Dr. Regan completed her undergraduate degree in Biochemistry with Honors at the University of Michigan in 2000. She then received her MD/PhD from Northwestern University in 2010 under the mentorship of Dr. Lou Laimins. She finished her Internal Medicine Residency in 2013 and Allergy-Immunology Fellowship in 2016 at Northwestern Memorial Hospital and Ann & Robert H. Lurie Children’s Hospital of Chicago. During her time at Northwestern, she worked in the laboratory of Dr. Bruce Bochner and studied the mechanisms involved in anaphylaxis and food allergy as well as new potential treatment options. Dr. Regan is board certified in both Internal Medicine and Allergy/Immunology. She is currently working in the Issaquah, Redmond and Renton offices taking care of both adult and pediatric patients. During her free time, she enjoys spending time exploring the area with her husband and 2 sons.