Our Providers

Our team includes five fellowship-trained orthopedic surgeons and a board-certified podiatric surgeon — covering sports medicine, joint replacement, hand and upper extremity, foot and ankle, and spine care.

Physicians

James S. Gardiner, MD

James S. Gardiner, MD

Orthopedic Surgery · Sports Medicine · Knee & Shoulder Arthroscopy · Knee Replacement

Dr. James Gardiner specializes in arthroscopic shoulder and knee surgery, special interest in athletic knee and shoulder injuries.

Meet Dr. Gardiner
Christopher S. Raffo, MD

Christopher S. Raffo, MD

Orthopedic Surgery · Sports Medicine · Knee & Shoulder Arthroscopy · Joint Replacement

Christopher S. Raffo, MD is a board-certified sports medicine surgeon with 21+ years of experience in arthroscopic shoulder and knee care.

Meet Dr. Raffo
Gary Feldman, DPM, FACFAS

Gary Feldman, DPM, FACFAS

Podiatry (Foot & Ankle Surgery)

Dr. Gary Feldman specializes in treating chronic and acute orthopedic conditions of the foot and ankle.

Meet Dr. Feldman
Peter G. Fitzgibbons, MD

Peter G. Fitzgibbons, MD

Hand Surgery · Orthopedic Surgery

Dr. Peter Fitzgibbons specializes in treating complex orthopedic conditions of the hand, wrist, and elbow.

Meet Dr. Fitzgibbons
John J. Christoforetti, MD

John J. Christoforetti, MD

Orthopedic Surgery · Sports Medicine · Hip, Knee & Shoulder Arthroscopy · Shoulder Replacement

Dr. John Christoforetti specializes in arthroscopic hip, shoulder and knee surgery, special interest in hip preservation.

Meet Dr. Christoforetti
Brian McCormick, MD

Brian McCormick, MD

Adult Reconstruction · Hip and Knee Replacement

A Washington, DC native and Georgetown-trained surgeon, Dr. Brian McCormick specializes in hip and knee replacement and joins MOS following a fellowship in adult reconstruction at New England Baptist Hospital — one of the country's premier joint replacement programs.

Meet Dr. McCormick

Physician Assistants

Jessica O'Keefe, PA-C

Jessica O'Keefe, PA-C

Sports Medicine · Orthopedic Surgery

Jessica O'Keefe is an orthopedic physician assistant with a special interest in sports medicine and treating adolescent athletes.

Meet Jessica O'Keefe, PA-C
Brian Long, PA-C

Brian Long, PA-C

Sports Medicine · Orthopedic Surgery

Brian Long is an orthopedic physician assistant with a special interest in sports medicine and delivering compassionate, patient centered care.

Meet Brian Long, PA-C
Call(301) 515-0900Schedule