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Mark Harrington, DO, ATC

Sports Medicine Physician

Practice Location(s): Freehold and East Brunswick, New Jersey

Specialty: Sports Medicine Physician

Phone: (866) 936-9556

Mark Harrington, DO

Medical School:

A.T Still – Kirksville College of Osteopathic Medicine


Morristown Medical Center


University Hospital

Mark Harrington, DO, ATC is a specialist in sports medicine and non-operative orthopedics at Alliance Orthopedics. He is board-certified in family medicine with a certificate of added qualifications in sports medicine. For three years, Dr. Harrington served as a team physician for the Cleveland Browns. 

Dr. Harrington’s special interests encompass all aspects of sports medicine including injury prevention and rehabilitation, acute and chronic injuries, sports-related concussion, and sports physicals. Additional interests include musculoskeletal ultrasound-guided procedures and diagnostics, as well as the use of orthobiologics to improve the healing of fractures, injured muscles, tendons and ligaments.

Prior to attending medical school, Dr. Harrington earned a bachelor’s degree in athletic training and practiced as a high school and collegiate athletic trainer. He went on to earn his Doctor of Osteopathic Medicine degree at A.T. Still – Kirksville College of Osteopathic Medicine in Missouri and completed his Family Medicine Residency at Morristown Medical Center in New Jersey, where he served as Chief Resident. Dr. Harrington completed his Sports Medicine Fellowship at University Hospitals in Cleveland, Ohio.

Dr. Harrington’s Areas of Expertise Include:

  • Clinical Orthopedics
  • Athletic Injury
  • Non-Operative Fracture Management
  • Non-Operative Management of Sports Injuries
  • Sports Concussions
  • Ultrasound-Guided Musculoskeletal Injections
  • Ultrasound-Guided Percutaneous Tenotomy

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