Alyssa N Acquaviva, PA-C

Dr. Daniel Altman is a nationally recognized expert in the field of orthopaedic spine and trauma surgery. He specializes in cervical disc surgery and disc replacement, lumbar disc surgery and spinal stenosis, spinal trauma, metastatic tumors of the spine, and minimally invasive spine surgery. Additionally, Dr. Altman also specializes in the treatment of complex extremity and pelvic fractures. Dr. Altman received his undergraduate degree from Allegheny College, and graduated from Temple University School of Medicine. He completed a fellowship at the University of Pittsburgh in Spinal Surgery, after which he served as a Clinical Fellow and Instructor in Orthopaedic Trauma at Harvard Medical School/The Massachusetts General Hospital in Boston. Currently, Dr. Altman is a Professor of Orthopaedic Surgery at Drexel University College of Medicine. He has served as the Director of Orthopaedic Spine Trauma at Allegheny General Hospital since 2004. He is passionate about education and directs the Orthopaedic Surgery Residency Program at AHN. Along with his clinical and teaching responsibilities, Dr. Altman has maintained an active interest in research, which has resulted in over 40 publications in professional journals, including The Journal of Orthopaedic Trauma and The Journal of Bone and Joint Surgery. He has authored multiple book chapters and presented at numerous national and international meetings. Currently, his basic science research focuses on orthopaedic biofilms and their effect on bone healing. His clinical research is focused on improving outcomes after spinal and major orthopaedic injuries. Dr. Altman is a member of numerous medical societies and committees. These include the American Academy of Orthopaedic Surgeons, the Orthopaedic Trauma Association, the North American Spine Society, and the Pan American Trauma Society. He is board certified by the American Board of Orthopaedic Surgery.

Timothy J. Sauber II, MD, is an orthopaedic surgeon with AHN Orthopaedic Institute, specializing in adult reconstruction, arthroplasty, anterior hip replacement, hip arthritis, hip replacement, joint replacement, knee arthritis, knee replacement surgery, Mako robotic surgery, minimally invasive surgery, and robotic-assisted surgery. He provides patient-centered care tailored to meet each individual’s needs. Dr. Sauber II attended medical school at Northeast Ohio Medical University in Rootstown, Ohio. He completed his residency at AHN West Penn Hospital in Pittsburgh, Pennsylvania, followed by a fellowship in joint preservation, resurfacing, and replacement at Washington University School of Medicine in St. Louis, Missouri. He is certified by the American Board of Orthopaedic Surgery. Dr. Sauber II welcomes patients ages 18 and older, ensuring they receive the highest standard of orthopaedic care.

Patrick J. DeMeo, MD, is a professor and Institute Chair of the Department of Orthopaedic Surgery at AHN. Dr. DeMeo joined the medical staff of Allegheny General Hospital in 1993. He was appointed chair of the department of orthopaedic surgery at AGH in 2006 and system chair of orthopaedic surgery for West Penn Allegheny Health System (WPAHS) in 2009. He also served on the board of directors at WPAHS, which formed the nucleus of AHN when it was launched in 2013. Dr. DeMeo has served as medical director of the Pittsburgh Pirates baseball club since 2000. Dr. DeMeo’s past roles include medical director of the NCAA Men’s and Women’s Basketball Regional Final 4 and the City of Pittsburgh’s Great Race, as well as team physician for the Pittsburgh Penguins. He also served as past president of the Dapper Dan Charities and was recognized as the 2002 Pittsburgh Physician of the Year by Vectors. Dr. DeMeo is a member of the Major League Baseball-Team Physician Association, the American Orthopaedic Society for Sports Medicine, and the American Academy of Orthopaedic Surgeons. He has served on the Board of Governors for the Pennsylvania Orthopaedic Society and was elected to the American Orthopaedic Association, the country’s preeminent and most exclusive academic orthopaedic professional organization. Dr. DeMeo received his undergraduate degree in engineering from Rensselaer Polytechnic Institute and completed medical school at Wayne State University. He completed his residency training in general surgery at the State University of New York-Downstate Medical Center and in orthopaedic surgery at The Ohio State University. He also completed a fellowship in sports medicine-orthopaedic surgery at the Cleveland Clinic. He is a Fellow of the American Orthopaedic Association. Dr. DeMeo’s current academic affiliations are with Drexel University College of Medicine and Temple University School of Medicine, where he serves as a professor and associate professor of orthopaedic surgery, respectively. He speaks English.