Ronald D. Berger
Elite in Arrhythmias

Dr. Ronald D. Berger

Cardiac Electrophysiology | Cardiology
Johns Hopkins Medicine
Johns Hopkins Outpatient Center
601 North Caroline Street, Suite 7200, Suite 7200, 
Baltimore, MD 
Offers Telehealth

Elite in Arrhythmias
Johns Hopkins Medicine
Johns Hopkins Outpatient Center
601 North Caroline Street, Suite 7200, Suite 7200, 
Baltimore, MD 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Degrees: BS: Massachusetts Institute of Technology 1981 Electrical Engineering MS: Massachusetts Institute of Technology 1983 Electrical Engineering PhD: Massachusetts Institute of Technology 1987 Electrical Engineering MD: Harvard 1987 Medicine Professional Appointments: 1987-1988 Intern in Medicine, Brigham and Women's Hospital 1988-1990 Resident in Medicine, Brigham and Women's Hospital 1988-1990 Research Scientist, Harvard M.I.T. Division of H.S.T. 1990-1993 Fellow in Cardiology, Johns Hopkins University 1993-1998 Assistant Professor of Medicine, Johns Hopkins University 1996- Co-Director of Cardiac Electrophysiology, Johns Hopkins Hospital 1998-2005 Associate Professor of Medicine, Johns Hopkins University 2002-2005 Associate Professor of Biomedical Engineering, Johns Hopkins University 2005- Professor of Medicine, Johns Hopkins University 2005- Professor of Biomedical Engineering, Johns Hopkins University.

Dr. Berger is rated as an Elite provider by MediFind in the treatment of Arrhythmias. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Ventricular Tachycardia, Cardiac Ablation, and Pacemaker Implantation.

His clinical research consists of co-authoring 188 peer reviewed articles and participating in 5 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 49 articles in the study of Arrhythmias.

Graduate Institution
Massachusetts Institute Of Technology, PhD, 1987
Residency
Brigham and Women's Hospital, 1990
Specialties
Cardiac Electrophysiology
Cardiology
Licenses
Internal Medicine in MD
Board Certifications
American Board Of Internal Medicine
Fellowships
Johns Hopkins University School of Medicine, 1993
Hospital Affiliations
The Johns Hopkins Hospital
Johns Hopkins Bayview Medical Center
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
CareFirst
  • HMO
  • POS
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
First Health
  • INSURANCE PLAN
  • MEDICARE PDP
  • PPO
Geisinger
  • HMO
  • POS
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Horizon Healthcare
  • EPO
  • POS
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Johns Hopkins Healthcare
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE-MEDICAID PLAN
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 9 Less Insurance Carriers -

Locations

Johns Hopkins Outpatient Center
601 North Caroline Street, Suite 7200, Suite 7200, Baltimore, MD 21287
Call: 443-997-0270

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.


5 Clinical Trials

iCLAS™ for Persistent Atrial Fibrillation
iCLAS™ for Persistent Atrial Fibrillation
Enrollment Status: Active_not_recruiting
Publish Date: April 24, 2024
Intervention Type: Device
Study Phase: Not Applicable
Non-randomized, Multicenter Expanded Use Evaluation of the LARIAT® Suture Delivery Device (Appendix 16 to Ongoing Investigation)
Non-randomized, Multicenter Expanded Use Evaluation of the LARIAT® Suture Delivery Device (Appendix 16 to Ongoing Investigation)
Enrollment Status: Completed
Publish Date: March 12, 2024
Intervention Type: Device
Study Phase: Not Applicable
Patient Specific Optimized Therapy Post-Market Clinical Follow-up Study
Patient Specific Optimized Therapy Post-Market Clinical Follow-up Study
Enrollment Status: Terminated
Publish Date: June 08, 2023
Intervention Type: Device
Left Atrial Appendage Ligation With the LARIAT™ Suture Delivery System as Adjunctive Therapy to Pulmonary Vein Isolation for Persistent or Longstanding Persistent Atrial Fibrillation
Left Atrial Appendage Ligation With the LARIAT™ Suture Delivery System as Adjunctive Therapy to Pulmonary Vein Isolation for Persistent or Longstanding Persistent Atrial Fibrillation
Enrollment Status: Unknown
Publish Date: September 05, 2021
Intervention Type: Device
Study Phase: Not Applicable
Cardiac Surgery and the Risk of Atrial Fibrillation: an Intervention Trial Evaluating Melatonin
Cardiac Surgery and the Risk of Atrial Fibrillation: an Intervention Trial Evaluating Melatonin
Enrollment Status: Withdrawn
Publish Date: August 12, 2021
Intervention Type: Drug
Study Drug: Melatonin
Study Phase: Phase 2
View 4 Less Clinical Trials

