Department of Medicine

About Us

Dedicated to the future of care

The Department of Medicine provides residents with a thorough, broad-based education while giving patients individualized care through Feinberg-affiliated hospitals and care sites and conducting high-level basic and clinical research through our 12 specialized internal medicine divisions.

The unique culture at the Department of Medicine is built on its rich history of research and clinical innovation embedded in an exceptional clinical environment, driven by faculty and staff whose commitment and talent create patient care improvements through scientific advance.

These extraordinary strengths allow the Department to adapt to tremendous challenges and opportunities that are arising in healthcare. We have seen more change over recent years than in many preceding decades. As each of us contributes to expanding what we can achieve, we are driven by the same core mission: Patients First.”

Susan E. Quaggin, MD, FRCP(C), FASN

Read Message from the Chair

What We Do

Faculty Spotlight

Allison J Hahr

Associate Professor of Medicine (Endocrinology)

Dr. Hahr is interested in disorders of endocrinology. She specializes in disorders of calcium and bone, including osteoporosis, hyperparathyroidism and vitamin D deficiency. She also cares for patients with a variety of thyroid disorders, diabetes mellitus, Polycystic Ovary Syndrome, pituitary disease and adrenal disease.

Phillip E Roemer

Associate Professor of Medicine (General Internal Medicine)

Comprehensive care of adults, Occupational medicine

Martha L Twaddle

Clinical Professor of Medicine (Hospital Medicine)

Dr. Twaddle combines nearly thirty years of experience in the care of seriously ill people and their families in a variety of areas of service. She currently serves as the Medical Director for Palliative Medicine & Supportive Care at Northwestern Medicine - Lake Forest Hospital. Her academic work includes developing curriculum, guidelines and models of care for healthcare professionals to provide care for the seriously ill in all settings. In addition, at Northwestern University Feinberg School of Medicine, she works with teams that are evaluating the impact of communication skills training on...

Chad A Mirkin

Professor of Weinberg College of Arts and Sciences and Medicine (Hematology and Oncology)

Dr. Chad A. Mirkin is the Director of the International Institute for Nanotechnology and the George B. Rathmann Prof. of Chemistry, Prof. of Chemical and Biological Engineering, Prof. of Biomedical Engineering, Prof. of Materials Science & Engineering, and Prof. of Medicine at Northwestern University. He is a chemist and a world-renowned nanoscience expert, who is known for his discovery and development of spherical nucleic acids (SNAs) and SNA-based biodetection and therapeutic schemes, the invention of Dip-Pen Nanolithography (DPN) and related cantilever-free nanopatterning methodologies, On...

Bradley R Sabin

Clinical Instructor of Medicine (Allergy and Immunology)

Clinical interests include adult and pediatric allergy & immunology.

Sean B Smith

Associate Professor of Medicine (Pulmonary and Critical Care) and Surgery (Thoracic Surgery)

Bronchoscopy, EBUS, lung nodules, lung cancer, pleural disease, critical care ultrasound

John D Nicolas

Clinical Assistant Professor of Medicine (General Internal Medicine)

Prevention, health and wellness promotion, and the management of acute and chronic illnesses.

Atsushi Kato

Associate Professor of Medicine (Allergy and Immunology) and Otolaryngology - Head and Neck Surgery

Local immunity in the airway; airway epithelial cell biology; mast cell biology; the pathogenesis of chronic rhinosinusitis. A long-recognized property of airway epithelial cells is their function as a complex physical barrier that defends against exposure to potentially harmful inhaled substances and microbial pathogens. It is now clear that airway epithelial cells also regulate both innate and adaptive immunity through production of functional molecules and via physical interactions with immune cells. Our laboratory is focused on the role of epithelial cytokines including BAFF, TSLP and IL-1...

Peter H Sporn

Professor of Medicine (Pulmonary and Critical Care), Cell and Developmental Biology and Medical Education

Clinical Interests: asthma, chronic obstructive pulmonary disease (COPD), interstitial lung disease, SARCOIDOSIS. Research Interests: airway inflammation and remodeling in asthma and COPD; effects of hypercapnia (elevated levels of CO2) on innate immunity and host defense in the lung.