Dr. Dennis Michael Martinez, DO

Dr. Dennis Martinez specializes in internal medicine with advanced training in pulmonology, hospital medicine, and critical care medicine. He earned his medical degree from Lake Erie College of Osteopathic Medicine and completed his residency at University of Illinois Hospital. With 11 years of experience treating complex respiratory and critical care conditions, Dr. Martinez brings extensive expertise to patient care.

Dr. Martinez practices at multiple locations throughout the Chicago area, including Chicago Ridge, Palos Heights, and Palos Park. He is affiliated with several leading hospitals, including OSF Little Company of Mary Medical Center, University of Illinois Hospital, and Advocate Christ Medical Center. His clinical focus includes treating respiratory failure, chronic lung disease, and COPD. He performs specialized procedures such as pulmonary function testing and bronchodilator reversibility testing to help diagnose and manage breathing disorders.