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To provide exceptional orthopedic care with compassion, integrity, and excellence while helping patients improve mobility, reduce pain, restore function, and achieve their highest quality of life.
Dr. Tonnies is a board-certified orthopedic surgeon through the American Board of Orthopaedic Surgery with nearly 30 years of experience serving the Shenango Valley and surrounding communities. He takes time to listen, explain treatment options clearly, and create a personalized plan that supports each patient's independence, confidence, and quality of life.
His areas of focus include hip and knee replacement, revision joint replacement, arthritis treatment, sports medicine, fracture care and trauma, shoulder injuries and rotator cuff disorders, carpal tunnel syndrome, hand, wrist, foot, and ankle conditions, tendon and ligament injuries, workers' compensation injuries, veteran orthopedic care, and general orthopedic surgery.
Austin is a certified physician assistant specializing in orthopedics and sports medicine. He earned a Master of Science in Physician Assistant Studies from the University of Mount Union and a Bachelor of Science in Biology from Wheeling Jesuit University. Certified by the NCCPA and licensed in Pennsylvania and Ohio, he provides comprehensive care in collaboration with Dr. Tonnies, including orthopedic evaluations, fracture care, casting and splinting, pre- and post-operative care, work-related injury treatment, and patient education.
Outside of medicine, Austin stays active through outdoor activities and sports — an appreciation for movement and recovery that helps him connect with patients working to return to the activities they enjoy most.
Known as Chad, Dennis is an experienced physical therapist who provides patient-centered orthopedic rehabilitation. His areas of focus include joint replacement recovery, sports injury rehabilitation, post-surgical therapy, arthritis management, balance and mobility training, strength and conditioning, functional mobility, and work-related injury rehabilitation.
Gizelle brings more than 30 years of experience in orthopedic rehabilitation. She develops individualized treatment plans for patients recovering from joint replacement surgery, sports injuries, fractures, work-related injuries, arthritis, and other orthopedic conditions. She is licensed in Pennsylvania and Ohio and also serves as an Associate Teaching Professor at Penn State Shenango.
On-site digital X-ray and in-house physical therapy through Peak Performance Physical Therapy allow patients to receive coordinated care in one convenient location. Free on-site parking is available, and our facility is wheelchair accessible and ADA compliant.
We are proud to care for veterans, athletes, active adults, retirees, and workers' compensation patients throughout Western Pennsylvania and Eastern Ohio. As a member of the Shenango Valley Chamber of Commerce, we remain committed to the health and well-being of the communities we serve.
Compassionate orthopedic care for the Shenango Valley
Hermitage Orthopedics and Sports Medicine, PC has proudly served the Shenango Valley and surrounding communities for 25+ years. We provide comprehensive orthopedic care with a personalized, patient-centered approach for injuries and conditions affecting the bones, joints, muscles, ligaments, and tendons.
Our providers offer both surgical and non-surgical treatment options and take time to explain your choices. Whether your goal is returning to work, competing in sports, spending time with family, hunting, golfing, gardening, or simply moving without pain, we are here to help.
Getting You Back to What You Love
Call Hermitage Orthopedics and Sports Medicine at 724-346-2677 to schedule an orthopedic appointment. For Peak Performance Physical Therapy appointments, call 724-346-1529. Same-day and urgent orthopedic appointments may be available based on scheduling and provider availability.