Zsuzsanna Hortobagyi McMahan MD
Assistant Professor of Medicine, Johns Hopkins University School of Medicine
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6410 Fannin StSte 450Houston, TX 77030
Phone+1 713-486-3100
Fax+1 713-500-0580
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Education & Training
Johns Hopkins UniversityFellowship, Rheumatology, 2009 - 2012
University of Texas Southwestern Medical CenterResidency, Internal Medicine, 2006 - 2009
McGovern Medical School at UTHealthClass of 2006
Certifications & Licensure
TX State Medical License 2008 - 2027
MD State Medical License 2012 - 2023
NC State Medical License 2020 - 2022
PA State Medical License 2020 - 2022
American Board of Internal Medicine Rheumatology
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 2 Certification Beacon Oncology 2014 Certified Module, Epic Systems Corporation, 2014, 2016-2017
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory - Core EMR, Epic Systems Corporation, 2014, 2016-2017
- CMS Meaningful Use Stage 2 Certification EpicCare Ambulatory 2014 Certified EHR Suite, Epic Systems Corporation, 2014, 2016-2017
Publications & Presentations
PubMed
- An epidemiological study estimating the burden of cancer risk in patients with Raynaud's phenomenon.Michael Hughes, Edward Jude, Zsuzsanna H McMahan, Uazman Alam, Barbara Ruaro
Clinical Rheumatology. 2026-03-01 - Association of Type III and Type VI Collagen Neoepitopes With Disease Severity in Systemic Sclerosis.Ali Y Ayla, Elana J Bernstein, Meng Zhang, John M VanBuren, Flavia V Castelino
The Journal of Rheumatology. 2026-02-15 - Advancing drug development for systemic sclerosis by prioritising findings from human genetic association studies.Michael Hughes, Zsuzsanna H McMahan, Shervin Assassai, Christopher P Denton, Rui Providencia
Rheumatology. 2026-02-13
Journal Articles
- Anti‐RNPC3 (U11/U12) Antibodies in Systemic Sclerosis Are Associated with Moderate to Severe Gastrointestinal DysmotilityRobyn T Domsic, Ami A Shah, Thomas A Medsger, Zsuzsanna H McMahan, Arthritis Care & Research
Authored Content
- Pyridostigmine for the Treatment of Gastrointestinal Symptoms in Systemic SclerosisJanuary 2018
Press Mentions
Clinical Science Sessions Full of New GuidelinesOctober 27th, 2022- Scleroderma & the Gut: New Frontiers in Diagnosis & Tips on ManagementMay 12th, 2022
What Is Scleroderma? These Are the Signs You Could Have ItDecember 24th, 2019
Grant Support
- Interrogating the pathophysiological mechanisms of constipation in patients with systemic sclerosisUNIVERSITY OF TEXAS HLTH SCI CTR HOUSTON2023–2028
Other Languages
- Spanish, Hungarian
External Links
- Johns Hopkins Physicianshttp://www.hopkinsmedicine.org/zsuzsanna-mcmahan
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