186 Total Publications

Trends of Single-Center Complication Rates for Catheter Ablation of Atrial Fibrillation from 2015-2024.
Trends of Single-Center Complication Rates for Catheter Ablation of Atrial Fibrillation from 2015-2024.
Journal: Heart rhythm
Published: August 27, 2025
View All 186 Publications
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Jonathan Chrispin
Elite in Arrhythmias
Dr. Jonathan Chrispin
Cardiac Electrophysiology | Cardiology
Elite in Arrhythmias
Dr. Jonathan Chrispin
Cardiac Electrophysiology | Cardiology

Johns Hopkins Health Care & Surgery Center - Green Spring Station, Lutherville

10755 Falls Road, Pavilion I STE 360, Pavilion I STE 360, 
Lutherville, MD 
 (10.1 miles away)
443-997-0270
Experience:
17+ years
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Jonathan Chrispin, M.D., is an Associate Professor of Medicine in the Johns Hopkins Medicine Division of Cardiology, Electrophysiology and Arrhythmia, as well as an Associate Professor of Biomedical Engineering at Johns Hopkins University. Dr. Chrispin focuses on all aspects of clinical electrophysiology, including pacemaker/defibrillator implantation and complex catheter ablation for atrial and ventricular arrhythmias. Dr. Chrispin received his Bachelor of Arts degree from Harvard University. He received his Doctor of Medicine degree from Vanderbilt University. He completed intern and residency training in internal medicine at The Johns Hopkins Hospital, where he also completed a fellowship in cardiovascular disease and served as chief clinical cardiac electrophysiology fellow. He is a member of the American College of Cardiology, the American Heart Association, and the Heart Rhythm Society. Dr. Chrispin directs the Ventricular Arrhythmia Ablation and Research program, focusing on using advanced cardiac imaging to better understand the structural substrate associated with the development of ventricular arrhythmias and using artificial intelligence to improve the risk stratification of sudden cardiac death. Further, he is involved in developing clinical trials to improve the safety and efficacy of catheter ablation for the treatment of ventricular tachycardia. His work has led to Dr. Chrispin publishing in a number of international journals, including Circulation, the Journal of the American College of Cardiology, Heart Rhythm Journal, Nature Cardiovascular Research, Journal of the American Heart Association, and EP Europace. Dr. Chrispin is rated as an Elite provider by MediFind in the treatment of Arrhythmias. His top areas of expertise are Ventricular Tachycardia, Arrhythmias, Sarcoidosis, Cardiac Ablation, and Pacemaker Implantation.

Hugh Calkins
Elite in Arrhythmias
Dr. Hugh Calkins
Cardiac Electrophysiology | Cardiology
Elite in Arrhythmias
Dr. Hugh Calkins
Cardiac Electrophysiology | Cardiology

Johns Hopkins Outpatient Center

601 North Caroline Street, Suite 7200, Suite 7200, 
Baltimore, MD 
 (1.2 miles away)
443-997-0270
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Dr. Hugh Calkins is the Catherine Ellen Poindexter Professor of Cardiology and Director of the Electrophysiology Laboratory and Arrhythmia Service at the Johns Hopkins Hospital. He is an internationally recognized expert on catheter ablation, atrial fibrillation, syncope, arrhythmogenic right ventricular dysplasia (ARVD) and arrhythmia management. Dr. Calkins attended Williams College and Harvard Medical School before training in medicine at Massachusetts General Hospital. He received his cardiology training at Johns Hopkins. His first faculty position was at the University of Michigan, where he directed the Pacemaker Service, and he returned to Johns Hopkins as director of the Arrhythmia Service in 1992. Dr. Calkins is an Associate Editor of the Journal of Cardiovascular Electrophysiology and is on the editorial board of many other cardiology journals. He is a former member of the American Board of Internal Medicine Electrophysiology Boards Test Writing Committee. Dr. Calkins is a fellow of the American College of Cardiology, the American Heart Association and the Heart Rhythm Society. He led a 44-member international task force whose 2012 Expert Consensus Statement gave recommendations for treatment and research of atrial fibrillation. Dr Calkins is a past president of the Heart Rhythm Society and was elected to be a member of the Miler Coulsen Academy of Clinical Excellence in 2014. Dr. Calkins has published more than 500 articles and book chapters on a large variety of cardiac arrhythmias. His research has focused predominantly on catheter ablation, atrial fibrillation, syncope, and arrhythmogenic right ventricular dysplasia. Dr. Calkins has also written extensively on most aspects of heart rhythm disorders and their treatment. Dr. Calkins is rated as an Elite provider by MediFind in the treatment of Arrhythmias. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Cardiomyopathy, Cardiac Ablation, and Heart Transplant.

