Overview
John Pfeifer is a Cardiologist in Lewisburg,, Pennsylvania. Dr. Pfeifer is rated as an Experienced provider by MediFind in the treatment of Hypertensive Heart Disease. His top areas of expertise are Coronary Heart Disease, Atherosclerosis, Angina, and Atrial Fibrillation.
His clinical research consists of co-authoring 10 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- HMO
- INDEMNITY
- POS
- PPO
Locations
1 Hospital Dr, Lewisburg,, PA 17837
3 Hospital Dr Ste 100, Lewisburg,, PA 17837
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.
Duke University Hospital
Bharathi Upadhya is a Cardiologist in Enola,, Pennsylvania. Dr. Upadhya is rated as a Distinguished provider by MediFind in the treatment of Hypertensive Heart Disease. Her top areas of expertise are Hypertensive Heart Disease, Heart Failure with Preserved Ejection Fraction (HFpEF), Heart Failure, Pacemaker Implantation, and Atherectomy.
Geisinger Wyoming Valley Medical Center - Cardiology
Dr. Schwiter specializes in clinical cardiology. His clinical interests include non-invasive cardiology. Dr. Schwiter obtained his medical degree from The Pennsylvania State University. He completed his residency at Lehigh Valley Hospital and did a fellowship in cardiology at Penn State Milton S. Hershey Medical Center. He is board certified by the American Board of Internal Medicine in internal medicine and cardiovascular disease. Dr. Schwiter is rated as an Advanced provider by MediFind in the treatment of Hypertensive Heart Disease. His top areas of expertise are Hypertensive Heart Disease, Atrial Fibrillation, Coronary Heart Disease, and Atherosclerosis.
Geisinger Medical Center - Cardiology
Dr. Fesniak specializes in advanced heart failure and cardiac transplantation, cardiac catheterization and endomyocardial biopsy. His clinical interests include non-invasive cardiology. Dr. Fesniak obtained his medical degree from The Pennsylvania State University. He completed his residency and his fellowship in cardiology at Geisinger Medical Center. He then completed another fellowship in transplant cardiology at Temple University Hospital. He is board certified by the American Board of Internal Medicine in internal medicine, cardiovascular disease, advanced heart failure and transplant cardiology. Dr. Fesniak is rated as an Advanced provider by MediFind in the treatment of Hypertensive Heart Disease. His top areas of expertise are Familial Ventricular Tachycardia, Arrhythmias, Pulmonary Veno-Occlusive Disease, Hypertensive Heart Disease, and Pacemaker Implantation.
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
- AnginaDr. Pfeifer isAdvanced. Learn about Angina.
- AtherosclerosisDr. Pfeifer isAdvanced. Learn about Atherosclerosis.
- Atrial FibrillationDr. Pfeifer isAdvanced. Learn about Atrial Fibrillation.
- Coronary Heart DiseaseDr. Pfeifer isAdvanced. Learn about Coronary Heart Disease.
- Heart AttackDr. Pfeifer isAdvanced. Learn about Heart Attack.
- Experienced
- Adenosine Deaminase 2 DeficiencyDr. Pfeifer isExperienced. Learn about Adenosine Deaminase 2 Deficiency.
- Aortic RegurgitationDr. Pfeifer isExperienced. Learn about Aortic Regurgitation.
- Aortic Valve StenosisDr. Pfeifer isExperienced. Learn about Aortic Valve Stenosis.
- ApoplexyDr. Pfeifer isExperienced. Learn about Apoplexy.
- ArrhythmiasDr. Pfeifer isExperienced. Learn about Arrhythmias.
- Arrhythmogenic Right Ventricular Cardiomyopathy

