Dr. Sean R. O'Brien graduated from the University of Chicago Pritzker School of Medicine in 1975. He works in Baltimore, MD and specializes in Allergy & Immunology and Pediatric Allergy/Immunology. Dr. O'Brien is affiliated with Sinai Hospital Of Baltimore.
Years in Practice: 39 Years
Languages Spoken: English
Medical School: University of Chicago Pritzker School of Medicine
Graduation Date: 1975
Hospital Affiliations: Sinai Hospital Of Baltimore
Specialties: Allergy & Immunology, Pediatric Allergy/Immunology