Our Doctors

Lorenzo Gamez, M.D., P.C.

Dr. Lorenzo Gamez, M.D., P.C.Dr. Gamez received a BA in Psychology from Rutgers College and his medical education at the Universidad Autonoma de Guadalajara. He then went on to complete an internship in general surgery and a residency in orthopaedic surgery at Maimonides Medical Center in Brooklyn, NY. His interests led him to pursue a fellowship in foot and ankle reconstruction at Union Memorial Hospital/Mercy Medical Center in Baltimore, MD. Before joining OALI, Dr. Gamez served as an Assistant Professor and Co-director of Foot and Ankle Reconstructive Surgery at UMASS Medical School.

Dr. Gamez specializes in all aspects of foot and ankle care. He is a fellowship trained in foot and ankle reconstructive surgery and provides the latest treatment options for all aspects of foot and ankle trauma, reconstruction and sports injuries. He is well versed in the latest technology including total ankle replacements, cartilage salvage techniques and ankle arthroscopy.

Dr. Gamez has written several chapters and authored numerous studies presented at national and international meetings. He has been an invited speaker at several foot and ankle meetings. He is one of only a handful of orthopaedic surgeons specializing in foot and ankle surgery who currently practice on Long Island.

Mark Harary MD

Mark Harary MD Dr. Harary earned his undergraduate degree in Movement Science from the University of Michigan in 1998. He went on to medical school at Ross University, where he graduated with honors in 2002. After obtaining his medical degree, Dr. Harary completed a family medicine residency at UPMC Shadyside Hospital in Pittsburgh, PA. Following residency, he completed his fellowship training in Sports Medicine at Blessing Hospital in Quincy, IL. Dr. Harary is board certified in Sports Medicine and Family Medicine. He is a member of the American Medical Society of Sports Medicine and the American Academy of Family Physicians. Dr. Harary is actively involved with the Arthritis Foundation. He has given numerous educational talks on arthritis and has served on the planning committee for the annual Arthritis Walk for several years.

Dr. Harary specializes in the non-operative treatment of musculoskeletal problems in both pediatric and adult patients. He has a special interest in treating osteoarthritis, fractures, acute injuries and concussions. He enjoys helping his patients return to, and maintain, an active lifestyle. Dr. Harary is the team physician for the Miller Place High School football team.

Jeffrey D. Hart, DO

Dr. Jeffrey D. Hart, DODr. Hart originally from Long Island, graduated magna cum laude from Quinnipiac University in 2004. He subsequently graduated from the New York College of Osteopathic Medicine in 2008. Maintaining his New York roots, he completed his Orthopedic Surgical Residency in 2013 at Plainview Hospital, part of the North Shore/ LIJ Healthcare system. Following residency, he completed a fellowship in adult reconstruction of the hip and knee at The Florida Orthopedic Institute in Tampa, Florida.

Dr. Hart focuses on improving the quality of life for his patients in a comprehensive and compassionate nature. He specializes in partial knee replacements, primary and revision total knee and hip replacement, as well as advanced computer and robotic-assisted surgery using minimally invasive/ muscle sparing techniques. He is well trained in arthroscopy of the shoulder and knee and he has a significant interest in treating athletes and fracture care management.

Gregg J. Jarit, M.D., P.C.

Dr. Gregg J. Jarit, M.D., P.C.Dr. Jarit grew up in Wading River, NY and graduated from Shoreham-Wading River High School in 1994. He attended college at the University of Virginia and graduated With Distinction in 1998. He obtained his medical degree from the Albert Einstein College of Medicine in 2002, and then completed residency in orthopedic surgery at NYU Hospital for Joint Diseases in New York City in 2008. During his residency he completed an additional one-year research fellowship.

He then returned to the University of Virginia to complete a fellowship in sports medicine. During his fellowship, he served as Assistant Team Orthopedic Surgeon for the University of Virginia and James Madison University. He also covered the UVA Club Ice Hockey team and high school football.

Dr. Jarit is an orthopedic surgeon specializing in the orthopedic care of athletes at all levels. He also performs general orthopedic surgical and nonsurgical fracture care. He has particular interest in the care of acute and chronic sports-related injuries, including conservative, arthroscopic, and minimally invasive surgical treatment. He has experience with the latest techniques in facilitating early return to play while maximizing the function and safety of the athlete. He recently received an additional subspecialty certification in Orthopedic sports medicine.

Douglas Matthew Petraco, M.D., P.C.

Dr. Douglas Matthew Petraco, M.D., P.C.Dr. Petraco graduated cum laude from Yale University in 1988, after which he received his medical degree from Cornell University Medical College graduating with academic honors. His post-graduate training included an internship at NYU Medical Center and an orthopedic surgery residency at The Hospital for Joint Diseases – Orthopaedic Institute, where he was chosen to serve as an executive chief resident in his final year. Dr. Petraco also completed a research fellowship in biomaterials and biomechanics at The Hospital for Joint Diseases. He is a fellow of the American Academy of Orthopaedic Surgeons, and is board certified by the American Board of Orthopaedic Surgery.

Dr. Petraco specializes in joint replacement surgery of the hip and knee. He prides himself on offering the latest advanced techniques in joint replacement surgery including mini-incision hip and knee replacement. As chief of the Department of Orthopedic Surgery at St. Charles Hospital, Dr. Petraco was instrumental in bringing MAKOplasty Robotic partial knee replacement technology to the hospital. This is the only robotic partial knee replacement platform available on Long Island. This minimally invasive approach, combined with a patient specific surgical plan allows more accurate implant placement resulting in a more natural feeling knee compared with total knee replacement. Patients are typically discharged home from the hospital after a brief overnight stay.

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