Orthopedic Center – Joint Replacement

Specialties Orthopedics Joint Replacement


Kim J. Chillag, MD

Jeffrey S. Hopkins, MD

David E. Koon, MD

Andy T. McGown, MD

Bradley P. Presnal, MD

Frank R. Voss, MD

Advanced practice providers

Janine Moseley, PA

Karin Duffy, PA

James Coffey, PA

Betsy Maharaj, PA

About our team

Our joint replacement team at Palmetto Health-USC Orthopedic Center includes four fellowship-trained surgeons with a combined total of nearly 100 years of experience in joint replacement surgery. We utilize multiple surgical approaches to perform unicompartmental, primary and revision knee replacement, primary and revision hip replacement and osteotomies.

Each of our patients undergo a thorough evaluation and work with our specialists to develop a unique, patient-centered and comprehensive treatment plan. We collaborate with each patient to determine the most appropriate treatment option, discuss the procedure and answer any questions.

Our services

Common joint replacement conditions and treatments include:

  • Hip and knee replacement surgery
  • Revision total hip surgery
  • Revision total knee surgery
  • Arthroscopic knee surgery
  • Visco supplementation

Research initiatives

Ongoing communication with our patients helps us to refine our processes to better meet their needs and ensure that they have a great experience during their joint replacement journey. Read more »

About Palmetto Health-USC Medical Group

We are proud to be part of the Palmetto Health-USC Medical Group, which includes caring, compassionate health care professionals who are highly trained to meet your medical needs in Columbia, Lexington and across the greater Midlands region of South Carolina.

Providing excellent medical care in comfortable office environments, our network team of physicians, advanced care providers, nurses and staff is prepared to answer any questions you have. We provide comprehensive medical care for short-term needs like annual physicals as well as ongoing management of chronic diseases. Prevention is a big part of your overall care plan. Should additional, focused medical treatment ever be needed, our doctors will refer you to a specialist and stay involved in your care. Only at Palmetto Health-USC Medical Group will you find the extensive level of expertise available from a wide variety of specialists.