
Overview
Dr. Harrison specializes in clinical cardiology. He attended the University of Massachusetts, where he received his medical degree, and completed his residency at St. Vincent Hospital. He continued his training by completing fellowships in critical care at St. Louis University Hospital and Stanford University Medical Center. He also completed a fellowship in cardiology at the George Washington University Hospital. Dr. Harrison is board certified by the American Board of Internal Medicine in internal medicine and cardiovascular disease.
Dr. Harrison is highly rated in 2 conditions, according to our data. His top areas of expertise are Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, Atrial Fibrillation, Coronary Heart Disease, and Pacemaker Implantation.
Residency
Specialties
Licenses
Fellowships
Hospital Affiliations
Languages Spoken
Gender
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- EPO
- PPO
- HMO
- MANAGED MEDICAID PLAN
- EPO
- HMO
- POS
- PPO
- EPO
- PPO
Locations
100 North Academy Avenue, Danville, PA 17822
Geisinger Medical Center - Cardiology
Dr. Oren specializes in cardiac electrophysiology, cardiac ablations and cardiac device implantation. His clinical interests include electrophysiology. Dr. Oren attended the University of Pittsburgh, where he received his medical degree, and completed his residency at the University of Pittsburgh Medical Center. He completed his fellowship in cardiology at Geisinger Medical Center and his fellowship in electrophysiology at the University of Oklahoma Health Sciences Center. He is certified by the American Board of Internal Medicine in internal medicine, cardiovascular disease, and clinical cardiac electrophysiology. Dr. Oren is highly rated in 27 conditions, according to our data. His top areas of expertise are Familial Progressive Cardiac Conduction Defect, Arrhythmias, Sick Sinus Syndrome, Pacemaker Implantation, and Cardiac Ablation.
The Milton S. Hershey Medical Center
Gerald Naccarelli is a Cardiologist in Hershey, Pennsylvania. Dr. Naccarelli is highly rated in 32 conditions, according to our data. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Ectopic Heartbeat, Familial Ventricular Tachycardia, and Cardiac Ablation.
Geisinger Medical Center - Cardiology
Dr. Pokharel specializes in cardiac electrophysiology, cardiac ablations and cardiac device implantation. His clinical interests include electrophysiology. Dr. Pokharel pursued his medical education at the B.P. Koirala Institute of Health Sciences in Nepal, and completed his residency at Bronx-Lebanon Hospital Center. He completed his cardiology fellowship at Montefiore Medical Center, and his electrophysiology fellowship at Loyola University Medical Center. Dr. Pokharel is certified by the American Board of Internal Medicine in internal medicine, cardiovascular disease and clinical cardiac electrophysiology. Dr. Pokharel is highly rated in 26 conditions, according to our data. His top areas of expertise are Familial Progressive Cardiac Conduction Defect, Arrhythmias, Sick Sinus Syndrome, Pacemaker Implantation, and Cardiac Ablation.
Frequently Asked Questions about Dr. Thomas A. Harrison
How do I make an appointment with Dr. Thomas A. Harrison?
You can book an appointment with Dr. Thomas A. Harrison by calling their office at 800-275-6401. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Thomas A. Harrison a top-rated expert for Inappropriate Sinus Tachycardia (IST)?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Thomas A. Harrison is classified as an Advanced expert for Inappropriate Sinus Tachycardia (IST), meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Thomas A. Harrison specialize in?
While Dr. Thomas A. Harrison is a Cardiology, they have specific expertise in Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, and Atrial Fibrillation. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Cardiology.
Does Dr. Thomas A. Harrison accept my insurance?
Dr. Thomas A. Harrison accepts most major insurance plans, including Aetna and Capital Blue Cross. We recommend calling the office directly at 800-275-6401 to verify that your specific plan is currently accepted before your visit.
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
- Advanced
- Familial Ventricular TachycardiaDr. Harrison isAdvanced. Learn about Familial Ventricular Tachycardia.
- Inappropriate Sinus Tachycardia (IST)Dr. Harrison isAdvanced. Learn about Inappropriate Sinus Tachycardia (IST).
- Experienced
- AnginaDr. Harrison isExperienced. Learn about Angina.
- Aortic RegurgitationDr. Harrison isExperienced. Learn about Aortic Regurgitation.
- Aortic Valve StenosisDr. Harrison isExperienced. Learn about Aortic Valve Stenosis.
- ApoplexyDr. Harrison isExperienced. Learn about Apoplexy.
- ArrhythmiasDr. Harrison isExperienced. Learn about Arrhythmias.
- Arterial EmbolismDr. Harrison isExperienced. Learn about Arterial Embolism.

