
John Joseph Mahmarian MD
Adult Congenital Heart Disease
Professor, Cardiology, Weill Cornell Medical College of Cornell University
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6550 Fannin StSte 1901Houston, TX 77030
Phone+1 713-441-1100
Fax+1 713-790-2643
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Education & Training
- Baylor College of MedicineFellowship, Cardiovascular Disease, 1983 - 1986
- Baylor College of MedicineResidency, Internal Medicine, 1980 - 1983
- New York Medical CollegeClass of 1980
Certifications & Licensure
- TX State Medical License 1981 - 2025
- American Board of Internal Medicine Internal Medicine
- American Board of Internal Medicine Cardiovascular Disease
Awards, Honors, & Recognition
- Regional Top Doctor Castle Connolly, 2014
- Heart/Stroke Recognition Program National Committee for Quality Assurance, 2013-2016
- Fellow (FACC) American College of Cardiology
Clinical Trials
- Reducing Radioisotope Dose: the Half-Dose CZT Study Start of enrollment: 2012 Jan 01
Publications & Presentations
PubMed
- The Impact of Obesity on Myocardial Flow Reserve and Its Prognostic Utility.Mahmoud Al Rifai, Maria Alwan, Ahmed Ibrahim Ahmed, Faisal Nabi, Ahmed Soliman
Journal of Nuclear Cardiology. 2025-03-22 - 5 citationsCoronary microvascular health in symptomatic patients with prior COVID-19 infection: an updated analysis.Ahmed Ibrahim Ahmed, Mahmoud Al Rifai, Fares Alahdab, Jean Michel Saad, Yushui Han
European Heart Journal. Cardiovascular Imaging. 2023-10-27 - Temporal trends in the use of cardiac computerized tomography angiography and transesophageal echocardiography for left atrial appendage thrombus detection.Malek Nayfeh, Ahmed Ibrahim Ahmed, Mahmoud Al Rifai, Fares Alahdab, Sherif F Nagueh
Journal of Cardiovascular Computed Tomography. 2023-04-13
Press Mentions
- 6 Trends in Cardiac Nuclear Imaging at the ASNC 2019 MeetingNovember 22nd, 2019
- Appropriate Use CriteriaMarch 1st, 2019
- Radiation Safety in Nuclear Cardiology—Current Knowledge and Practice: Results from the 2011 American Society of Nuclear Cardiology Member SurveyJune 10th, 2013
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Professional Memberships
- Fellow
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