
Overview
Dr. Chad Armstrong comes to The Chattanooga Heart Institute from Vanderbilt University Medical Center where he completed a fellowship in Cardiovascular Medicine and where he also completed an Internal Medicine residency. Dr. Armstrong sees patients at our Chattanooga Glenwood office and at our Hixson office.
Dr. Armstrong is rated as an Advanced provider by MediFind in the treatment of Dilated Cardiomyopathy (DCM). His top areas of expertise are Mitral Valve Regurgitation, Necrosis, Aortic Regurgitation, and Aortic Valve Stenosis.
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
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- MEDICARE MAPD
- OTHER MEDICARE
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- 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
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- 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
2501 Citico Avenue, Chattanooga, TN 37404
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.
The Chattanooga Heart Institute - Chattanooga
Dr. Keith Bruce is a native of Cleveland, Tennessee. He is board certified in internal medicine, cardiovascular, and clinical cardiac electrophysiology.Dr. Bruce specializes in the treatment of cardiac arrhythmias, ablation, heart rhythm disorders, and implantable cardiac devices. He is currently participating in a national trial on atrial fibrillation and has previously participated in multiple preclinical trials for implantable devices and preclinical drug trials.Dr. Bruce is the recipient of numerous significant awards including the Mayo Clinic’s Cardiovascular Diseases Outstanding Achievement Award in 2005. He has made numerous national and international presentations on cardiac topics. Dr. Bruce is rated as a Distinguished provider by MediFind in the treatment of Dilated Cardiomyopathy (DCM). His top areas of expertise are Arrhythmias, Dilated Cardiomyopathy (DCM), Atrial Fibrillation, Pacemaker Implantation, and Cardiac Ablation.
Adventist Health System Georgia Inc
Robert Styperek is a Cardiac Electrophysiologist and a Cardiologist in Calhoun, Georgia. Dr. Styperek is rated as a Distinguished provider by MediFind in the treatment of Dilated Cardiomyopathy (DCM). His top areas of expertise are Atrial Fibrillation, Dilated Cardiomyopathy (DCM), Cardiomyopathy, Pacemaker Implantation, and Cardiac Ablation. Dr. Styperek is currently accepting new patients.
The Chattanooga Heart Institute - Chattanooga
Dr. Gregg Shander’s research on the heart’s electrical functions adds a new dimension to The Chattanooga Heart Institute’s renowned electrophysiology expertise. Dr. Shander has been interested in heart rhythm disturbances since he was in medical school. He received the Stanley J. Sarnoff award for cardiovascular research through which he studied rhythm disturbances. He transferred this interest from research into the care of his patients.Dr. Shander earned his doctor of medicine degree at the University of Pittsburgh School of Medicine in Pittsburgh, Pennsylvania, and completed his internal medicine internship and residency at the University of Chicago Hospital. He performed research involving arrhythmias at the University of Amsterdam, The Netherlands, and the University of Chicago. He completed his general cardiology and electrophysiology fellowships at Duke University Medical Center in Durham, North Carolina, where he received further training in cardiac pacing and clinical electrophysiology including radiofrequency ablation.Dr. Shander received the American Heart Association Basic Sciences Research Award from the Chicago Chapter. He has also presented before the American Heart Association’s scientific sessions and at numerous other cardiovascular research symposiums. He has been published in the Journal of Cardiovascular Electrophysiology, the Journal of American Physiology, the Journal of Molecular and Cellular Cardiology, and the supplement to the American Heart Association’s journal, Circulation.|Dr. Shander, his wife, and two children enjoy spending time doing activities as a family. Dr. Shander is rated as a Distinguished provider by MediFind in the treatment of Dilated Cardiomyopathy (DCM). His top areas of expertise are Atrial Fibrillation, Arrhythmias, Dilated Cardiomyopathy (DCM), Pacemaker Implantation, and Cardiac Ablation.
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
- Aortic RegurgitationDr. Armstrong isDistinguished. Learn about Aortic Regurgitation.
- Aortic Valve StenosisDr. Armstrong isDistinguished. Learn about Aortic Valve Stenosis.
- AtherosclerosisDr. Armstrong isDistinguished. Learn about Atherosclerosis.
- Coronary Heart DiseaseDr. Armstrong isDistinguished. Learn about Coronary Heart Disease.
- Mitral Valve RegurgitationDr. Armstrong isDistinguished. Learn about Mitral Valve Regurgitation.
- NecrosisDr. Armstrong isDistinguished. Learn about Necrosis.
- Advanced
- Adenosine Deaminase 2 DeficiencyDr. Armstrong isAdvanced. Learn about Adenosine Deaminase 2 Deficiency.
- AnginaDr. Armstrong isAdvanced. Learn about Angina.
- ApoplexyDr. Armstrong isAdvanced. Learn about Apoplexy.
- Arterial EmbolismDr. Armstrong isAdvanced. Learn about Arterial Embolism.
- Atrial FibrillationDr. Armstrong isAdvanced. Learn about Atrial Fibrillation.
- Cardiac ArrestDr. Armstrong isAdvanced. Learn about Cardiac Arrest.
- Experienced
- Abdominal Aortic Aneurysm (AAA)Dr. Armstrong isExperienced. Learn about Abdominal Aortic Aneurysm (AAA).
- Aortic DissectionDr. Armstrong isExperienced. Learn about Aortic Dissection.
- Apolipoprotein C2 DeficiencyDr. Armstrong isExperienced. Learn about Apolipoprotein C2 Deficiency.
- ArrhythmiasDr. Armstrong isExperienced. Learn about Arrhythmias.
- Arrhythmogenic Right Ventricular Cardiomyopathy
- Arterial InsufficiencyDr. Armstrong isExperienced. Learn about Arterial Insufficiency.

