Our Team

Annabelle Volgman, MD


Annabelle Volgman, MD, is a professor of medicine and senior attending physician at Rush, and medical director of the Rush Heart Center for Women. She has been board certified in internal medicine, cardiovascular disease, and clinical cardiac electrophysiology, and is a fellow of the American College of Cardiology and the American Heart Association (AHA).

Rupa Sanghani, MD

Associate Professsor

Rupa Sanghani, MD, is an associate professor at Rush, director of nuclear cardiology, and associate director of the Rush Heart Center for Women. She came to Rush from the University of Chicago (U of C) Medical Center, where she served on the faculty from 2006 to 2015. She received both her undergraduate and medical degrees from the University of Michigan in Ann Arbor.

Charlotte Bai, MD

Assistant Professsor

Charlotte Bai, MD, is an assistant professor of medicine at Rush. She received her medical degree from Northeast Ohio Medical University and completed her internal medicine residency and cardiology fellowship at Rush. Her training also includes the completion of a cardiac CT fellowship at UCLA-Harbor in Los Angeles.

Neelum Aggarwal, MD

Associate Professor

Neelum Aggarwal, MD, a cognitive neurologist in the Department of Neurological Sciences and the Rush Alzheimer’s Disease Center, heads up the Cardiology Cognitive Clinic at Rush and is director of research for the Rush Heart Center for Women. She received her medical degree from Chicago Medical School, then completed her residency in neurology at Henry Ford Hospital in Detroit and an aging and neurodegenerative disorders fellowship with the RADC.

Melissa Tracy, MD

Associate Professor

Melissa Tracy, MD, is an associate professor of medicine and chief of noninvasive cardiology at Rush. She is a graduate of Hahnemann University School of Medicine in Philadelphia and completed a residency in internal medicine and a cardiology fellowship there. Before joining the Division of Cardiology at Rush in 2013, she was a director of cardiac rehabilitation for the University of Miami Hospital.

Tochi Okwuosa, DO

Assistant Professor

Tochi Okwuosa, DO, is an assistant professor in the Department of Internal Medicine at Rush, and director of the Cardio-Oncology Program. Before coming to Rush, she was director of the Wayne State University Physician Group’s cardio-oncology program at Karmanos Cancer Institute. She uses her expertise in cardio-oncology to provide care for patients.

Ewa Dembowski, MD

Associate Professor

Ewa Dembowski, MD, specializes in cardiovascular disease and internal medicine. Her clinical expertise includes heart disease in women, coronary artery disease, aortic stenosis, high blood pressure, high cholesterol, and high triglycerides.

Christine C. Tangney, PhD


Christine C. Tangney, Ph.D., is a professor in the Department of Clinical Nutrition at Rush, and the associate dean for research in the College of Health Sciences. She has been teaching future dietitians and other health professionals in the classroom, workshops, and webinars for more than 30 years.

Leah Cerwinske, MS, RDN, LDN

Clinical Dietitian

Leah A. Cerwinske, MS, RD, LDN, is a clinical dietitian in the Department of Clinical Nutrition, specifically working in the Rush Cardiovascular Intensive Care Unit and Rush Heart Center for Women outpatient clinic.

Lynne T. Braun, PhD, CNP

Nurse Practitioner

Lynne Braun, Ph.D., CNP, is a nurse practitioner in the Rush Heart Center for Women and a professor in the Department of Adult Health and Gerontological Nursing in the Rush University College of Nursing. Her clinical and research interests include cardiovascular risk reduction, exercise, cardiac rehabilitation, hyperlipidemia, and hypertension management.