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Northwestern University Feinberg School of Medicine
Department of Medicine

Hospital Medicine

About Us

The Division of Hospital Medicine is defining a new standard of excellence by delivering collaborative, compassionate and comprehensive care to high-complexity patients and their families, by researching and innovating to make a positive impact on patient and health system outcomes and by shaping the next generation of medical professionals through mentorship and education.

“Our greatest strength is our people. We know that the best way to ensure the highest quality care for our patients is to make every effort to support our healthcare professionals.”

– Kevin J. O’Leary, MD

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What We Do

Faculty: Meet the Team

View individual profiles of our faculty members and learn about their research and clinical specialties.

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A Charlotta Weaver

Associate Professor of Medicine (Hospital Medicine)

Charlotta Weaver is an Assistant Professor of Medicine at Northwestern University Feinberg School of Medicine, and Director of Operations for Oncology and Gynecology at Northwestern Memorial Hospital. She graduated from University of Pittsburgh School of Medicine in 2005 and completed internal medicine residency at Northwestern in 2008, when she joined the Division of Hospital Medicine as an oncology hospitalist. In 2016 she completed a Master’s Degree in Health Quality and Patient Safety from NU. In addition to her operational role, she also serves as Director of Faculty Development and Recru...

Mobola Tolulope Campbell-Yesufu

Assistant Professor of Medicine (Hospital Medicine)

I received my medical degree from Georgetown University, and completed my Internal Medicine residency at Northwestern Memorial Hospital. Following residency, I completed a fellowship in Infectious Diseases at Massachusetts General Hospital. I practiced as an ID physician for a few years and returned to Northwestern in 2014 as faculty in the Division of Hospital Medicine.

Sabine B Sobek

Assistant Professor of Medicine (Hospital Medicine)

interested in internal medicine in the perioperative setting

Amitkumar R Patel

Assistant Professor of Medicine (Hospital Medicine)

Care of hospitalized medicine patients, medical student and resident education

Ajay Bhasin

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.

Ryan J Buck

Assistant Professor of Medicine (Hospital Medicine)

Hospital based quality improvement

Ann-Marie T Tantoco

Instructor of Medicine (Hospital Medicine) and Pediatrics

Dr. Ann-Marie Tantoco practices as a med-peds hospitalist in Northwestern Memorial Hospital and Ann & Robert H. Lurie Children's Hospital of Chicago. She is board certified in Internal Medicine and Pediatrics.

Darren V Boyd

Instructor of Medicine (Hospital Medicine)

London School of Hygiene & Tropical Medicine: Diploma in Tropical Medicine & Hygiene (2016)

Kevin J O'Leary

Professor of Medicine (Hospital Medicine)

Kevin is Chief of the Division of Hospital Medicine, Associate Chair for Quality in the Department of Medicine, and Medical Director for Quality for Northwestern Memorial Hospital. He is the founding Director of the Northwestern Medicine Academy for Quality and Safety Improvement (NM AQSI), a professional development program to train leaders in quality improvement. In 2015, AQSI received the Leape Ahead Award from the American Association for Physician Leadership.

Joshua M Lennon

Assistant Professor of Medicine (Hospital Medicine)

I am trained in both Internal Medicine and Pediatrics. My interests involve hospital based medical care in both populations. I also have a strong interest in community based neonatal care. I am involved in medical education with medical and physician assistant students.

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Diversity and Inclusion

The department works toward an environment of inclusion and support through the Diversity and Cultural Affairs Council and through several dedicated events and initiatives.

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Housestaff Research Portal

Graduate Research Resources

We offer a wide range of resources, mentorship opportunities and training to help our residents and fellows excel as physician-scientists. Explore all of the resources and hear from housestaff who are making research a major part of their career development plans.

Visit the Housestaff Research Portal

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