Meet our Doctors
Dr. David B. Southren
- Board certified in internal medicine, cardiology and clinical lipidology, which deals with the biology, medical treatment, and management of atherosclerosis—the disease process that leads to most heart diseases
- A recognized authority in cardiovascular physiology, metabolism, and life extension.
- Active lecturer to physician groups on cardiovascular and metabolism topics
- Consultant to leading-edge cardiovascular medical testing and treatment companies, as well as pharmaceutical companies
- Performs and monitors non-invasive cardiovascular testing and risk factor assessment
Affiliations:
- On staff at Nyack Hospital in Nyack, New York, and Good Samaritan Hospital in Suffern, New York
- Director of Preventative Cardiology at Good Samaritan Hospital
- New York Medical College in New York
- Barnes Hospital at Washington University School of Medicine in St. Louis, Missouri—internal medicine residency training
- Emory University School of Medicine, Georgia, and Westchester Medical Center— cardiovascular fellowship training
Education:
Dr. Lance Kovar
- Board certified in internal medicine, cardiology and interventional cardiology
- A leading expert in catheterization procedures to widen narrowed sections of clogged arteries, angioplasty, and angiography and in using stents to maintain artery patency
Affiliations:
- Good Samaritan Hospital, Suffern New York
- Nyack Hospital, Nyack, New York
- Englewood Hospital and Medical Center, Englewood, New Jersey
- Director of Emergency Cardiac Services at Good Samaritan Hospital
Education:
- Graduate of University of Medicine and Dentistry of New Jersey—New Jersey Medical School
- Columbia Presbyterian Medical Center, New York City—internal medicine residency
- Cardiology fellowship at Montefiore Medical Center, New York City—cardiology fellowship
- Columbia University Medical Center—interventional cardiology fellowship
- Board certified in internal medicine, cardiology, nuclear cardiology, and echocardiography
- An authority in diagnostic procedures including cardiac stress testing, echocardiography, transeophageal echocardiography, and nuclear cardiology
Dr. Duane Bryan
Education:
- Yale University School of Medicine, New Haven, Connecticut
- New York Hospital-Cornell Medical Center, New York City—internal medicine residency
- Montefiore Medical Center, New York City—cardiology fellowship training
Affiliations:
- Good Samaritan Hospital, Suffern New York
- Nyack Hospital, Nyack, New York
- Englewood Hospital and Medical Center, Englewood, New Jersey




