Peconic Bay Medical Group's Medical & Surgical Specialists

Kenisha Atwell, MD

Phone: (631) 727-5065

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Dr. Atwell received her undergraduate education at Cornell University and obtained her medical degree from Howard University College of Medicine. She completed her internship and residency training in general surgery at Howard University Hospital in Washington, DC and a fellowship in colon and rectal surgery at Cleveland Clinic Florida. She also obtained a Master of Public Health from the University of North Carolina Chapel Hill. She is certified by the American Board of Surgery. Dr. Atwell is committed to providing the best care for her patients. She specializes in laparoscopic and robotic colorectal surgery and colonoscopy. Her specialty interests include benign anorectal disease, colorectal cancer, inherited colon cancer, rectal cancer, diverticulitis, rectovaginal fistulas, pilonidal cysts, and inflammatory bowel disease. Dr. Atwell welcomes new patients. Waiting times for appointments are typically short, with same-day office and telehealth appointments often available. View my profile

Brett E. Ruffo, MD
Chief of Colon and Rectal Surgery, Board-Certified and Fellowship-Trained

Phone: (631) 727-5065

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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.

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Roni Aoun, MD

Phone: (631) 591-2901

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As a fellowship trained Gastroenterologist, Dr. Aoun manages diseases and disorders of the gastrointestinal tract, liver and pancreas. Dr. Aoun has also received advanced fellowship training in management of Inflammatory Bowel Disease (IBD) which includes Crohn’s disease and ulcerative colitis.

Dr. Aoun welcomes new patients for direct consultations or through referrals from Primary Care Physicians. Waiting times for appointments are typically short, with same-day office and telehealth appointments often available. Every effort is made to accommodate patients' schedules. Medicare, Medicaid and most insurance plans are accepted.

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Kimberly Britt, NP

Phone: (631) 591-2901

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

Phone: (631) 591-2901

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A fellowship-trained Gastroenterologist with dual board certifications in Gastroenterology and Internal Medicine, Dr. Cerrone is Peconic Bay Medical Center's Chief of Gastroenterology. A native Long Islander, Dr. Cerrone was Valedictorian of her graduating class at Stony Brook University, where she was also captain of the University's Division I softball team and a four-time Academic All-American.

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Kevin J. Yeroushalmi, MD

Phone: (631) 591-2901

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A specialist in Gastroenterology with a subspecialty in interventional and therapeutic endoscopy, Dr. Yeroushalmi received his fellowship training at the Nassau University Medical Center ACGME-accredited Gastroenterology Fellowship Program. He subsequently completed his advanced endoscopy fellowship training at HCA Florida Largo Hospital. He earned his MD at the Tel Aviv University Sackler School of Medicine. He holds a Bachelor of Science in Biomedical Engineering from Columbia University.

Skilled in advanced gastrointestinal procedures, Dr. Yeroushalmi is a member of the American College of Gastroenterology, the American Society for Gastrointestinal Endoscopy and the New York Society of Gastrointestinal Endoscopy.

Fluent in English, Hebrew, Farsi and Spanish, Dr. Yeroushalmi welcomes new patients for direct consultations or through referrals from Primary Care Physicians. Waiting times for appointments are typically short, with same-day office and telehealth appointments often available. Every effort is made to accommodate patients' schedules. Medicare, Medicaid and most insurance plans are accepted.

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Agostino Cervone, MD
Board-Certified, General Surgery

Phone: (631) 728-0393

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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.

Listen to Dr. Cervone on Peconic Bay Medical Center's Ask the Medical Expert in partnership with JVC Broadcasting.

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Bogdan Makartchuk, DO
Board-Certified, General Surgery

Phone: (631) 728-0393

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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.

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Denis James Nankervis, DO
Board-Certified, General Surgery

Phone: (631) 728-0393

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Dr. Nankervis welcomes new patients. Waiting times for appointments are typically short. Every effort is made to accommodate patients' schedules. Most insurance plans, Medicare and Medicaid are accepted.

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Steven Paul Ouzounian, MD
Board-Certified, General Surgery

Phone: (631) 728-0393

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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.

