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Photo of Dr. Philip Seo

Philip Seo, M.D.

Director, Johns Hopkins Rheumatology Fellowship Program
Associate Professor of Medicine
Specializes In: Adolescents (12-18 years), Adults (18+ years)

Male  | Languages: English, French, 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 »


  • Director, Johns Hopkins Rheumatology Fellowship Program
  • Director, The Johns Hopkins Vasculitis Center
  • Associate Professor of Medicine

Centers & Institutes



Johns Hopkins Bayview Medical Center

Appointment Phone: 443-997-1552

5501 Hopkins Bayview Circle
Asthma and Allergy Center
Baltimore, MD 21224 map
Phone: 410-550-6825


Giant Cell Arteritis, Polyarteritis Nodosa, Rheumatology, Takayasu's Arteritis, Vasculitis

Research Interests

Wegener's Granulomatosis, Microscopic polyargiitis, Churg-Strauss syndrome, Talcayasu's arteritis


Dr. Philip Seo is an Associate Professor in the Division of Rheumatology. A graduate of Harvard College and the College of Physicians and Surgeons at Columbia University, Dr. Seo completed his Internal Medicine training as a member of the Osler Medical Service at the Johns Hopkins Hospital. Since then, he has worked at Johns Hopkins in several capacities, including as a hospitalist at Johns Hopkins Bayview Medical Center, and as an Assistant Chief of Service of the Department of Medicine at the Johns Hopkins Hospital, before joining the Division of Rheumatology.

Dr. Seo is the Director of the Johns Hopkins Vasculitis Center and Director of the Johns Hopkins Rheumatology Fellowship Program.  His clinical interests lie in the assessment and treatment of patients with systemic vasculitis, in particular, the ANCA-associated vasculitides, which include granulomatosis with polyangiitis, microscopic polyangiitis, and eosinophilic granulomatosis with polyangiitis. more

    Additional Information

  • Education +


    • Columbia University College of Physicians and Surgeons / MD (1997)


    • Johns Hopkins University School of Medicine / Internal Medicine (2000)


    • Johns Hopkins University School of Medicine / Rheumatology (2004)


    • American Board of Internal Medicine / Internal Medicine (2000, 2011)
    • American Board of Internal Medicine / Rheumatology (2004, 2014)
  • Research & Publications +

    Research Summary

    His research interests are the assessment and treatment of ANCA-associated vasculitides, including Churg Strauss Syndrome, Wegener’s Granulomatosis, and Microscopic Polyangiitis.

    Clinical Trial Keywords: Ritoximob for ANCA-associated Vasculitis, Pexivas, CTLA4 Ig

    Selected Publications View all on PubMed

    1. Malm IJ, Mener DJ, Kim J, Seo P, Kim YJ. Otolaryngological Progression of Granulomatosis with Polyangiitis after Systemic Treatment with Rituximab. Otolaryngol Head Neck Surg. 2013 Oct 23. [Epub ahead of print] PMID: 24154746
    2. Grayson PC, Cuthbertson D, Carette S, Hoffman GS, Khalidi NA, Koening CL, Langford CA, Maksimowicz-McKinnon K, Monach PA, Seo P, Specks U, Ytterberg SR, Merkel PA; New features of disease after diagnosis in 6 forms of systemic vasculitis. Vasculitis Clinical Research Consortium. J Rheumatol. 2013 Nov;40(11):1905-12. doi: 10.3899/jrheum.121473. Epub 2013 Aug 1. PMID: 23908447 [PubMed - in process]
    3. Wilfong EM, Seo P. Vasculitis in the intensive care unit. Best Pract Res Clin Rheumatol. 2013 Feb;27(1):95-106. doi: 10.1016/j.berh.2013.01.002. Review. PMID: 23507060
    4. Malik MU, Pandian V, Masood H, Diaz DA, Varela V, Dávalos-Balderas AJ, Parra-Cardenas M, Seo P, Francis HW. Spectrum of immune-mediated inner ear disease and cochlear implant results. Laryngoscope. 2012 Nov;122(11):2557-62. doi: 10.1002/lary.23604. Epub 2012 Sep 18. PMID: 22991211
    5. Geetha D, Seo P. Advances in therapy for ANCA-associated vasculitis. Curr Rheumatol Rep. 2012 Dec;14(6):509-15. doi: 10.1007/s11926-012-0284-0. Review. PMID: 22895899
    6. Geetha D, Seo P, Ellis C, Kuperman M, Levine SM. Persistent or new onset microscopic hematuria in patients with small vessel vasculitis in remission: findings on renal biopsy. J Rheumatol. 2012 Jul;39(7):1413-7. doi: 10.3899/jrheum.111608. Epub 2012 Jun 1. PMID: 22660803
  • Academic Affiliations & Courses +
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