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Mark Klion, M.D.



Mark Klion, M.D. is a Board-Certified Orthopedic Surgeon who is Fellowship trained in Sports Medicine and dedicated to treating athletic injuries of the musculoskeletal system, with a special focus on shoulder, elbow, hip, knee and foot and ankle injuries.

Dr. Klion employs the newest techniques for knee ligament reconstruction, cartilage repair, regeneration and meniscal transplantation and has expertise in arthroscopic rotator cuff repairs and shoulder stabilization procedures.

He is an experienced orthopedic surgeon who has been in private practice for almost 25 years in New York City. He earned his Medical Degree from the Icahn School of Medicine at Mount Sinai and completed his Orthopedic Residency at Mount Sinai Hospital in New York. He completed a Fellowship in Sports Medicine at the University of Chicago, Illinois. Dr. Klion is the Medical Director of the New York City Triathlon and has completed 11 Ironman Triathlons and 15 Marathons.

Dr. Klion has been recognized by Castle Connolly as a Top Doctor in 2014, 2016, 2017 and 2018.


Board Certified in Orthopedic Surgery (ABOS)


Director of Orthopedics St. Barnabas Hospital
Clinical Instructor Mount Sinai Department of Orthopedics


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Clinical Areas of Interest

  • Sports Medicine
  • Arthroscopy of the shoulder, hip, knee, and ankle
  • Shoulder dislocations, labral tears, and rotator cuff tears
  • Knee meniscus and ligament injuries
  • Hip labral tears
  • Fractures around ankle, knee, and shoulders

Practice Locations

Dr. Klion sees patients at the following office locations:

New York, NY

159 East 74th Street
New York, NY 10021 (212) 737-3301

Scarsdale, NY

2 Overhill Road
Suite 310
Scarsdale, NY 10583 (914) 725-6970

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NY Orthopedics