Overview
Margaret Still is a primary care provider, practicing in Internal Medicine in Roswell, Georgia. Dr. Still has been practicing medicine for over 39 years and is rated as an Experienced provider by MediFind in the treatment of Migraine with Brainstem Aura. Her top areas of expertise are High Cholesterol, Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, and Hypertension.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- INSURANCE PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE
- PPO
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- PPO
- INSURANCE PLAN
- MEDICARE PDP
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- POS
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER MEDICARE
- POS
- PPO
- OTHER MANAGED MEDICAID
- PPO
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
1380 Upper Hembree Road, Roswell, GA 30076
Piedmont Physicians Of Brookhaven
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.
Northeast Georgia Diagnostic Clinic - Gainesville
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.
Piedmont Primary Care At Fischer Marketplace
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.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- COVID-19Dr. Still isAdvanced. Learn about COVID-19.
- Familial HypertensionDr. Still isAdvanced. Learn about Familial Hypertension.
- Glucocorticoid-Remediable Aldosteronism
- High CholesterolDr. Still isAdvanced. Learn about High Cholesterol.
- HypertensionDr. Still isAdvanced. Learn about Hypertension.
- HypothyroidismDr. Still isAdvanced. Learn about Hypothyroidism.
- Experienced
- Abdominal Obesity Metabolic SyndromeDr. Still isExperienced. Learn about Abdominal Obesity Metabolic Syndrome.
- AcneDr. Still isExperienced. Learn about Acne.
- AcrospiromaDr. Still isExperienced. Learn about Acrospiroma.
- Allergic RhinitisDr. Still isExperienced. Learn about Allergic Rhinitis.
- Alopecia AreataDr. Still isExperienced. Learn about Alopecia Areata.
- AnemiaDr. Still isExperienced. Learn about Anemia.

