Dr. Brian A. Brennan graduated from the UMDNJ New Jersey Medical School at Newark in 1985. He works in Sioux Falls, SD and specializes in Allergy & Immunology. Dr. Brennan is affiliated with Brookings Health System, Sanford USD Medical Center and Avera Mckennan Hospital.
Years in Practice: 29 Years
Languages Spoken: English
Medical School: UMDNJ New Jersey Medical School at Newark
Graduation Date: 1985
Specialties: Allergy & Immunology