Jonathan Steinberg is a Cardiac Electrophysiologist and a Cardiologist in Short Hills, New Jersey. Dr. Steinberg is rated as an Elite provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Atrial Fibrillation, Ventricular Fibrillation, Arrhythmias, Cardiac Ablation, and Endoscopy.

Dr. John Mondelli is a cardiologist with Atlantic Cardiology and is board certified in internal medicine, cardiovascular disease, and nuclear cardiology. A member of Atlantic Medical Group with fellowship-training in cardiology, Dr. Mondelli manages all aspects of cardiac health for his patients to help improve their quality of life. With more than 20 years of experience, Dr. Mondelli takes a wholistic approach and instills confidence in his patients by attentively listening to their concerns and taking a genuine interest in their well-being. He employs his intuitive and practical skills to establish a plan of care for each patient, explaining procedures and treatment options in a clear and understandable manner. In addition to his clinical expertise, he has been involved in clinical research endeavors studying best practices in echocardiography for evaluating cardiac function. Dr. Mondelli is a member of the American Society of Nuclear Cardiology and The American Society of Echocardiography. He is a fellow of the American College of Cardiology (ACC). After earning his degree from Northwestern University School of Medicine in Chicago, Dr. Mondelli completed his residency at the University of Michigan Hospitals. He subsequently returned to Northwestern University to pursue fellowship training which launched him into his cardiology practice with a strong clinical and academic background. Dr. Mondelli is a participating provider of the Atlantic Accountable Care Organization. Dr. Mondelli is rated as a Distinguished provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Atrial Fibrillation, Glucocorticoid-Remediable Aldosteronism, Hypertension, Heart Valve Repair, and Transcatheter Aortic Valve Replacement (TAVR).

Dr. Matthew Martinez is director of Atlantic Health Sports Cardiology at Morristown Medical Center and a nationally recognized expert in hypertrophic cardiomyopathy (HCM). He specializes in identifying and treating athletes who have underlying heart issues such as arrhythmia or HCM, a hereditary medical condition where the walls of the heart become excessively thick, obstructing blood flow from leaving the heart. Dr. Martinez treats patients at the Center for Hypertrophic Cardiomyopathy, New Jersey’s first multidisciplinary program dedicated to diagnosing and treating HCM.Board-certified and fellowship-trained in cardiovascular disease at the Mayo Clinic School of Medicine, Dr. Martinez serves as a cardiologist for the Major League Soccer, Jets, and NBA players associations, and the NFL and NHL Combines. He also maintains a thriving practice evaluating structural heart disease in both symptomatic and asymptomatic athletes using cardiac imaging, including echocardiography, stress testing, cardiac CT and cardiac MRI.Throughout his internship, residency and fellowship training at Mayo Graduate School of Medicine, Dr. Martinez was recognized with multiple honors including chief cardiology fellow, and clinical associate professorships. He received an American College of Cardiology Emerging Faculty Award, has led many educational events nationally and internationally on various cardiovascular topics, and regularly presents on sudden cardiac arrest at national meetings. He previously served as chair of the American College of Cardiology’s Sports and Exercise Section. He has also served as the educational program chairman for the international Athletic Heart Symposium on management of athletes with cardiovascular risk.Dr. Martinez is available for consultation in athletes and active individuals with acquired conditions including hypertension, coronary artery disease, arrhythmia and valvular disease, in addition to those with hereditary cardiovascular disease, such as heart muscle, electrical, valvular and artery diseases, including hypertrophic cardiomyopathy. Dr. Martinez is rated as a Distinguished provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Hypertrophic Cardiomyopathy (HCM), Cardiomyopathy, Familial Hypertrophic Cardiomyopathy, Pacemaker Implantation, and Cardiac Ablation.

Derek Santiago, MD, received his medical degree from Columbia University College of Physicians and Surgeons in 1988. He completed his Internal Medicine residency at North Shore/Cornell University and Memorial-Sloan Kettering Hospitals. He returned to Columbia Presbyterian Hospital where he completed his fellowship training in Cardiology and Interventional Cardiology.He is board certified in cardiovascular diseases and interventional cardiology by the American Board of Internal Medicine, and is author of more than 20 papers/abstracts in various fields of cardiology.He has been in practice in Morristown since 1996. He is an attending and interventional cardiologist at Morristown Medical Center. Dr. Santiago is rated as a Distinguished provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Atrial Fibrillation, Cardiomyopathy, Aortic Valve Stenosis, and Atherosclerosis.

