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Clinical Professor of Surgery

A clinically integrated network of physicians and providers employed by UChicago Medicine who offer care in inpatient, community, ambulatory, acute care or extended care settings.

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Leonard Kranzler, MD, JD, is an expert in the management of neurosurgical trauma. His clinical interests include: minimally invasive muscle splitting microsurgical lumbar and cervical spine surgery, and balloon compression for Trigeminal neuralgia and pituitary tumors. 

In addition to his clinical role, Dr. Kranzler is dedicated to neurosurgical education, leading training courses on the use of stimulators. He is a member of the Tri Beta Biology Honor Society and has been named one of the 'Top Doctors' by Chicago magazine several years in a row.

Medical Education

  • Northwestern University Medical School


  • Passavant Memorial Hospital


  • Northwestern Memorial Hospital


  • Kantonsspital St. Gallen

Memberships & Medical Societies

  • Illinois State Medical Society
  • Inter-Urban Neurosurgical Society
  • Institute of Medicine of Chicago
  • Illinois Trial Lawyers Association
  • American Association of Neurological Surgeons
  • American Bar Association
  • American College of Surgeons
  • American Medical Association
  • Central Neurosurgical Society
  • Chicago Bar Association
  • Chicago Literary Club
  • Chicago Medical Society
  • Congress of Neurological Society
  • Illinois Bar Association
  • Illinois Society of Neurological Surgeons
  • National Health Lawyers Association
  • Aetna POS
  • Aetna HMO
  • Aetna PPO
  • BCBS Blue Precision HMO
  • Cigna HMO
  • Cigna POS
  • Cigna PPO
  • CountyCare
  • Coventry Health Plan PPO
  • Great West PPO
  • Illinicare
  • Medicare
  • Multiplan PPO
  • United Choice / Choice Plus
  • United Options (PPO)
  • United Select (HMO & EPO)
  • United W500 Emergent Wrap
To Request an Appointment

Duchossois Center for Advanced Medicine (DCAM) - Hyde Park

Request an Appointment at Duchossois Center for Advanced Medicine (DCAM) - Hyde Park or call UCM Connect at 1-888-824-0200

To Refer a Patient

Refer a Patient or call UCM Connect at 1-888-824-0200

At a Glance

Practicing Since1969

Board Certifications

  • Neurological Surgery

Languages Spoken

  • English
  • Hebrew
  • Spanish