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David Angelillo, DO
Orthopaedic Surgery and Sports Medicine

Phone: (631) 369-5000

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Dr. Angelillo is a dual board certified orthopaedic surgeon who provides comprehensive care for musculoskeletal injuries and conditions in patients of all ages.  He is an expert in arthroscopic surgery, as well as traumatic injuries including fractures and dislocations.  Fellowship-trained in orthopaedic surgery and sports medicine at NYU-Hospital for Joint Diseases in New York City, Dr. Angelillo offers his patients the advanced level of expertise demanded by professional athletes.

He was appointed to the NYS Athletic Commission Medical Advisory Board by Gov. Andrew Cuomo, which oversees professional boxing and mixed martial arts in New York.  He also serves as a Clinical Assistant Professor in the Department of Surgery at the New York Institute of Technology College of Osteopathic Medicine.  A member of Peconic Bay Medical Center’s Orthopaedics Team, he maintains outpatient offices at easy-access locations in Manorville and Patchogue.

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Christopher Blum, MD

Phone: (631) 369-5000

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Fellowship trained in Orthopedic Reconstructive Surgery at Columbia University Medical Center, Dr. Blum specializes in providing treatment for orthopedic injuries and other painful musculoskeletal conditions, with a focus on hip and knee replacements. A Magna Cum Laude graduate of Rensselaer Polytechnic Institute, Dr. Blum earned his MD at the SUNY Downstate College of Medicine and served his Orthopedic Surgery residency at Stony Brook University Medical Center.

A member of Peconic Bay Medical Center’s Orthopedics Team, Dr. Blum welcomes new patients for direct consultations or through referrals from Primary Care Physicians.  He is seeing patients at Northwell’s community-based multi-specialty practices in Manorville, Riverhead and Shirley. Waiting times for appointments are typically short, with same-day office and telehealth appointments often available. Every effort is made to accommodate patients' schedules. Medicare, Medicaid and most insurance plans are accepted.

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Nicholas Byrne, PT, DPT, CFMT

Phone: (631) 727-9654

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Dr. Byrne completed his Doctorate degree in Physical Therapy in 2017 at Stony Brook University, where his clinical rotations included sub-acute rehab, acute rehab, the neonatal ICU, trauma ICU, and manual outpatient orthopedics. He has continued to further his manual therapy skills in classes through the Institute of Physical Art, where he became a Certified Functional Manual Therapist (CFMT) in 2022. Through the Institute of Physical Art’s teachings, Dr. Byrne incorporates the principles of functional manual therapy into each patient he treats. This treatment approach focuses on the interrelationship between limitations of joint mobility, soft tissue restrictions, core stability, and neurovascular limitations to successfully address each patient's needs. By incorporating the functional manual therapy approach into evaluations and treatments, he gives each patient the strategies needed to be successful with physical therapy.

In addition to furthering his education in the field of manual therapy, Dr. Byrne has been serving as a lab instructor for Stony Brook University’s Doctorate of Physical Therapy Program since 2019. These classes include Orthopedics I and II, Kinesiology, and Integumentary. Outside of physical therapy, he enjoys kayaking, fishing, and woodworking.

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Michael Ciminiello, MD
Specialist in Total Hip and Knee Joint Replacement and Revision

Phone: (631) 369-5000

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A board-certified, fellowship-trained orthopedic surgeon, Dr. Ciminiello specializes in Adult Hip and Knee Reconstruction including primary total hip and knee replacement as well as complex total hip and knee revision.

In treating patients with arthritic and other degenerative conditions of the hip and knee, the focus of Dr. Ciminiello’s joint replacement practice is to provide effective treatment to relieve pain and restore freedom of motion when nonoperative therapies no longer provide relief.

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Olivia DeMarco, PA-C

Phone: (631) 369-5000

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An NCCPA Board-Certified Physician Assistant, Ms. DeMarco provides services for new, established, and pre/post-operative orthopedic patients, including patients involved in Peconic Bay Medical Center’s highly regarded joint replacement program. She holds certifications in Basic and Advanced Cardiac Life Support. Her clinical experience includes rotations in pain management at the Comprehensive Spine and Pain Center in New York City, and in orthopedic surgery at Northwell’s North Shore Hospital in Forest Hills, NY.

