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Photo of Dr. Christopher Sperati

C. John Sperati, M.D.

Christopher John Sperati, M.D.
Associate Program Director, Osler Medical Residency Program
Assistant Professor of Medicine


Appointment Phone


Main Location

The Johns Hopkins Hospital

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 »


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

Centers & Institutes



Johns Hopkins Outpatient Center

Appointment Phone: 410-955-0670

601 N. Caroline Street
Baltimore, MD 21287 map

The Johns Hopkins Hospital

Appointment Phone: 410-955-0670

600 N. Wolfe Street
Sheikh Zayed Tower Suite 416
Baltimore, MD 21287 map
Phone: 410-955-5268
Fax: 410-955-0485

Contact for Research Inquiries

1830 E Monument St, Rm 416
Baltimore, MD 21205 map


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

Research Interests

Fibromuscular Dysplasia; Thrombotic microangiopathy; Atypical hemolytic uremic syndrome

    Additional Information

  • Education +
    • B.A., Juniata College (Pennsylvania) (1995)
    • M.D., Pennsylvania State University - College of Medicine - Hershey (Pennsylvania) (2000)
  • 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 +
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