Allen Hsieh, MD, received his degree in medicine from The Johns Hopkins School of Medicine in Baltimore. His internship and residency were at The Johns Hopkins Hospital. He also completed a fellowship in cardiology and echocardiography at Duke University Medical Center in Durham, North Carolina. Dr. Hsieh is rated as a Distinguished provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Atrial Fibrillation, Familial Progressive Cardiac Conduction Defect, Atherosclerosis, and Coronary Heart Disease.

David Freilich is a Cardiologist in Morristown, New Jersey. Dr. Freilich is rated as a Distinguished provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Familial Progressive Cardiac Conduction Defect, and Heart Attack. Dr. Freilich is currently accepting new patients.

Jay Curwin is a Cardiac Electrophysiologist in Morristown, New Jersey. Dr. Curwin is rated as an Experienced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Arrhythmias, Ventricular Tachycardia, Catecholaminergic Polymorphic Ventricular Tachycardia, Pacemaker Implantation, and Cardiac Ablation. Dr. Curwin is currently accepting new patients.

Timothy Mahoney is a Cardiologist in Morristown, New Jersey. Dr. Mahoney is rated as a Distinguished provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Ventricular Tachycardia, Catecholaminergic Polymorphic Ventricular Tachycardia, Arrhythmias, Pacemaker Implantation, and Cardiac Ablation. Dr. Mahoney is currently accepting new patients.

Stephen Winters is a Cardiologist in Morristown, New Jersey. Dr. Winters is rated as a Distinguished provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Ventricular Fibrillation, Ventricular Tachycardia, Arrhythmias, Pacemaker Implantation, and Cardiac Ablation. Dr. Winters is currently accepting new patients.

Daniel Amoruso, MD Daniel Amoruso, MD is a clinical and interventional cardiologist at Morristown Medical Center. He completed his undergraduate studies at Boston College, earned his MD at Rutgers University, and went on to complete his medical training at Weill-Cornell Medical Center and Mount Sinai Beth Israel in New York City. He recently returned to his home state of New Jersey to build a practice and to raise his family. He is a physician with the Atlantic Cardiology Group, part of Morristown Medical Center, offering a wide range of cardiovascular services in both office and hospital-based settings. These services include preventative cardiovascular health, diagnostic and imaging studies such as stress testing and echocardiography, and minimally invasive procedures for treatment of coronary artery and peripheral vascular disease. Dr. Amoruso is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Atrial Fibrillation, Familial Progressive Cardiac Conduction Defect, Arrhythmias, and Catecholaminergic Polymorphic Ventricular Tachycardia.

Amy M. Ahnert, MD, is a fellowship-trained noninvasive cardiologist with Atlantic Medical Group (AMG). Board-certified in cardiovascular disease by the American Board of Internal Medicine, she serves as director of the Women’s Heart Program at Morristown Medical Center. Dr. Ahnert specializes in the diagnosis and treatment of heart issues in women and has more than 20 years of experience in spontaneous coronary artery dissection, vascular disease in women, cardio-obstetrics, preeclampsia, sports cardiology for females, and preventative cardiology. She also has advanced training and expertise in advanced imaging methods including echocardiography (level III) and nuclear cardiology (level II).After earning her medical degree at Weill Medical College of Cornell University, New York, NY, Dr. Ahnert performed her residency in internal medicine at New York-Presbyterian Hospital/Weill Cornell Medical Center, also in NYC, where she was named chief resident. She went on to complete a fellowship in cardiology at Lehigh Valley Hospital, Allentown, PA. Prior to joining AMG, she was director of a women’s heart and vascular program and director of clinical cardiology at a hospital in Pennsylvania.The author of numerous publications in peer-reviewed medical journals, Dr. Ahnert also serves as a reviewer for articles in the fields of cardiology, women’s heart health and cardio-obstetrics for the American Journal of Cardiology. She has presented at many national and international meetings, and has served as an invited speaker on many topics in women’s heart health at meetings and on news programs. Dr. Ahnert is a participating provider of the Atlantic Accountable Care Organization. Dr. Ahnert is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. Her top areas of expertise are Atrial Fibrillation, Pediatric Myocarditis, Heart Attack, Aortic Regurgitation, and Pacemaker Implantation.

A graduate of the University of Pennsylvania School of Medicine in Philadelphia, Dr. von Poelnitz went on to complete her internship and residency at The New Your Hospital, Cornell Medical Center. She also completed a fellowship in cardiovascular diseases at Mount Sinai Medical Center in New York City. Dr. Vonpoelnitz is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. Her top areas of expertise are Coronary Heart Disease, Arterial Embolism, Arrhythmias, and Sick Sinus Syndrome.

