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

Valve & Structural Heart Center Team

The Valve & Structural Heart Center Team at Oklahoma Heart Institute is comprised of interventional cardiologists (heart doctors that specialize in catheter-based treatments) and cardiothoracic (heart and chest) surgeons. 

Our physician team uses minimally invasive procedures to treat a variety of heart and heart valve conditions. We continue to be the most comprehensive valve and structural heart program of its kind in the state and region and offer our patients state-of-the-art techniques to treat life-threatening valve and structural heart disorders.

Learn More About Our Team

Interventional Cardiologists

Dr. Kamran Muhammad Dr. Wayne Leimbach    


Cardiac Surgeons

Dr. Michael Phillips Dr. Allen Cheng Dr. Ajit Tharakan  


Valve & Structural Heart Center Coordinator

Georgianne Tokarchik, APRN-CNS      



History of TAVR & TMVR (MitraClip) at Oklahoma Heart Institute

  • First TAVR in Tulsa
  May 2, 2012
  • First Transapical TAVR in Tulsa
  November 13, 2012
  • First Transaortic TAVR in Tulsa
  June 4, 2013
  • First Valve-in-Valve TAVR in OK
  November 26, 2013
  • First Commercial CoreValve TAVR in OK
  February 21, 2014
  • First TAVR without General Anesthesia in OK
  February 21, 2014
  • First Left Subclavian TAVR in OK
  March 25, 2014
  • First TransCaval TAVR in OK
  September 23, 2014
  • First Commercial MitraClip in OK
  November 18, 2014


Additional Information: