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Photo of Dr. Laura Kathleen Hummers, M.D.

Laura Kathleen Hummers, M.D.

Assistant Professor
Associate Professor of Medicine


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
  • Associate Professor of Medicine

Centers & Institutes



Johns Hopkins Bayview Medical Center

Appointment Phone: 410-550-7715

5501 Hopkins Bayview Circle
Asthma and Allergy Center 1B.1
Baltimore, MD 21224 map
Phone: 410-550-7715
Fax: 410-550-1363


Rheumatology, Scleroderma

Research Interests

Scleromyxedema; Scleroderma


Laura Hummers is an Assistant Professor of Medicine in the Division of Rheumatology. She graduated from the University of Rochester School of Medicine and trained in internal medicine at Thomas Jefferson University. She then pursued her fheumatology fellowship at Johns Hopkins University and has since been on the faculty working at the Johns Hopkins Scleroderma Center since 2003 where she has been Co-Director of the Center along with Fredrick Wigley. She received her ScM degree through the Graduate Training Program in Clinical Investigation from the Bloomberg School of Public Health in 2010. Dr. Hummers serves as Deputy Director for Clinical Operations for the Division of Rheumatology.

Dr. Hummers actively participates in a number of clinical trials and clinical investigations at the Scleroderma Center and has a particular interest in predictors of vascular outcomes in scleroderma. She actively manages a large patient practice focused exclusively on scleroderma at Johns Hopkins and manages the Johns Hopkins Scleroderma Database. more

    Additional Information

  • Education +


    • University of Rochester / MD (1997)


    • Thomas Jefferson University Hospital / Internal Medicine (2000)


    • Johns Hopkins University School of Medicine / Rheumatology (2003)


    • American Board of Internal Medicine / Rheumatology (2003, 2015)
  • Research & Publications +

    Clinical Trial Keywords: Scleroderma, Scleromyxedema

    Selected Publications View all on PubMed

    1. Chung L, Domsic RT, Lingala B, Alkassab F, Bolster M, Csuka ME, Derk C, Fischer A, Frech T, Furst DE, Gomberg-Maitland M, Hinchcliff M, Hsu V, Hummers LK, Khanna D, Medsger TA Jr, Molitor JA, Preston IR, Schiopu E, Shapiro L, Silver R, Simms R, Varga J, Gordon JK, Steen VD. Survival and predictors of mortality in systemic sclerosis associated pulmonary arterial hypertension: Outcomes from the PHAROS registry. Arthritis Care Res (Hoboken). 2013 Aug 27. doi: 10.1002/acr.22121. [Epub ahead of print] PMID: 23983198
    2. Tedford RJ, Mudd JO, Girgis RE, Mathai SC, Zaiman AL, Housten-Harris T, Boyce D, Kelemen BW, Bacher AC, Shah AA, Hummers LK, Wigley FM, Russell SD, Saggar R, Saggar R, Maughan WL, Hassoun PM, Kass DA. Right ventricular dysfunction in systemic sclerosis-associated pulmonary arterial hypertension. Circ Heart Fail. 2013 Sep 1;6(5):953-63. PMID: 23797369
    3. Gelber AC, Manno RL, Shah AA, Woods A, Le EN, Boin F, Hummers LK, Wigley FM. Race and association with disease manifestations and mortality in scleroderma: a 20-year experience at the Johns Hopkins Scleroderma Center and review of the literature. Medicine (Baltimore). 2013 Jul;92(4):191-205. doi: 10.1097/MD.0b013e31829be125. Review. PMID: 23793108
    4. Shah AA, Schiopu E, Hummers LK, Wade M, Phillips K, Anderson C, Wise R, Boin F, Seibold JR, Wigley F, Rollins KD. Open label study of escalating doses of oral treprostinil diethanolamine in patients with systemic sclerosis and digital ischemia: pharmacokinetics and correlation with digital perfusion. Arthritis Res Ther. 2013 Apr 18;15(2):R54. [Epub ahead of print] PMID: 23597147
    5. Dezern AE, Styler MJ, Drachman DB, Hummers LK, Jones RJ, Brodsky RA. Repeated treatment with high dose cyclophosphamide for severe autoimmune diseases. Am J Blood Res. 2013;3(1):84-90. Epub 2013 Jan 17. PMID: 23358715
    6. Hummers LK, Dugowson CE, Dechow FJ, Wise RA, Gregory J, Michalek J, Yenokyan G, McGready J, Wigley FM. A multi-centre, blinded, randomised, placebo-controlled, laboratory-based study of MQX-503, a novel topical gel formulation of nitroglycerine, in patients with Raynaud phenomenon. Ann Rheum Dis. 2013 Dec 1;72(12):1962-7. doi: 10.1136/annrheumdis-2012-201536. Epub 2012 Dec 25. PMID: 23268365
    7. McMahan ZH, Hummers LK. Systemic sclerosis--challenges for clinical practice. Nat Rev Rheumatol. 2013 Feb;9(2):90-100. doi: 10.1038/nrrheum.2012.191. Epub 2012 Nov 13. Review. PMID: 23147899
    8. Shah AA, Chung SE, Wigley FM, Wise RA, Hummers LK. Changes in estimated right ventricular systolic pressure predict mortality and pulmonary hypertension in a cohort of scleroderma patients. Ann Rheum Dis. 2013 Jul;72(7):1136-40. doi: 10.1136/annrheumdis-2012-201861. Epub 2012 Aug 11. PMID: 22887850
    9. Cheadle C, Berger AE, Mathai SC, Grigoryev DN, Watkins TN, Sugawara Y, Barkataki S, Fan J, Boorgula M, Hummers L, Zaiman AL, Girgis R, McDevitt MA, Johns RA, Wigley F, Barnes KC, Hassoun PM. Erythroid-specific transcriptional changes in PBMCs from pulmonary hypertension patients. PLoS One. 2012;7(4):e34951. doi: 10.1371/journal.pone.0034951. Epub 2012 Apr 24. PMID: 22545094
    10. Sharif R, Mayes MD, Tan FK, Gorlova OY, Hummers LK, Shah AA, Furst DE, Khanna D, Martin J, Bossini-Castillo L, Gonzalez EB, Ying J, Draeger HT, Agarwal SK, Reveille JD, Arnett FC, Wigley FM, Assassi S. IRF5 polymorphism predicts prognosis in patients with systemic sclerosis. Ann Rheum Dis. 2012 Jul;71(7):1197-202. doi: 10.1136/annrheumdis-2011-200901. Epub 2012 Mar 22. PMID: 22440820
  • Academic Affiliations & Courses +
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