
Overview
Dr. Johnston joined the Cardiology Faculty in 2008 and currently practices Interventional Cardiology at Johns Hopkins Hospital, Bayview Medical Center, and Johns Hopkins Howard County Medical Center. His primary research interest is in novel therapies for heart failure and he is involved in both clinical trials and pre-clinical studies currently underway at Johns Hopkins.
Dr. Johnston is rated as an Experienced provider by MediFind in the treatment of Short QT Syndrome. His top areas of expertise are Heart Attack, Apoplexy, Arterial Embolism, Bone Marrow Aspiration, and Percutaneous Coronary Intervention (PCI).
His clinical research consists of co-authoring 28 peer reviewed articles and participating in 1 clinical trial. 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
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- INSURANCE PLAN
- MEDICARE PDP
- PPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- HMO
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE-MEDICAID PLAN
- 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
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
301 Mason Lord Drive, Suite 3300, Suite 3300, Baltimore, MD 21224
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.
1 Clinical Trials
Cardiology & Internal Medicine PA
Dr. Joseph A. Vassallo is a cardiologist affiliated with Sibley Memorial Hospital and Suburban Hospital. He practices out of Cardiology and Internal Medicine, located in Chevy Chase, Maryland. Dr. Vassallo has expertise in cardiovascular disease, arrhythmia evaluation and internal medicine. Dr. Vassallo earned his medical degree from State University of New York at Buffalo School of Medicine. He completed a residency in internal medicine at New England Medical Center. Dr. Vassallo is a fellow of the American College of Cardiology. Dr. Vassallo is rated as a Distinguished provider by MediFind in the treatment of Short QT Syndrome. His top areas of expertise are Heart Murmurs, Hypertension, Glucocorticoid-Remediable Aldosteronism, and High Cholesterol.
Adventist HealthCare Cardiac Associates
Rajeev Patel is a Cardiologist in Rockville,, Maryland. Dr. Patel is rated as a Distinguished provider by MediFind in the treatment of Short QT Syndrome. His top areas of expertise are Heart Attack, Apoplexy, Inappropriate Sinus Tachycardia (IST), and Familial Ventricular Tachycardia.
The Johns Hopkins Hospital
Dr. Thomas Stephen Metkus is an assistant professor of cardiology at the Johns Hopkins University School of Medicine. His research focuses on using cardiac physiology for risk stratification and therapeutics in non-cardiac critical illness such as sepsis and the acute respiratory distress syndrome (ARDS), and optimizing the management of non-cardiac organ failure in primary cardiac diseases such as heart failure and acute coronary syndromes. Dr. Metkus received his undergraduate degree from Boston University College of Engineering. He earned a medical degree from the University of Pennsylvania School of Medicine and completed a residency at Brigham and Women’s Hospital. After completing residency, Dr. Metkus was a clinical fellow at both Harvard Medical School and Johns Hopkins Hospital. Prior to joining the faculty at the Johns Hopkins Medical School he was an instructor of medicine at the Harvard Medical School. His educational focus includes teaching clinical cardiology and critical care, echocardiography, and electrocardiography to students, residents, and fellows at the Johns Hopkins Hospital. Videos Dr. Thomas Metkus. Dr. Metkus is rated as a Distinguished provider by MediFind in the treatment of Short QT Syndrome. His top areas of expertise are Heart Attack, Apoplexy, Arterial Embolism, Heart Bypass Surgery, and Coronary Artery Bypass Graft (CABG).
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
- ApoplexyDr. Johnston isDistinguished. Learn about Apoplexy.
- Heart AttackDr. Johnston isDistinguished. Learn about Heart Attack.
- Advanced
- AnginaDr. Johnston isAdvanced. Learn about Angina.
- Arterial EmbolismDr. Johnston isAdvanced. Learn about Arterial Embolism.
- AtherosclerosisDr. Johnston isAdvanced. Learn about Atherosclerosis.
- Bone Marrow AspirationDr. Johnston isAdvanced. Learn about Bone Marrow Aspiration.
- Coronary Heart DiseaseDr. Johnston isAdvanced. Learn about Coronary Heart Disease.
- Familial Ventricular TachycardiaDr. Johnston isAdvanced. Learn about Familial Ventricular Tachycardia.
- Experienced
- AngioplastyDr. Johnston isExperienced. Learn about Angioplasty.
- Anomalous Left Coronary Artery from the Pulmonary Artery
- ArrhythmiasDr. Johnston isExperienced. Learn about Arrhythmias.
- Arrhythmogenic Right Ventricular Cardiomyopathy
- Atrial FibrillationDr. Johnston isExperienced. Learn about Atrial Fibrillation.
- Bidirectional TachycardiaDr. Johnston isExperienced. Learn about Bidirectional Tachycardia.