Stephen Verdesca, MD, has been in practice in Morristown since 1996. He received his medical degree from the University of Medicine and Dentistry of New Jersey/New Jersey Medical School. He completed his Internal Medicine residency at Thomas Jefferson University Hospital in Philadelphia and his Cardiology fellowship at Rhode Island Hospital/Brown University.He is board certified in cardiology and nuclear cardiology from the American Board of Internal Medicine, and is a Fellow of the American College of Cardiology. Dr. Verdesca is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Coronary Heart Disease, Cardiomyopathy, Arrhythmias, and Sick Sinus Syndrome.

Josh Weisbrot, MD, FACC, is co-managing partner of Morristown Cardiology Associates and member of the Gagnon Cardiovascular Institute Executive Committee at Morristown Medical Center. Committed to personalized, evidence-based cardiovascular care, he helps patients manage and prevent heart disease using the latest research. He believes in educating and empowering his patients, ensuring they feel confident in their healthcare decisions. Patients appreciate his attentive, efficient approach and dedication to their well-being.His clinical interests include preventative cardiology, cholesterol management, evaluation of elevated calcium score, high blood pressure treatment, heart valve disease such as aortic and mitral valve issues, cardiac arrhythmias such as atrial fibrillation and SVT, evaluation of chest pain, palpitations, and shortness of breath. He also specializes in noninvasive cardiac imaging such as echocardiography and stress testing. Dr. Weisbrot graduated with honors, summa cum laude, from Rensselaer Polytechnic Institute as part of their Physician-Scientist Program with Albany Medical College. He earned his medical degree with honors, magna cum laude with distinction in research and was inducted into the Alpha Omega Alpha Honor Society at Albany Medical College. He then completed his residency and cardiology fellowship at Weill Cornell Medical Center–New York-Presbyterian Hospital, where he was a member of the fellowship curriculum committee. After training, he joined Morristown Cardiology Associates and staff at Morristown Medical Center, where he actively trains cardiology fellows and serves on committees focused on improving patient care and health care team efficiency.He is Board Certified in Cardiovascular Disease, Comprehensive Echocardiography, Nuclear Cardiology, and Vascular ultrasound. He is a Fellow of the American College of Cardiology, and a member of the American Heart Association and the American Society of Echocardiography. Dr. Weisbrot is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Atherosclerosis, Coronary Heart Disease, Atrial Fibrillation, and Aortic Valve Stenosis.

Craig Rosen, MD, is in an interventional cardiologist at Morristown Cardiology Associates. He received his medical degree from New York University School of Medicine in New York. He went on to complete fellowships in cardiology and interventional cardiology at New York Presbyterian Hospital – Cornell Medical Center. Dr. Rosen is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Coronary Heart Disease, Angina, Atherosclerosis, Atherectomy, and Angioplasty.

Richard Watson, MD, completed his medical degree at Tufts University School of Medicine in Boston. His internship, residency and fellowship in cardiovascular diseases were at University of Michigan Affiliated Hospitals in An Arbor. He also completed his fellowship in angioplasty at Hackensack University Medical Center. Dr. Watson is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Coronary Heart Disease, Arrhythmias, Sick Sinus Syndrome, and Familial Ventricular Tachycardia.

Jeffrey Schwartz, MD, received his medical degree from Cornell University Medical College. He served his internship and residency in Internal Medicine at Yale-New Haven Hospital and completed his training in cardiology at Harvard-Beth Israel Deaconess Medical Center. Dr. Schwartz is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Coronary Heart Disease, Arrhythmias, Arterial Embolism, and Sick Sinus Syndrome.

John Cosmi is a Cardiologist in Morristown, New Jersey. Dr. Cosmi is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Arrhythmias, Familial Neurocardiogenic Syncope, Sick Sinus Syndrome, and Familial Dilated Cardiomyopathy. Dr. Cosmi is currently accepting new patients.

Leonid Mandel is a Cardiologist and an Interventional Cardiologist in Morristown, New Jersey. Dr. Mandel is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Coronary Heart Disease, Cardiomyopathy, Atrial Fibrillation, Angina, and Cardiac Ablation. Dr. Mandel is currently accepting new patients.

Mark Blum is a Cardiologist and an Interventional Cardiologist in Morristown, New Jersey. Dr. Blum is rated as an Advanced provider by MediFind in the treatment of Atrial Fibrillation. His top areas of expertise are Arrhythmias, Sick Sinus Syndrome, Thoracic Aortic Aneurysm, and Wolff-Parkinson-White Syndrome. Dr. Blum is currently accepting new patients.