Peconic Bay Medical Group's Medical & Surgical Specialists

Agostino Cervone, MD
Board-Certified, General Surgery

Dr. Cervone is a Board-Certified general surgeon specializing in advanced laparoscopic surgery with extensive experience in minimally invasive breast surgery, hernia surgery and general surgery. He is one of the region's leading experts in complicated abdominal hernia repair. One of the few surgeons in this region with advanced training in use of the world-class da Vinci Robotic Surgery System, he has been in practice on the East End of Long Island since 1999.

Steven Paul Ouzounian, MD
Board-Certified, General Surgery

As a board-certified general surgeon, Chief of Surgery at Peconic Bay Medical Center, Dr. Ouzounian provides expert care in the areas of general, vascular, colorectal, breast and advanced minimally invasive surgery.  Dr. Ouzounian strives to provide the highest quality and compassionate care across a diffuse range of complex disease entities.  His practice was founded in 2007 with the goal of providing state-of-the-art surgical care to our neighbors on the East End of Long Island, while maintaining a compassionate and personal touch that makes his practice unique.

Bogdan Makartchuk, DO
Board-Certified, General Surgery

A board certified surgeon specializing in minimally invasive gastrointestinal, hernia, and breast surgeries, Dr. Makartchuk is also extensively trained in emergency life-support procedures for accident and heart attack victims. An active teacher and mentor for medical students and surgical interns, Dr. Makartchuk has conducted classes and clinical presentations in surgical and suturing techniques.

Denis James Nankervis, DO
Board-Certified, General Surgery

Ashanti L. Franklin, MD

Brett E. Ruffo, MD
Fellowship-Trained, Board-Certified in General & Colorectal Surgery

Dr. Ruffo is a fellowship-trained and dually board-certified surgeon in both general surgery and colorectal surgery. Skilled in minimally invasive surgical techniques, Dr. Ruffo has been trained in use of the highly advanced da Vinci Robotic Surgical System, which offers leading-edge precision for treatment of life-threatening cancers of the colon and rectum.

Sara A. Cerrone, MD
Board-Certified, Internal Medicine

Eugene S. Krauss, MD
FAAOS, FAC, Board-Certified Orthopedic Surgeon

A world-renowned surgeon, educator and inventor, Dr. Krauss has been a pioneer of the acclaimed joint replacement program at Peconic Bay Medical Center. His innovative joint replacement techniques have been widely recognized and used as a model by other orthopedic surgeons.

After successful careers as an aerospace engineer and business entrepreneur, he earned his MD degree from Columbia’s College of Physicians and Surgeons in 1982, with postgraduate residency training in orthopedics at the Hospital for Special Surgery and Memorial Sloan-Kettering Cancer Center in New York City. He held fellowships in traumatology and reconstructive surgery in Switzerland, France and Italy. 

Dr. Krauss has been Chief of Orthopedic Trauma at North Shore University Hospital/Manhasset, where he also served as Chairman of the Department of Orthopedics, and Chief of the Division of Orthopedic Surgery. He has practiced at Peconic Bay Medical Center since 2005.

Peter G. Sultan, MD
Board-Certified Orthopedic Surgeon, Fellowship-Trained in Hip and Knee Replacement

Dr. Sultan is one of Long Island's top hip and knee replacement surgeons.  He graduated with highest honors in biological sciences from Harvard University, was elected to the Alpha Omega Alpha Medical honor Society at Cornell University Medical College, and was fellowship-trained in hip and knee replacement surgery at Harvard Medical School, Massachusetts General Hospital. A board-certified orthopedic surgeon, Dr. Sultan was selected as one of America's Top Surgeons by the Consumers Research Council of America.

Vincent Jean-Claude Leone, MD
Spine & Pain Specialist

One of the region's leading spine surgeons, Dr. Leone specializes in advanced treatment for traumatic spine and cervical injuries, scoliosis, herniated discs and spinal stenosis, and neck and back pain.

Fellowship-trained in both Trauma Spine Surgery and Scoliosis Surgery, Dr. Leone has been an integral part of the spine surgery programs at Winthrop-University Hospital in Mineola, Mount Sinai Hospital in Manhattan, and the North Shore University Hospitals in Syosset and Glen Cove.

Victor Adeola Olujimi, MD
Fellowship-Trained, Orthopedic Surgery, Sports Medicine Specialist

An expert in prevention and treatment of sports injuries and concussion management, Dr. Victor Olujimi provides leading-edge care for recreational and competitive athletes of all ages. Fellowship-trained in orthopedic surgery as well as sports medicine, Dr. Olujimi has provided medical coverage for high school, college, and professional sports competitions, including lacrosse, hockey, and wrestling.