Elite in Arrhythmias
Dr. Stephen R. Shorofsky
Cardiac Electrophysiology | Cardiology
Elite in Arrhythmias
Dr. Stephen R. Shorofsky
Cardiac Electrophysiology | Cardiology

University Of Maryland Physicians PA

22 S Green St, 
Baltimore, MD 
 (1.9 miles away)
410-328-8040
Languages Spoken:
English
See accepted insurances
Accepting New Patients

Stephen Shorofsky is a Cardiac Electrophysiologist and a Cardiologist in Baltimore, Maryland. Dr. Shorofsky is rated as a Distinguished provider by MediFind in the treatment of Arrhythmias. His top areas of expertise are Arrhythmias, Ventricular Tachycardia, Paroxysmal Supraventricular Tachycardia (PSVT), Cardiac Ablation, and Pacemaker Implantation. Dr. Shorofsky is currently accepting new patients.

VIEW MORE ARRHYTHMIAS DOCTORS

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

Find Dr. Berger's expertise for a condition
ConditionClose
  • Elite
  • Arrhythmias
    Dr. Berger is
    Elite
    . Learn about Arrhythmias.
    See more Arrhythmias experts
  • Atrial Fibrillation
    Dr. Berger is
    Elite
    . Learn about Atrial Fibrillation.
    See more Atrial Fibrillation experts
  • Cardiac Ablation
    Dr. Berger is
    Elite
    . Learn about Cardiac Ablation.
    See more Cardiac Ablation experts
  • Ventricular Tachycardia
    Dr. Berger is
    Elite
    . Learn about Ventricular Tachycardia.
    See more Ventricular Tachycardia experts
  • Distinguished
  • Heart Attack
    Dr. Berger is
    Distinguished
    . Learn about Heart Attack.
    See more Heart Attack experts
  • Paroxysmal Supraventricular Tachycardia (PSVT)
    Dr. Berger is
    Distinguished
    . Learn about Paroxysmal Supraventricular Tachycardia (PSVT).
    See more Paroxysmal Supraventricular Tachycardia (PSVT) experts
  • Ventricular Fibrillation
    Dr. Berger is
    Distinguished
    . Learn about Ventricular Fibrillation.
    See more Ventricular Fibrillation experts
  • Advanced
  • Apoplexy
    Dr. Berger is
    Advanced
    . Learn about Apoplexy.
    See more Apoplexy experts
  • Arterial Embolism
    Dr. Berger is
    Advanced
    . Learn about Arterial Embolism.
    See more Arterial Embolism experts
  • Atrioventricular Nodal Reentrant Tachycardia (AVNRT)
    Dr. Berger is
    Advanced
    . Learn about Atrioventricular Nodal Reentrant Tachycardia (AVNRT).
    See more Atrioventricular Nodal Reentrant Tachycardia (AVNRT) experts
  • Cardiac Arrest
    Dr. Berger is
    Advanced
    . Learn about Cardiac Arrest.
    See more Cardiac Arrest experts
  • Cardiac Tamponade
    Dr. Berger is
    Advanced
    . Learn about Cardiac Tamponade.
    See more Cardiac Tamponade experts
  • Cardiomyopathy
    Dr. Berger is
    Advanced
    . Learn about Cardiomyopathy.
    See more Cardiomyopathy experts
View All 9 Advanced Conditions
  • Experienced
  • Atherosclerosis
    Dr. Berger is
    Experienced
    . Learn about Atherosclerosis.
    See more Atherosclerosis experts
  • Atrial Tachycardia
    Dr. Berger is
    Experienced
    . Learn about Atrial Tachycardia.
    See more Atrial Tachycardia experts
  • Bidirectional Tachycardia
    Dr. Berger is
    Experienced
    . Learn about Bidirectional Tachycardia.
    See more Bidirectional Tachycardia experts
  • Brugada Syndrome
    Dr. Berger is
    Experienced
    . Learn about Brugada Syndrome.
    See more Brugada Syndrome experts
  • Catecholaminergic Polymorphic Ventricular Tachycardia
    Dr. Berger is
    Experienced
    . Learn about Catecholaminergic Polymorphic Ventricular Tachycardia.
    See more Catecholaminergic Polymorphic Ventricular Tachycardia experts
  • Embolectomy
    Dr. Berger is
    Experienced
    . Learn about Embolectomy.
    See more Embolectomy experts
View All 25 Experienced Conditions
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