Dr. Mark Siegler, MD

Dr. Mark Siegler brings nearly six decades of experience to his practice in internal medicine. He earned his medical degree from the University of Chicago Division of Biological Sciences Pritzker School of Medicine and completed his residency at University of Chicago Medicine. His extensive background spans 59 years of clinical practice, with expertise that encompasses general internal medicine and specialized care. Dr. Siegler is fluent in both English and Spanish, allowing him to serve a diverse patient population.

Dr. Siegler practices at multiple locations throughout Chicago and maintains affiliations with RML Specialty Hospital Chicago and The University of Chicago Medicine system. His clinical focus includes treating complex conditions such as bone infections, back problems and injuries, and Type 1 diabetes in children and teenagers. He provides comprehensive internal medicine care with particular attention to these specialized areas. Patients have given Dr. Siegler an average …rating of 4.5, reflecting their confidence in his extensive experience and clinical expertise.