St. James Hospital / Services & Specialties / Orthopaedics and Physical Performance / Sports Medicine / Your Team Your Team Physicians Marc O'Donnell, M.D. Andrew Wilhelm, M.D. Physical Therapists Ryan Calnan, D.P.T. Judy H. Chen, P.T., D.P.T. Shawn Valentine, D.P.T. Advanced Practice Providers Heather Cox, N.P. Hannah Kramer, P.A.-C. Mariah K. Rittwage, P.A.-C.