John Rocchi is a Pediatrics specialist and a Palliative Medicine provider in Butler, Pennsylvania. Dr. Rocchi is rated as an Experienced provider by MediFind in the treatment of Rhizarthrosis. His top areas of expertise are End-Stage Renal Disease (ESRD), Anemia, Hypertension, and Obesity in Children.

Rebecca Zahniser, PA-C, specializes in orthopedic surgery and is a certified physician assistant by the National Commission on Certification of Physician Assistants. She practices at Tri Rivers Musculoskeletal Centers and is affiliated with UPMC Passavant. She completed her Master of Physician Assistant Studies at Philadelphia University. Are you already a patient of this provider and have a MyUPMC account? Log in to MyUPMC to schedule. Ms. Zahniser is rated as an Experienced provider by MediFind in the treatment of Rhizarthrosis. Her top area of expertise is Rhizarthrosis.

Bethany Prince, PA-C, specializes in orthopedic surgery and is a certified physician assistant by the National Commission on Certification of Physician Assistants. She practices at Tri Rivers Musculoskeletal Centers and is affiliated with UPMC Passavant. She completed her physician assistant studies at Chatham University. Are you already a patient of this provider and have a MyUPMC account? Log in to MyUPMC to schedule. Ms. Prince is rated as an Experienced provider by MediFind in the treatment of Rhizarthrosis. Her top area of expertise is Rhizarthrosis.

Gregory Francken is a Radiologist in Butler, Pennsylvania. Dr. Francken is rated as an Experienced provider by MediFind in the treatment of Rhizarthrosis. His top areas of expertise are Melorheostosis, Melorheostosis with Osteopoikilosis, Osteopenia, and Visceromegaly.

Mark Casteel is a Radiologist and an Interventional Radiologist in Butler, Pennsylvania. Dr. Casteel is rated as an Experienced provider by MediFind in the treatment of Rhizarthrosis. His top areas of expertise are Pleurisy, Biliary Dyskinesia, Pleural Effusion, and Visceromegaly. Dr. Casteel is currently accepting new patients.

Rhett Wahler, PA-C, specializes in orthopedic surgery and is a certified physician assistant by the National Commission on Certification of Physician Assistants. He practices at Tri Rivers Musculoskeletal Centers. He received his bachelor's degree and master's degree from Duquesne University. Mr. Wahler is rated as an Experienced provider by MediFind in the treatment of Rhizarthrosis. His top areas of expertise are Rhizarthrosis and Kienbock's Disease.

H. James Pfaeffle, MD, PhD, is a fellowship-trained orthopaedic surgeon with Tri Rivers Musculoskeletal Centers and a member of its hand and upper extremity team. He studied mechanical engineering prior to entering medical school, and earned his medical degree and doctorate in bioengineering from the University of Pittsburgh. Dr. Pfaeffle completed his internship and orthopaedic surgery residency at UPMC. He completed a hand surgery fellowship at the University of Washington in Seattle, where he refined his skills in hand and upper extremity surgery and microsurgery. Dr. Pfaeffle is board-certified by the American Board of Orthopaedic Surgery and is a member of the American Academy of Orthopaedic Surgeons, Pennsylvania Orthopaedic Society, Pennsylvania Medical Society, and Allegheny County Medical Society. In addition to performing arthroscopic hand, wrist and elbow surgery, Dr. Pfaeffle treats congenital hand conditions, fractures, dislocations, ligament injuries, and arthritis. LGBTQIA+ Affirming: This provider has completed training on how to create a safe, comfortable, and welcoming environment for LGBTQIA+ patients. This provider may or may not offer LGBTQIA+ specific medical or surgical care. Please ask when scheduling. Dr. Pfaeffle is rated as an Advanced provider by MediFind in the treatment of Rhizarthrosis. His top areas of expertise are Carpal Tunnel Syndrome, Rhizarthrosis, Ganglion Cyst, Dupuytren Contracture, and Hip Replacement.

Corey A. Pacek, MD, is a fellowship-trained orthopaedic surgeon with Tri Rivers Musculoskeletal Centers and a member of its hand and upper extremity team. Dr. Pacek received his medical degree from Jefferson Medical College in Philadelphia and completed his orthopaedic surgery residency at UPMC. He completed hand and upper extremity surgery fellowships at UPMC and the Wexford Hand & UpperEx Center, where he refined his skills in hand surgery, including microsurgery, elbow, and shoulder surgery. Dr. Pacek has served as clinical instructor and staff surgeon, and has authored numerous articles. Board-certified by the American Board of Orthopaedic Surgery, Dr. Pacek serves as a team physician for local high school athletic programs, providing on-field sports medicine coverage. He is a member of the American Academy of Orthopaedic Surgeons, the Pennsylvania Orthopaedic Society, the Pennsylvania Medical Society, and Allegheny County Medical Society. In addition to performing arthroscopic hand and wrist surgery, Dr. Pacek treats fractures, dislocations, ligament injuries, arthritis, and pediatric hand conditions. Dr. Pacek is rated as an Advanced provider by MediFind in the treatment of Rhizarthrosis. His top areas of expertise are Carpal Tunnel Syndrome, Rhizarthrosis, Ganglion Cyst, Trigger Thumb, and Hip Replacement.

Francis Savannah, CRNP, specializes in orthopedic surgery and is a certified nurse practitioner by the American Nurses Credentialing Center. He practices at Tri Rivers Musculoskeletal Centers and is affiliated with UPMC Passavant. Are you already a patient of this provider and have a MyUPMC account? Log in to MyUPMC to schedule. Dr. Savannah is rated as an Experienced provider by MediFind in the treatment of Rhizarthrosis. His top area of expertise is Rhizarthrosis.

Trenton M. Gause II, MD, is a fellowship-trained orthopedic surgeon with Tri Rivers Musculoskeletal Centers and sees patients in its Cranberry/Mars and North Hills offices. He is a member of the Hand and Upper Extremity team. Dr. Gause II received his medical degree from Penn State College of Medicine and completed his orthopedic surgery residency at the University of Virginia. He then conducted a hand and upper extremity surgery fellowship at the University of Pittsburgh Medical Center, where he further refined his surgical skills and authored numerous articles. In September 2022, Dr. Gause II joined Pittsburgh-based Tri Rivers, where he performs shoulder surgery, including reverse shoulder replacement, rotator cuff repair and shoulder stabilization, as well as hand, elbow and wrist surgery, including endoscopic carpal tunnel release. He is a member of the American Academy of Orthopaedic Surgeons, American Society for Surgery of the Hand, Pennsylvania Orthopaedic Society and Allegheny County Medical Society. Dr. Gause is rated as an Experienced provider by MediFind in the treatment of Rhizarthrosis. His top areas of expertise are Tennis Elbow, Rhizarthrosis, Carpal Tunnel Syndrome, and Osteoarthritis.