Endocrinology
Allison Hahr, M.D.
Associate Professor, Medicine (Endocrinology, Metabolism and Molecular Medicine); Director, Northwestern Medicine Bone Health and Osteoporosis Program
Dr. Allison J. Hahr is an Associate Professor of Medicine in the Division of Endocrinology, Metabolism and Molecular Medicine at Northwestern University Feinberg School of Medicine. She specializes in disorders of calcium and bone metabolism, with particular expertise in osteoporosis, primary hyperparathyroidism, vitamin D deficiency, and transplant osteoporosis. Dr. Hahr also manages endocrine disorders including thyroid disease and polycystic ovary syndrome. As Director of the Northwestern Med
24+
Years in Practice
Credentials
Board Certifications
- American Board of Internal Medicine — Endocrinology, Diabetes & Metabolism
Education & Training
- MD, University of Wisconsin Madison School of Medicine — 2002
- Residency, McGaw Medical Center of Northwestern University — 2005
- Fellowship, McGaw Medical Center of Northwestern University — 2007
Peer Recognition
- Castle Connolly — Top Doctor
2025-2026 (2 years)
Clinical Focus
Subspecialties
Conditions & Treatments
Practice Details
Hospital Affiliations
- Northwestern Memorial Hospital
- Northwestern Medicine Endocrinology
- Northwestern Medicine Nephrology and Hypertension Program
Languages
English
Experience
24+ years in practice