Dr. Alan Sherman

Gregory Bailey is an Orthopedics provider in State College, Pennsylvania. Dr. Bailey is highly rated in 12 conditions, according to our data. His top areas of expertise are Spinal Stenosis, Klippel-Feil Syndrome, Cervical Spondylosis, Laminectomy, and Vertebroplasty.

Ronald DiSimone, MD, is an orthopaedic surgeon and is certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. He is the medical director of orthopaedic care at UPMC in North Central Pa. He received his medical degree from Hahnemann University School of Medicine and completed his residency at Hahnemann University Hospital.Dr. DiSimone’s clinical interests include orthopaedic spine, robotic total knee replacement, and direct anterior total hip replacement. He is a member of the American Academy of Orthopaedic Surgeons (AAOS), North American Spine Society, Eastern Orthopaedic Association, Pennsylvania Orthopaedic Society, and Lycoming County Medical Society. In his free time, he enjoys hiking and skiing.Dr. DiSimone is designated as a UPMC Health Plan Hip and Knee Joint Replacement Surgery Center of Excellence surgeon at UPMC Williamsport based on his commitment to quality care and outstanding patient experience. Dr. Disimone is highly rated in 16 conditions, according to our data. His top areas of expertise are Spondylolisthesis, Osteoarthritis, Fractured Spine, Microdiscectomy, and Cervical Disc Surgery.

"Thomas R. Bowen, MD, is chief of Orthopaedic Oncology for the Geisinger Musculoskeletal Institute and an orthopaedic surgeon at Geisinger Medical Center. Dr. Bowen earned his medical degree from Jefferson Medical College in Philadelphia, Pa. He continued his orthopaedic residency at Geisinger Medical Center and then proceeded to Massachusetts General Hospital and Boston Children's Hospital for fellowship training in orthopaedic oncology. Dr. Bowen is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. He is a fellow of the American Academy of Orthopedic Surgery and the prestigious American Orthopaedic Association. Dr. Bowen’s clinical interests include tumors of the musculoskeletal system (bone, cartilage, muscle, tendon, and peripheral nerves). He specializes in limb-preserving surgery for malignant tumors, as well as minimally invasive treatments for benign tumors and bone cysts. He cares for children and adults with tumors of the musculoskeletal system.|“Today, patients are healthier and living longer than ever before. I routinely see patients for follow-up visits who may not have survived only a decade ago. Now, they’re able to attend graduations, take vacations and watch their grandchildren grow up. Helping make those milestones possible is a part of what makes being a surgeon so worthwhile.”|In his personal life, Dr. Bowen is a native of Wilmington, Del., and a private airplane pilot, instrument rated, single engine land. His favorite movie is ""The Right Stuff.""". Dr. Bowen is highly rated in 24 conditions, according to our data. His top areas of expertise are Bone Tumor, Ewing Sarcoma, Rhabdomyosarcoma Embryonal, Bone Marrow Aspiration, and Hip Replacement.