A graduate of the St. John’s University College of Pharmacy and Health Systems, where she earned a Bachelor of Science degree along with her Physician Assistant Certificate, Ms. DeMarco achieved a perfect 4.0 GPA in earning her Masters of Healthcare Administration degree in Operations Management at Touro University Worldwide.

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Justin Engelbert, PA-C

Phone: (631) 727-6308

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A nationally certified Physician Assistant with experience in anesthesiology and pain management as well as orthopedics, Mr. Engelbert earned his BS and MS degrees at Wagner College, where he was captain of the Wagner College Rugby Club. He has provided PA services at the Pain Institute of New York, the Mount Sinai Medical Center Spine Center, Good Samaritan Hospital, and Stony Brook University Hospital.

Mr. Engelbert is proud to join Dr. Peter Sultan as an orthopedic PA, specializing in all aspects of orthopedics.

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Michelle Jack , PA

Phone: (631) 369-5000

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Michelle Jack is a Certified Physician Assistant (PA-C) who received a Master’s Degree from Touro College and graduated as the Salutatorian of her class. In addition, she received Outstanding Academic and Clinical Achievement Awards. Michelle continued her education through working in the ED with an 18-month Emergency Medicine Fellowship followed by a 12-month Ultrasound Fellowship.

Working as an Emergency Medicine PA-C in a Level I Trauma center, Michelle developed a wide-ranging skill set, positioning her to deliver exceptional patient care in a fast-paced trauma heavy environment.

Michelle is excited to join Dr. Sochol as a hand and upper extremity orthopaedic surgery PA, where she will be working with Dr. Sochol both in the office and assisting in surgical cases.

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Peter K. Johnstone, Jr., PT, DPT, MS
Physical Therapy

Phone: (631) 727-9654

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Dr. Johnstone completed his Master’s degree in Physical Therapy from Quinnipiac University in 2001 and his Doctorate degree at Utica College in 2007. As a member of PBMC’s outpatient physical therapy team and lead therapist for the Upper Extremity and Sports Medicine Programs he strives to provide his clients with the best treatment approaches available. His clinical affiliations have included the University of Texas Medical Branch, North Shore LIJ, Mercy Medical Center, and Island Sports Physical Therapy. He has more than two decades’ experience in outpatient orthopedics specializing in treatment of sport injuries, work-related injuries, arthritic conditions, pre-op and post-op joint replacements, as well as spinal disorders.

Dr. Johnstone has a strong interest in manual therapy techniques and treating movement dysfunctions. He believes education is an ongoing process and is currently taking Maitland courses working towards becoming a certified orthopedic manual therapist. With the support of the local community, Dr. Johnstone has been named Dan’s Papers “Best of the Best Physical Therapist North Fork” multiple years.

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Vincent Jean-Claude Leone, MD
Spine & Pain Specialist

Phone: (631) 369-5000

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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.

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Justin Liu, PA-C

Phone: (631) 728-6308

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Rohit Navlani, DO

Phone: (631) 369-5000

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Fellowship-trained in Interventional Pain Medicine, Dr. Navlani provides patients with advanced treatment modalities for chronic as well as acute pain to aid in recovery and rehabilitation from degenerative conditions as well as sports-related and other injuries.

A Cum Laude graduate of Stony Brook University, Dr. Navlani is a member of the American Academy of Pain Medicine (AAPM) and the North American Spine Society (NASS). A member of Peconic Bay Medical Center’s Orthopedics Team, Dr. Navlani welcomes new patients for direct consultations or on referral from primary care physicians (PCPs).

Waiting times for appointments are typically short, with same-day office and telehealth appointments often available. Every effort is made to accommodate patients' schedules. Medicare, Medicaid and most insurance plans are accepted.

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Victor Adeola Olujimi, MD
Specialist in Sports Medicine and Elbow and Shoulder Surgery

Phone: (631) 369-5000

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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.

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Kristen Sochol, MD
Hand, Upper-Extremity, Microvascular and Peripheral Nerve Surgery

Phone: (631) 369-5000

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Dr. Sochol specializes in treatment of injuries and diseases of the hand, wrist, elbow and shoulder, including microvascular and peripheral nerve surgery. She treats patients suffering from work- and sports-related conditions resulting from falls, accidents, impacts, repetitive stress and other factors. She is also a pediatric specialist with expertise in the management of congenital deformities.

