John T. Mather Memorial Hospital

John T. Mather Memorial Hospital
Port Jefferson, Smithtown, NYC | Port Jefferson: 631-473-1320, Smithtown: 631-697-4777 NYC:

Michael A. Matilsky, MD is a cardiologist who specializes in preventive cardiology and risk factor modification, including cholesterol and hypertension management. He was named a Castle Connolly Top Doctor in the New York Metro area. He is in practice with Three Village Cardiology, PC, located in Port Jefferson and East Setauket.

Arif Ahmad, MD is the director of the Bariatric Surgery Center of Excellence at John T. Mather Memorial Hospital. A board-certified surgeon specializing in minimally invasive, robotic and bariatric surgery, Dr. Ahmad has been recognized as one of America’s Top Surgeons by the Consumer Research Council of America. His practice, Long Island Laparoscopic Surgery, is located in Port Jefferson.

Gregory R. Brevetti, MD is a cardiothoracic surgeon specializing in innovative, effective cardiac and thoracic surgical procedures. In addition to maintaining his practice, Interboro Surgical Associates in Port Jefferson and Brooklyn, he serves as assistant professor of cardiothoracic surgery at SUNY Health Science Center at Brooklyn. He has been recognized by Castle Connolly as one of America’s Top Doctors.

Ella Rosenbloom, MD is an endocrinologist who specializes in diabetes education and management. She received her medical degree with Special Distinction for Research in Endocrinology from Albert Einstein College of Medicine and completed a Fellowship in Endocrinology at Montefi ore Medical Center. She is in practice with Harbor View Endocrinology in Port Jefferson.

Dr. Kvilekval, MD is an active member of multiple societies including Fellow of American College of Surgeons, Society of Vascular Surgery and Suffolk County Medical Society (past president). Dr. Kvilekval is Board Certified in General Vascular Surgery and General Surgery. She is in practice with Vascular Associates of Long Island in East Setauket

Dr. Fredie Diaz, MD completed his internal medicine residency at Mount Sinai Hospital and Medical Center in New York and is board certified in Internal Medicine. Fluent in Spanish, his interests include extending outreach programs to underserved populations, particularly the Latino communities. He is in practice with Primary Care Associates in Port Jefferson.

Dr. Milagros (Pam) Teves-Mani, MD is an internist with Mather Primary Care in East Setauket. She completed her internal medicine residency at New York Medical College in Valhalla, NY and is board certified in internal medicine. Since 2006 she has been a Clinical Assistant Professor at Stony Brook University School of Medicine

Dr. Jessica Blydenburgh, DO enjoys teaching, and has a special interest in complementary and alternative medicine. She holds a Master’s degree in Physiology from Georgetown University. She completed her residency at Stony Brook University and is Board Certified in Family Medicine. She is in practice with Mather Primary Care in Port Jefferson.

Christopher Sinclair, MD is board certified in both neurology and internal medicine. He is in practice with Harbor View Neurology Associates in Port Jefferson. He is also on the faculty of the Mather Hospital Internal Medicine Residency Program, serving as the educational coordinator for the neurology rotation. He has been published in Neuroscience and other medical periodicals.