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C. John Sperati, MD MHS

Christopher John Sperati, MD MHS
Associate Program Director, Osler Medical Residency Program
Assistant Professor of Medicine
Appointment Phone


Main Location

The Johns Hopkins Hospital

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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 +1-410-502-0773 (7a.m. to 6p.m., EST, Mon-Fri)

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  • Associate Program Director, Osler Medical Residency Program
  • Assistant Professor of Medicine

Centers & Institutes

  • Johns Hopkins Hypertension Center


Atherosclerotic Renovascular Disease, Atypical Hemolytic Uremic Syndrome (aHUS), Electrolyte Disorders, Fibrous Dysplasia, Glomerulonephritis, Hyperaldosteronism, Hypertension, Nephrology, Renal Artery Disease

Research Interests

Fibromuscular Dysplasia


  • English
Additional Resources +
  • Education +


    • Pennsylvania State University College of Medicine ( Hershey PA ) (2000)


    • The Johns Hopkins Hospital/Medicine ( Baltimore MD ) (2003)


    • The Johns Hopkins Hospital/Nephrology ( Baltimore MD ) (2007)
    • The Johns Hopkins Hospital/Nephrology ( Baltimore MD ) (2004)


    • Nephrology, American Board of Internal Medicine (2007)
    • Internal Medicine, American Board of Internal Medicine (2003)
  • Research & Publications +

    Selected Publications

    1. Amir A Naderi; Brian A Houston; C John Sperati; All wrapped up and nowhere to flow. The American journal of medicine 2012;125(9):876-9. 2012 
    2. Elizabeth George; Girish N Nadkarni; Michelle M Estrella; Gregory M Lucas; C John Sperati; Mohamed G Atta; Derek M Fine; The impact of hepatitis C coinfection on kidney disease related to human immunodeficiency virus (HIV): a biopsy study. Medicine 2011;90(5):289-95. 2011 
    3. C John Sperati; Michael B Streiff; Acute renal failure in a patient with antiphospholipid syndrome and immune thrombocytopenic purpura treated with eltrombopag. American journal of hematology 2010;85(9):724-6. 2010 
    4. C John Sperati; Nada Alachkar; Ronald Rodriguez; Mark Haas; Michael J Choi; Incidental discovery of a renal cell carcinoma on native kidney biopsy. American journal of kidney diseases : the official journal of the National Kidney Foundation 2010;56(1):175-80. 2010 
    5. Michelle M Estrella; Chistopher J Sperati; Wen H L Kao; Rulan S Parekh; Genetic epidemiology of chronic kidney disease. Current opinion in nephrology and hypertension 2010;19(3):283-91. 2010 
    6. Joshua F Zeidner; Edwin J Ostrin; Emily Sydnor; Derek Fine; C John Sperati; The tissue's the issue. The American journal of medicine 2010;123(5):420-2. 2010 
    7. Sayed Tabatabai; C John Sperati; Mohamed G Atta; Kashif Janjua; Christopher Roxbury; Gregory M Lucas; Derek M Fine; Predictors of complication after percutaneous ultrasound-guided kidney biopsy in HIV-infected individuals: possible role of hepatitis C and HIV co-infection. Clinical journal of the American Society of Nephrology : CJASN 2009;4(11):1766-73. 2009 
    8. C John Sperati; Rulan S Parekh; Yvette Berthier-Schaad; Bernard G Jaar; Laura Plantinga; Nancy Fink; Neil R Powe; Michael W Smith; Josef Coresh; W H Linda Kao; Association of single-nucleotide polymorphisms in JAK3, STAT4, and STAT6 with new cardiovascular events in incident dialysis patients. American journal of kidney diseases : the official journal of the National Kidney Foundation 2009;53(5):845-55. 2009 
    9. C John Sperati; Nisha Aggarwal; Aravind Arepally; Mohamed G Atta; Fibromuscular dysplasia. Kidney international 2009;75(3):333-6. 2009 
    10. Priscilla K Brastianos; Jordan W Swanson; Michael Torbenson; John Sperati; Petros C Karakousis; Tuberculosis-associated haemophagocytic syndrome. The Lancet infectious diseases 2006;6(7):447-54. 2006 
    11. C D Collard; A Väkevä; C Büküsoglu; G Zünd; C J Sperati; S P Colgan; G L Stahl; Reoxygenation of hypoxic human umbilical vein endothelial cells activates the classic complement pathway. Circulation 1997;96(1):326-33. 1997 
  • Academic Affiliations & Courses +
  • Activities & Honors +
  • Videos & Media +
  • Upcoming Events +
  • Contact & Locations +


    The Johns Hopkins Hospital
    600 N. Wolfe Street
    1830 E Monument St Room Rm 416
    Baltimore, MD 21287
    Phone: 410-955-5268
    Appointment Phone: 410-955-0670
    Fax: 410-955-0485
    Location Map
    Johns Hopkins Outpatient Center
    601 N. Caroline Street
    Baltimore, MD 21287
    Appointment Phone: 410-955-0670
    Location Map


    • Medicine - Nephrology

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