Northwest Health Brings Cardiothoracic Surgeon to Region

Valparaiso, IN – Northwest Health welcomes cardiothoracic surgeon Sinan Simsir, MD, to Northwest

Medical Group. With more than 20 years of experience in treating complex heart and lung conditions,

Dr. Simsir brings advanced surgical expertise and a patient-centered approach to the region. He joined

Northwest Medical Group - Cardiothoracic Surgery office located at 85 E. U.S. Highway 6, Suite 310, in

Valparaiso.

Dr. Simsir’s expertise includes the use of ventricular assist devices (VAD), mitral valve repair, repair of

aortic dissections, and other open heart surgery.  He has held leadership roles in lung and heart

transplant and advanced heart failure programs at several well-established cardiothoracic centers across

the country, including Cedars-Sinai Medical Center in Los Angeles, and Advocate Christ Medical Center

in Oak Lawn. 

A pioneer in advanced cardiothoracic care and having founded lifesaving programs at leading medical

centers across the country, Simsir brings a wealth of experience to the region. At Cedars-Sinai Medical

Center, Dr. Simsir founded the VAD program that provides critical support for patients with advanced

heart failure. He also served as the founding Surgical Director of the lung transplantation program at

Advocate Christ Medical Center and the VAD program at Jersey Shore University Medical Center in

Neptune N.J. He founded the ECMO (extracorporeal membrane oxygenation) programs at Jersey Shore

University Medical Center and Riverside Medical Center in Kankakee as well. 

“Dr. Simsir’s arrival marks an exciting advancement in cardiothoracic care in our region,” Northwest

Health - Porter CEO James Leonard, DO, FACEP, said. “His extensive experience, leadership in growing

lifesaving programs and dedication to patient-centered care will be an incredible asset to our

community.”

Dr. Simsir pursued his medical education at Marmara University in Istanbul, Turkey, before completing

residencies in Cardiothoracic Surgery at the University of Massachusetts Hospital and General Surgery at

the University of Minnesota. Dr. Simsir also trained as a fellow in Thoracic Transplantation and VAD and

was an assistant professor at Duke University Medical Center. He is board-certified by the American

Board of Thoracic Surgery.

Known for his clear communication and compassionate care, Dr. Simsir takes time to explain procedures

in a way patients can understand, earning the trust of both patients and their families. Dr. Simsir treats

heart valve disorders, aortic aneurysms, coronary artery disease, heart failure, congenital heart defects,

lung cancer, lung disease/disorders, pleural disease, pneumothorax, mediastinal tumors, and chest wall

tumors. 

To schedule a consultation with Dr. Simsir, call 219-983-6380.

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About Northwest Health

Northwest Health is a regional healthcare system committed to providing communities in Northwest

Indiana with high-quality, accessible health care — from highly specialized care and surgical services to

more routine primary care. The system of more than 60 access points includes three hospitals, five

emergency departments, urgent care centers, outpatient surgery centers, an ambulance service, and

physician offices. A compassionate team of caregivers work hard to fulfill its mission to help people get

well and live healthier. For more information, visit NWHealthIN.com.