Northwestern University Feinberg School of Medicine
Department of Medicine

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.

“As with everything we do, whether at the bedside, in the classroom or in the laboratory, we are constantly striving for excellence.”

Douglas E. Vaughan, MD

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What We Do

Faculty Spotlight

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Martha L Twaddle, MD

Clinical Associate 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...

Linda A Teplin, PhD

Professor of Psychiatry and Behavioral Sciences and Medicine (Infectious Diseases)

Dr. Linda A. Teplin is the Director of the Health Disparities and Public Policy Program in the Department of Psychiatry and Behavioral Sciences. She is the Primary Investigator for the Northwestern Project, the first large-scale longitudinal study of mental health needs and outcomes of delinquent youth after detention. For nearly two decades, the Northwestern Project has tracked and re-interviewed nearly 2000 participants, first recruited when they entered the Cook County Temporary Juvenile Detention center when they were ages 10-18 years. The Northwestern Project assesses a broad range of out...

Yacob G Tedla, PhD

Research Assistant Professor of Medicine (General Internal Medicine and Geriatrics)

Dr. Tedla is a cardiovascular epidemiologist. His research work focuses on arterial structural and functional abnormalities, with a special emphasis on arterial stiffness and blood pressure variability, and their impact on cardiovascular diseases. He is interested on the use of big electronic health record data to conduct clinical research while leveraging on robust epidemiologic methods and analytical techniques.

Ajay Bhasin, MD

Instructor of Medicine (Hospital Medicine)

Dr. Bhasin completed his residency in Internal Medicine and Pediatrics in 2016. His primary focus is in the care of hospitalized adults and hospitalized children.

Chad J Achenbach, MD, MPH

Associate Professor of Medicine (Infectious Diseases) and Preventive Medicine

My research is focused on ways to improve treatment and outcomes of patients with HIV on antiretroviral therapy. In particular, I am interested in strategies of HIV eradication, broadly neutralizing HIV antibodies, and the epidemiology of HIV-associated cancers.

James D Flaherty, MD

Associate Professor of Medicine (Cardiology)

Dr. Flaherty is an associate professor of medicine in Interventional Cardiology and severes as the medical director of the coronary care unit (CCU) of Northwestern Memorial Hospital. He is board certified in internal medicine, cardiovascular disease, interventional cardiology and advanced heart failure & transplant cardiology. He has severed as the principal investigator for several research trials, including those related to heart valve therapies. He is the course director for the CME conference: Chicago Case-Based Coronary & Structural Heart Intervention Update. In 2012, he was a recipient o...

Sharon Reifler Rosenberg, MD

Associate Professor of Medicine (Pulmonary and Critical Care)

Dr. Rosenberg’s clinical interests are in the care of asthma, COPD and alpha-1 antitrypsin deficiency. Her research interests relate to co-morbidities of COPD, asthma and COPD re-hospitalization risk factors and interventions, and air pollution.

Evan S Lu, MD

Clinical Assistant Professor of Medicine (General Internal Medicine and Geriatrics)

Preventive medicine, Primary care internal medicine

Robert O Bonow, MD

Professor of Medicine (Cardiology)

Cardiovascular healthcare quality, outcomes reserach, Hypertrophic cardiomyopathy, Valve disease, heart failure

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