About Us & The Team

As board certified physicians we are dedicated to staying current on medical issues. As fellows of the American College of Cardiology, American Gastroenterological Association, American Association of Pulmonary Medicine and American College of Physicians, we are required to pass rigorous exams and must continually update our skills through ongoing education programs. 


Some helpful information about our staff:


Our board certified physicians:


Kenneth H Cohen M.D., F.A.C.C. Founded the practice in 1987 with the late Dr Mark J. Friedman. Internal Medicine residency at Long Island Jewish 1981-1984 where he served as Chief Medical Resident in 1986. Cardiovascular Disease Fellowship at SUNY Downstate in 1986. Board certified in Internal Medicine/Cardiovascular Disease/Nuclear Cardiology. Special interest in Echocardiography, Valvular Heart Disease, Coronary Heart Disease and Bariatric Medicine.

Ronald D. D’Agostino D.O., F.A.C.C., F.A.C.P. Joined the practice in 1993. Internal Medicine residency at Long Island Jewish 1986-1989, where he served as Chief Medical Resident in 1992. Cardiovascular Disease Fellowship at Long Island Jewish in 1989-1992. Board certified in Internal Medicine/Cardiovascular Disease/Nuclear Cardiology, Echocardiography and Vascular Diagnostic Testing. Special interest in Nuclear Cardiology Atherosclerotic Vascular Disease and Valvular Heart Disease.

Henry Gomez M.D., F.A.C.C. Joined the practice in 1996. Internal Medicine residency at Montefiore Medical Center 1990-1993. Cardiovascular Disease Fellowship at Long Island Jewish in 1993-1996. Board certified in Internal Medicine and Cardiovascular Disease. Special interest in Congestive Heart Failure, Cardiomyopathy and Nuclear Cardiology.

Jeffrey M. Bernstein M.D., F.A.C.C. Joined the practice in 2001. Internal Medicine at Mount Sinai 1995-1998. Cardiovascular Fellowship at Long Island Jewish 1998-2001. Board certified in Internal Medicine/Cardiovascular Disease. Special interest in Hypertension, Arrhythmias and Valvular Heart Disease.

Gregory Ackert M.D. Joined the practice in 2004. Internal Medicine Residency at Long Island Jewish Medical Center 1979-1981. Gastroenterology Fellowship 1981-1983. Board Certified in Internal Medicine and Gastroenterology. Special interest in Colorectal Cancer Screening and Gastroesophageal Reflux Disease.

Peter Ottavio D.O., F.C.C.P. Joined the practice in 2006. Internal Medicine Residency at SUNY Stonybrook 2000-2003. Pulmonary and Critical Care Fellowship at SUNY Stonybrook 2003-2006. Board Certified in Critical Care, Pulmonary and Internal Medicine. Special interests in COPD, Asthma, Lung Cancer, Lung Nodules, Sleep Apnea and Insomnia.

James Hess D.O., C.C.D. Joined the practice in 2007. Internal Medicine Residency at Basset Hospital (Cooperstown, NY) 2000-2003. Endocrinology Fellowship at SUNY Stonybrook 2003-2005. Board Certified in Endocrinology. Special interests include Diabetes, Diabetes Type 2, Gestational Diabetes, Obesity, Thyroid Disorders, Adrenal Disorders, Lipid Disorders, and Endocrine Hypertension Polycystic Ovarian Syndrome.






We are also actively involved in the teaching programs at our local hospitals and medical schools. In this capacity we teach medical students, residents, nurses and physician assistants. The staff at Long Island Cardiovascular and Associates appreciate the trust that you place in our skills and continue to work diligently to be worthy of that trust.