Practitioners

Our Physicians

MOS physicians are medical doctors with extensive training and clinical experience in the diagnosis and treatment of injuries and diseases of the musculoskeletal system. MOS physicians have a wide breadth of experience, diagnostic and treatment skill, and care management efficiency, which makes them the orthopedic specialists of choice for referring doctors in the region.

Orthopedic Surgeons

• Owen R. O'Neill, M.D.
• Mark A. Heller, M.D.
• Michael J. Nemanich, M.D.
• Laurie D. Koch, M.D.
• Edward W. Kelly, M.D.
• Clare K. McCarthy, M.D.
• Joseph P. Nemanich, M.D. 

Podiatry

• Paul Langer, D.P.M.

Physician Assistants

• Geoffrey J. Theobald, PA-C
• Jeffrey F. Ballard, PA-C
• Jason R. Ash, PA-C
• Erin K. Loaney, PA-C
• Jessie C. Donovan, PA-C
• Claire R. Joubert, PA-C

Hand Therapist

• Bonnie Glenzinski, OTR/L, CHT