 

She has conducted extensive research on upper extremity management. In addition to publishing clinical research papers, she has also contributed chapters for hand surgery textbooks and given numerous presentations at national and international meetings. She completed her residency training at the Mount Sinai School of Medicine in NY, and completed her fellowship training in hand and microvascular surgery at the USC Keck School of Medicine in CA.

 

Dr. Sochol receives patients on referral from other physicians, from athletic trainers, and from direct consultation with patients. Appointments can be made at any of her three different office locations. Her practice accepts Medicare, Medicaid, and most insurance plans.

Listen to Dr. Sochol on Peconic Bay Medical Center's Ask the Medical Expert in partnership with JVC Broadcasting.

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Peter G. Sultan, MD
Specialist in General Orthopedics and Total Hip and Knee Joint Replacement

Phone: (631) 727-6308

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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.

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David Tsoumpelis, OT, CLT
Occupational Therapy, Certified Lymphedema Therapist

Phone: (631) 727-9654

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Amar Vyas, DO

Phone: (631) 369-5000

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Dr. Vyas provides specialized care for athletes and active individuals of all ages. Utilizing a multidimensional approach, he focuses on providing individualized care to treat non-surgical sports related injuries and musculoskeletal conditions. He is skilled in ultrasound-guided procedures, platelet-rich plasma (PRP) injections, diagnostic ultrasound, and concussion management.

Dr. Vyas completed Fellowship training in Sports Medicine at Northwell Health Plainview Hospital and is dual board certified in Sports Medicine and Family Medicine. As a graduate of the New York Institute of Technology College of Osteopathic Medicine in Old Westbury, Dr. Vyas incorporates a comprehensive and broad understanding of the musculoskeletal system into treatment plans for non-surgical sports-related injuries as well as other painful musculoskeletal conditions resulting from activities of work, play, and daily life. He served as Chief Resident of Family Medicine during residency training at Peconic Bay Medical Center, Northwell Health, and continued his training in Primary Care Sports Medicine working with numerous top physicians within the field of Sports Medicine and Orthopedics throughout New York City and Long Island.

His sports coverage experiences include several local high school football teams, Farmingdale State College, NYC marathon, New York Riptide Lacrosse, and Rugby New York. He is an active member of the American Medical Society for Sports Medicine (AMSSM) and the American Osteopathic Academy of Sports Medicine (AOASM) and has contributed as presenter for multiple national conferences.

A member of Peconic Bay Medical Center’s Orthopedics Team, he maintains outpatient offices at easy-access locations in Hampton Bays and Shirley. Every effort is made to accommodate patients with convenient appointment times, and availability of same-day office and telehealth visits.

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Usman Naqvi, MD

Phone: (631) 591-3877

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Dual board-certified in pulmonary disease and critical care medicine, Dr. Naqvi received his medical degree from the Saba University School of Medicine in the Netherlands Caribbean.

He completed fellowship training in pulmonary medicine at Roger Williams Medical Center, Providence RI, and in critical care medicine at Stony Brook University Hospital here on Long Island.

Fluent in Hindi and Urdu as well as English, Dr. Naqvi is an exceptional communicator who provides personalized care tailored to the individual needs of each patient. Dr. Naqvi welcomes new patients. Waiting times for appointments are typically short, with same-day office and telehealth appointments often available.

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Kazi Hossain, DO

Phone: (631) 651-4900

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Ragheed M. Saoud, MD
Fellowship-trained in urologic oncology and kidney/pancreas transplantation

Phone: (631) 651-4900

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Fellowship trained at the University of Chicago in urologic oncology and robotic and endoscopic urology, Dr. Saoud is also certified in Single Port robotic-assisted surgery using the daVinci robotic surgery system. His research and publications focus on minimally invasive and robotic-assisted surgical treatments for conditions such as prostate cancer, bladder cancer, testicular cancer, and ailments of the kidneys and renal system.

Dr. Saoud is fluent in English, Arabic and French. His interests include basketball, diving, travelling, skiing, and movie making.

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Francesco Taormina, DO

Phone: (631) 651-4900

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