Dr. Sean R. O'Brien has been practicing medicine for 39 years. Dr. O'Brien graduated from the University of Chicago Pritzker School of Medicine in 1975. He practices medicine 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