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.

(918) 592-0999

Houston Slemp, APRN-CNP


Oklahoma Heart Institute Hospital
1120 S. Utica Ave
Tulsa , OK 74104
(918) 592-0999


Houston Slemp works as a nurse practitioner in the cardiovascular critical care unit at Oklahoma Heart Instititue. He received a Bachelor of Arts degree from Southeastern Oklahoma State University in Durant and a Bachelor of Science in nursing from the University of Oklahoma in Tulsa. He earned a Master of Science in nursing with a concentration of acute care nurse practitioner from the University of South Alabama in Mobile. He is a member of the Society of Critical Care Medicine, The American Association of Nurse Practitioners and the American Nurses Association.