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Office
3901 Rainbow Blvd
Kansas City, KS 66160Phone+1 913-588-6045Fax+1 913-588-4098
Education & Training
- University of Kansas School of MedicineFellowship, Pulmonary Disease and Critical Care Medicine, 1999 - 2002
- University of Kansas School of MedicineResidency, Internal Medicine/Pediatrics, 1995 - 1999
- University of Kansas School of MedicineClass of 1995
Certifications & Licensure
- CA State Medical License 2002 - Present
- KS State Medical License 1997 - 2025
- MO State Medical License 2022 - 2025
- American Board of Internal Medicine Critical Care Medicine
- American Board of Internal Medicine Pulmonary Disease
Awards, Honors, & Recognition
- Patient-Centered Specialty Practice Recognition Program National Committee for Quality Assurance, 2014-2017
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2012-2013
Clinical Trials
- Effects of the Combination of Bosentan and Sildenafil Versus Sildenafil Monotherapy on Pulmonary Arterial Hypertension (PAH) Start of enrollment: 2006 May 01
- Selexipag (ACT-293987) in Pulmonary Arterial Hypertension Start of enrollment: 2009 Dec 01
- Pulmonary Hypertension Association Registry Start of enrollment: 2015 Oct 01
Roles: Principal Investigator, Contact
Publications & Presentations
PubMed
- 5 citationsMacitentan for the treatment of pulmonary arterial hypertension.Leslie Spikes, Timothy Williamson, Lewis Satterwhite
Drugs of Today. 2014-06-01 - 68 citationsThe perioperative management of an inferior vena caval tumor thrombus in patients with renal cell carcinomaDaniel Y. Woodruff, Peter J. Van Veldhuizen, Gregory Muehlebach, Phillip Johnson, Timothy Williamson
Urologic Oncology. 2013-07-01
Professional Memberships
- Member
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