon, MD is co-owner of Acorn to Oak Health (ATO), a membership-based Internal Medicine and Pediatric practice. ATO is a proud member of the Piedmont Clinic. Dr. Blackmon is a graduate of the Honors Program in Medicine from the University of Miami. She completed her residency at Emory Univesity. Board-certified in Internal Medicine, Dr. Blackmon specializes in caring for medically complex adults, with expertise and love for geriatrics. Prior to ATO, she worked in both Primary Care and Academic settings.With over 20 years of experience and a passion for relationship-driven medicine, Dr. Blackmon strives to deliver care that goes beyond treating symptoms. She believes in the power of preventive health, focusing on your total well-being including fitness, nutrition, and cognitive/emotional health.Outside of work, Dr. Blackmon enjoys spending time with her husband and two young sons; gardening, traveling, and reading. She values community connections and enjoys engaging with friends and neighbors.Dr. Blackmon is accepting new patients and welcomes most major insurance plans, medicaid is not accepted at this time. Dr. Blackmon is rated as a Distinguished provider by MediFind in the treatment of Premenstrual Syndrome. Her top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Familial Hypertension, and High Cholesterol.