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Office
3433 Nw 56th St
Ste 400
Oklahoma City, OK 73112Phone+1 405-947-3341
Education & Training
- Washington University/B-JH/SLCH ConsortiumFellowship, Interventional Cardiology, 2003 - 2004
- Washington University/B-JH/SLCH ConsortiumFellowship, Cardiovascular Disease, 2000 - 2003
- University of Alabama Medical CenterResidency, Internal Medicine, 1997 - 2000
- University of Oklahoma College of MedicineClass of 1997
Certifications & Licensure
- MO State Medical License 2000 - 2025
- OK State Medical License 2004 - 2025
- AL State Medical License 1998 - 2001
- American Board of Internal Medicine Cardiovascular Disease
- American Board of Internal Medicine Interventional Cardiology
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification Allscripts Enterprise EHR, Allscripts, 2012-2013
- Fellow (FACC) American College of Cardiology
Clinical Trials
- A Pivotal Trial to Establish the Efficacy and Long-term Safety of the Parachute Implant System Start of enrollment: 2012 Dec 01
- WATCH-TAVR, WATCHMAN for Patients With Atrial Fibrillation Undergoing Transcatheter Aortic Valve Replacement Start of enrollment: 2017 Dec 15
- ACURATE IDE: Safety and Effectiveness Study of ACURATE Valve for Transcatheter Aortic Valve Replacement Start of enrollment: 2019 Jun 10
Roles: Contact, Principal Investigator
Publications & Presentations
PubMed
- 110 citationsContinuum of Vasodilator Stress From Rest to Contrast Medium to Adenosine Hyperemia for Fractional Flow Reserve AssessmentNils P. Johnson, Allen Jeremias, Frederik M. Zimmermann, Julien Adjedj, Nils Witt
JACC. Cardiovascular Interventions. 2016-04-25 - 44 citationsPredictive factors of discordance between the instantaneous wave-free ratio and fractional flow reserve.François Derimay, Nils P. Johnson, Frederik M. Zimmermann, J. Adjedj, Nils Witt
Catheterization and Cardiovascular Interventions. 2019-09-01 - 3 citationsThe Debate Over Egg Consumption and Incident Cardiovascular Disease.Steven G. Chrysant, George S. Chrysant
Cardiology in Review. 2021-09-01
Professional Memberships
- Member
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