Her areas of expertise include disorders of calcium metabolism, diabetes, and thyroid problems. Dr. Hahr is affiliated with Northwestern Medical Group (NMG), Northwestern Memorial Hospital, and Northwestern University Feinberg School of Medicine. After attending the University of Wisconsin School of Medicine and Public Health for medical school, she completed her residency training at Northwestern Memorial Hospital. Dr. Hahr's average patient rating is 5.0 stars out of 5. She accepts Blue Cross/Blue Shield, Coventry, TRICARE, and more.