Dr. Christopher L. Blum

Douglas Petraco is an Orthopedics provider in Wading River, New York. Dr. Petraco is rated as an Advanced provider by MediFind in the treatment of Bursitis. His top areas of expertise are Osteoarthritis, Bursitis, Tenosynovitis, Tendinitis, and Hip Replacement.

Gregory Lieberman, M.D., is double board certified in orthopedic surgery and orthopedic sports medicine by the American Board of Orthopedic Surgery (ABOS). He has had specialty training in minimally invasive joint replacement techniques, cartilage transplantation and partial knee replacements. Dr. Lieberman is rated as an Advanced provider by MediFind in the treatment of Bursitis. His top areas of expertise are Bursitis, Tenosynovitis, Tendinitis, and Osteoarthritis.

Gregory C. Mallo, M.D., F.A.A.O.S., is a board-certified, fellowship-trained shoulder specialist who has published and presented on a variety of shoulder-related orthopedic topics, including rotator cuff injury, total shoulder arthroplasty, and posterior shoulder pain. Before joining Orlin & Cohen, Dr. Mallo was a shoulder specialist at St. Charles Hospital.Dr. Mallo also previously treated active-duty Navy, Marine, and Special Forces personnel at Naval Hospital Camp Lejeune and was deployed in Afghanistan as part of a Forward Surgical Team in 2013.Shoulder specialist Gregory C. Mallo, M.D., joined Orlin & Cohen in 2019 from St. Charles Hospital. He completed his fellowship in the prestigious Harvard Shoulder Fellowship Program in Boston, MA, and in the AANA as part of the Advanced Arthroscopy Traveling Fellowship Program. Dr. Mallo is rated as an Advanced provider by MediFind in the treatment of Bursitis. His top areas of expertise are Bursitis, Tendinitis, Tenosynovitis, and Congenital Mirror Movement Disorder.