Hillcrest COVID-19 Call Center
Hillcrest HealthCare System has an established COVID-19 Call Center. Operators are available Monday - Friday, from 8 a.m. to 5 p.m. to answer patient questions, provide support and connect them to a provider. The Call Center line is 918-574-0920.


Ghassan Tawil, M.D.

Ghassan Tawil, MD


Hillcrest Medical Center
1120 S. Utica
Tulsa, OK 74104

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Pulmonology/Critical Care

Ghassan Tawil, MD, has been a critical care specialist at Hillcrest Medical Center in Tulsa since 2008. He was board certified in internal medicine in 2005 and board certified in critical care in 2008. Professional organizations of which he is a member include the Society of Critical Care Medicine and American College of Chest Physicians.

Dr. Tawil earned his medical degree from the University of Aleppo-Syria. He completed residency at the University of Oklahoma – College of Medicine. He completed his fellowship in critical care medicine at Wake Forest University.

When he’s not tending to the needs of his patients, Dr. Tawil enjoys spending time with family and traveling.

Dr. Tawil sees patients at Hillcrest Medical Center at 1120 S. Utica in Tulsa.