Our Experts

At Tri-County Orthopedics, our specialty-trained doctors are recognized leaders in the diagnosis and treatment of orthopedic conditions and injuries. When you are seen by one of our experts, you know that you are being treated by an experienced doctor who is focused and dedicated to providing you exceptional orthopedic care.

To learn more about our physician assistants who work with our orthopedic doctors, please click on the tab above.

To search for an orthopedic doctor by name, specialty, or location, please use the options below.

Wayne A. Colizza, M.D.

Hip, Joint Replacement, Knee, Shoulder, and Sports Medicine

Robert J. D'Agostini, Jr., M.D.

Ankle, Foot, Hip, Joint Replacement, Knee, Shoulder, and Sports Medicine

David M. Epstein, M.D.

Ankle, Foot, Knee, Shoulder, and Sports Medicine

Back, Neck, and Spine

Claudia L. Ginsberg, M.D.

Knee, Shoulder, and Sports Medicine

Robert T. Goldman, M.D.

Hip, Joint Replacement, Knee, Shoulder, and Sports Medicine

Stephen A. Hunt, M.D.

Hip, Ankle, Knee, Shoulder, and Sports Medicine

Paul M. Lombardi, M.D.

Hip, Joint Replacement, Knee, and Sports Medicine

Lisa E. Longworth, D.O.

Pain Management, Anesthesiology, and Nonoperative Spine Care

Jason E. Lowenstein, M.D.

Back, Neck, and Spine

Mark J. McBride, M.D.

Elbow, Hand, Shoulder, and Wrist

Kenneth D. Montgomery, M.D.

Elbow, Hand, Knee, Shoulder, Sports Medicine, and Wrist

Photo: Alena Polesin, M.D.

Back, Neck, Spine, Pain, and Physical Medicine and Rehabilitation

Peter Tsairis, M.D.

Neurology and Nonsurgical Back, Neck, and Spine

Andrew A. Willis, M.D.

Elbow, Hand, Knee, Shoulder, Sports Medicine, and Wrist

At Tri-County Orthopedics, our physician assistants (PAs) work closely with our orthopedic doctors to provide the highest level of surgical and nonsurgical care for patients.

Physician assistants are highly trained healthcare providers who work under the supervision of our orthopedic doctors to take medical histories, conduct exams, diagnose and treat bone, joint, and muscle injuries and conditions, order and interpret tests such as X-rays and MRI, prescribe medications, and assist our doctors during surgery. Our PAs are trained to recognize when patients need the attention of a supervising doctor or additional specialist.

To read frequently asked questions about physician assistants, please click the FAQ link below.

FAQ: Physician Assistants

To learn more about our physician assistants at Tri-County Orthopedics, please use the links below.

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