Have you recently lost your health benefits due to COVID-19? You may be eligible for Medicaid or Marketplace insurance. Call 312-864-8200 and select #1 to hear about options and apply for health coverage.
Peter Orris, MD  


Occupational Medicine


John H. Stroger, Jr. Hospital


Therapy Services

Faculty Rank:


Board Certification:

Preventive Medicine in Occupational/Environmental Medicine

Medical Education:

Rosalind Franklin University Chicago Medical School, MD , Yale University School of Public Health, MPH


Internal Medicine at Cook County Hospital, Occupational/Environmental Medicine at Cook County Hospital

Clinical Expertise:

General Occupational/Environmental Medicine, Environmental Epidemiology, Environmental Toxicology, Medical Legal, Aspects of Medicine, Ethics of Human Research, Organization of Medical Care

Research Interests:

Health Problems of Invisible Workers, Racial/Ethnic Disparities and Impact on Disease and Medical Care, Environmental Toxicology, Climate change and its Impact on Public Health.