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James Mok, MD

Associate Professor of Orthopaedic Surgery

James Mok, MD, is a board-certified orthopaedic surgeon who specializes in the diagnosis and treatment of spine conditions, including herniated discs, spinal stenosis, spondylolisthesis and degenerative disc disease. He also cares for patients with cervical stenosis or myelopathy -- conditions in which the spinal cord and nerves become compressed in the neck. In addition, Dr. Mok has a special interest in utilizing minimally invasive surgery (MIS) to speed up recovery times after spine surgery.

After completing his fellowship, Dr. Mok served as a major in the United States Army, where his duties included caring for members of elite special operations units. He also deployed as the orthopaedic surgeon for a combat support hospital in Iraq. He received notable military awards for his service, including the Meritorious Service Medal.

Dr. Mok is an accomplished author and has been invited 
to present his work at national and international conferences on spine diseases and orthopaedic surgery. His recent articles have been published in leading journals in the field including Spine, The Spine Journal and the Journal of Bone and Joint Surgery.

Practice Locations

The University of Chicago Medicine
5841 S. Maryland Avenue
Chicago, IL 60637

University of Chicago Orthopaedics
11456 S. Broadway
Crown Point, IN 46307

Year Started Practice


Board Certification

Orthopaedic Surgery

Medical School

Columbia University College of Physicians and Surgeons, New York

Internship and Residency

University of California San Francisco


Cedars-Sinai Medical Center, Los Angeles


American Academy of Orthopaedic Surgeons
North American Spine Society
Mid-America Orthopaedic Association
Scoliosis Research Society

Languages Spoken


Office Phone

(773) 834-3531 

Office Fax

(773) 702-4765

Office Postal Address

James Mok, MD
The University of Chicago Medicine
5841 S. Maryland Avenue, MC 3079
Chicago, IL 60637

Physician Photo

Clinical Interests

  • Spine care
  • Degenerative disorders of the spine
  • Herniated discs
  • Spinal stenosis
  • Spondylolisthesis
  • Spondylolysis (pars fracture)
  • Radiculopathy
  • Degenerative disc disease
  • Spondylosis
  • Cervical myelopathy
  • Adult scoliosis
  • Adult deformity
  • Failed back surgery syndrome (FBSS)

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Learn More About Dr. Mok

After Dr. Mok performed minimally invasive spine surgery to relieve her crippling pain, Angelia Crenshaw has regained her mobility and her social life.

Listen to an interview with Dr. Mok about spine conditions and spine care that was featured on Chicago's WVON radio.

Selected Publications

View a partial list of Dr. Mok's publications through the National Library of Medicine's PubMed online database.