
Overview
Dr. Doughan received his medical degree from the American University of Beirut in Lebanon, where he also completed his internship. From Lebanon, he came to Emory University School of Medicine in 2002 to complete his internal medicine residency and cardiology fellowship. Dr. Doughan is board certified by the American Board of Internal Medicine in internal medicine and cardiovascular disease. He is also board certified in Nuclear Cardiology and Cardiovascular Computed Tomography (CT) and Testamur of the National Board of Echocardiography.
Dr. Doughan is rated as an Experienced provider by MediFind in the treatment of Atrial Myxoma. His top areas of expertise are Glucocorticoid-Remediable Aldosteronism, Hypertension, Pulmonary Edema, Heart Failure, and Pacemaker Implantation.
His clinical research consists of co-authoring 1 peer reviewed article. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- HMO
- PPO
- EPO
- HMO
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- PPO
- HMO
- POS
- PPO
- HMO
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE PART D
Accepted plan types not found. Please verify directly with the provider.
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- 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
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- PPO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER COMMERCIAL
- 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
3333 Jodeco Road, Mcdonough, GA 30253
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Piedmont Heart Of Newnan
Ryan K. Crisel, M.D. obtained a Bachelor of Science in mechanical engineering from Rose-Hulman Institute of Technology. He received a medical degree from Emory University School of Medicine in Atlanta, Ga. Dr. Crisel completed internal medicine residency in the department of medicine at the University of California-San Francisco. Dr. Crisel then completed a fellowship in cardiovascular medicine at Northwestern University. Dr. Crisel joins Piedmont Heart after recently completing a fellowship in interventional cardiology at Emory University. He is board certified in internal medicine, cardiovascular medicine, echocardiography, nuclear cardiology, and physician's vascular interpretation. Dr. Crisel is a member of the American College of Cardiology and the American Medical Association. In his spare time, Dr. Crisel enjoys playing basketball, downhill skiing and hiking. Dr. Crisel welcomes new patients and accepts most insurance plans. Dr. Crisel is rated as a Distinguished provider by MediFind in the treatment of Atrial Myxoma. His top areas of expertise are Heart Attack, Angina, Coronary Heart Disease, and Atherosclerosis.
Piedmont Heart Of Buckhead
Steven Sigman, M.D. earned his undergraduate degree from Ohio State University and his medical degree from the Medical College of Ohio. He subsequently completed a medical residency and cardiology fellowships at Thomas Jefferson University Hospital, Philadelphia and Emory respectively. Following that he served as chief resident at Grady Memorial Hospital. Prior to joining Piedmont Heart Institute in 2009, Dr. Sigman was assistant professor of medicine (cardiology) at Emory University. Dr. Sigman is currently board certified in both cardiovascular diseases and nuclear cardiology. He currently serves as the Director of Nuclear Cardiology for Piedmont Hospital and the Piedmont Heart Institute. He also serves as a cardiology consultant both in the office and at Piedmont Hospital. His interests include diagnosis and management of coronary artery disease, valvular heart disease, vascular disease, and cardiac manifestations of complex medical conditions. Dr. Sigman is a Fellow of the American College of Cardiology, and the America Society of Nuclear Cardiology. He has authored or co-authored several publications and abstracts and frequently lectures on the topic of cardiac imaging. He lives in Atlanta with his wife, Carolyn H. Sigman M.D., and his 5 children. Dr. Sigman is rated as a Distinguished provider by MediFind in the treatment of Atrial Myxoma. His top areas of expertise are Pulmonary Edema, Heart Failure, Angina, Pacemaker Implantation, and Cardiac Ablation.
Wellstar Medical Group LLC
David Caras is a Cardiologist in Marietta, Georgia. Dr. Caras is rated as a Distinguished provider by MediFind in the treatment of Atrial Myxoma. His top areas of expertise are Heart Failure with Preserved Ejection Fraction (HFpEF), Heart Failure, Pulmonary Edema, Cardiac Ablation, and Pacemaker Implantation.
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
- Distinguished
- Arrhythmogenic Right Ventricular Cardiomyopathy
- Atrial FibrillationDr. Doughan isDistinguished. Learn about Atrial Fibrillation.
- CardiomyopathyDr. Doughan isDistinguished. Learn about Cardiomyopathy.
- Glucocorticoid-Remediable AldosteronismDr. Doughan isDistinguished. Learn about Glucocorticoid-Remediable Aldosteronism.
- Heart FailureDr. Doughan isDistinguished. Learn about Heart Failure.
- Heart Failure with Preserved Ejection Fraction (HFpEF)
- Advanced
- AnginaDr. Doughan isAdvanced. Learn about Angina.
- ApoplexyDr. Doughan isAdvanced. Learn about Apoplexy.
- ArrhythmiasDr. Doughan isAdvanced. Learn about Arrhythmias.
- Arterial EmbolismDr. Doughan isAdvanced. Learn about Arterial Embolism.
- AtherosclerosisDr. Doughan isAdvanced. Learn about Atherosclerosis.
- Cardiac ArrestDr. Doughan isAdvanced. Learn about Cardiac Arrest.
- Experienced
- Acute Coronary SyndromeDr. Doughan isExperienced. Learn about Acute Coronary Syndrome.
- Anomalous Left Coronary Artery from the Pulmonary Artery
- Aortic RegurgitationDr. Doughan isExperienced. Learn about Aortic Regurgitation.
- Aortic Valve StenosisDr. Doughan isExperienced. Learn about Aortic Valve Stenosis.
- Arterial InsufficiencyDr. Doughan isExperienced. Learn about Arterial Insufficiency.
- Atrial MyxomaDr. Doughan isExperienced. Learn about Atrial Myxoma.

