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Zsuzsanna McMahan, M.D., M.H.S.

Zsuzsanna Hortobagyi McMahan, M.D., M.H.S.
Assistant Professor of Medicine

Female  | Languages: English, Hungarian, Spanish

Appointment Phone


Main Location

Johns Hopkins Bayview Medical Center

Out-of-State & International Patients +
Out of State Patients

Call 410-464-6641 (8a.m. to 6p.m., EST, Mon-Fri)

Learn more about our out-of-state patient services »

International Patients

Call +1-410-502-7683 (7a.m. to 6p.m., EST, Mon-Fri)

Learn more about our international patient services »


  • Assistant Professor of Medicine

Centers & Institutes



Johns Hopkins Bayview Medical Center

Appointment Phone: 410-550-7715

5200 Eastern Avenue
Mason F. Lord Building
Baltimore, MD 21224 map

Johns Hopkins Bayview Medical Center

Appointment Phone: 410-550-7715

5501 Hopkins Bayview Circle
Asthma and Allergy Center
Baltimore, MD 21224 map
Phone: 410-550-7715
Fax: 410-550-1363


Rheumatology, Scleroderma


Upon completing her fellowship in June 2012, Dr. McMahan joined the Johns Hopkins Scleroderma Center as full-time faculty and she currently focuses the on conducting translational research and caring for patients with scleroderma.  Dr. McMahan’s research focuses specifically on novel antigen identification in scleroderma and defining the target tissue in this disease. more

    Additional Information

  • Education +


    • University of Texas Medical School at Houston / MD (2006)


    • University of Texas Southwestern Medical School / Internal Medicine (2009)


    • Johns Hopkins University School of Medicine / Rheumatology (2012)


    • American Board of Internal Medicine / Internal Medicine (2009)
    • American Board of Internal Medicine / Rheumatology (2012)
  • Research & Publications +

    Selected Publications

  • Academic Affiliations & Courses +
  • Activities & Honors +


    • American College of Rheumatology


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      Dr. McMahan has been actively involved in the ACR since 2009.  She served on the ACR Fellow’s Subcommittee (FSC) from 2009-2011, during which time she was the Fellow Representative on the Annual Meeting Planning Committee (AMPC) and developed the ACR Knowledge Bowl. She was invited to return as a full member of the AMPC for 2012-2014.  Dr. McMahan was also chair of the FSC from 2011-2012. During her time in this position she served on the ACR Committee on Workforce and Training.  Dr. McMahan was also an active participant on the ACR 2020 Task Force (2011) and participated in the development of the ACR Strategic Plan (2013). She was subsequently invited to join the ACR Board of Directors in 2013 as the young member representative.

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  • Videos & Media +
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