Meet Our Surgeons

The surgeons at MacNeal Hospital’s Orthopaedic Department work hard to provide you with quality care. Our doctors specialize in joint and spine procedures that can begin to relieve your pain and get you back to an active lifestyle. Click on a surgeon’s name below to read his or her bio and learn about areas of expertise

Orthopaedic Surgeons

Allan M. Brecher, M.D.

Allan M. Brecher, M.D. earned his bachelor’s degree at Emory University in Atlanta, where he participated in the school’s honor society and Phi Sigma national biology honor society and made the dean’s list all 12 quarters.

Michael J. Hejna, M.D., Ph. D.

Michael J. Hejna, M.D., Ph. D. believes muscular-skeletal disease does not discriminate across gender, age or ethnicity and often results in lost work, missed school and withdrawal from life’s activities due to pain.

Erling Ho, M.D.

Erling Ho, M.D. believes that informed patients and family members are integral to rehabilitation from chronic pain, orthopaedic injury or surgery.

Tariq Bin Iftikhar, M.D., F.A.C.S.

Tariq Bin Iftikhar, M.D., F.A.C.S. states, in treating my patients, I approach both the physical and the mental aspect of pain when treating my patients. Their overall well being is my focus and is gratifying to both of us.

Scott Seymour, M.D.

Scott Seymour, M.D. knows that healthy joints are necessary for all stages in life. “I treat a range of patients including young construction workers, weekend athletes, and seniors, who all experience joint pain.


Tiber Boco, M.D.

Tiber Boco, M.D.  is a diplomate of the American Board of Neurological Surgeons and assistant professor of neurological surgery at Rush University Medical Center. After attending medical school at the University of Chicago, he completed his neurosurgery residency at Rush University Medical Center.

Francisco Javier Espinosa, M.D., Ph.D., F.R.C.S.(C), F.A.C.S.

Francisco Javier Espinosa, M.D., Ph.D., F.R.C.S.(C), F.A.C.S. believes that curing conditions comes with patience and an attentive ear. “I always allow time to listen to my patient’s medical problems and to help them understand their condition and treat them in the most efficient way possible,” he says. 

Sean A. Salehi, M.D.

Sean A. Salehi, M.D. received an electrical engineering degree from Rutgers University School of Engineering in Piscataway, New Jersey and went on to earn a medical degree from Temple University School of Medicine in Philadelphia.

Andrew Stephen Zelby, M.D., F.A.C.S.

Andrew Stephen Zelby, M.D., F.A.C.S. currently serves as assistant professor in the Department of Neurosurgery at Rush University Medical Center in Chicago.