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Photo of Dr. Bernard Jaar

Bernard Georges Jaar, M.D.

Assistant Professor of Medicine

Male  | Languages: English, French

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)

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  • Assistant Professor of Medicine

Centers & Institutes



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

Johns Hopkins Outpatient Center

Appointment Phone: 410-955-0670

601 N. Caroline Street
Baltimore, MD 21287 map


Chronic Renal Failure, Nephrology

Research Interests

Epidemiology of Chronic Kidney Disease, survival in dialysis patients, peripheral vascular disease, lead nephropathy

    Additional Information

  • Education +


    • Faculte De Medecine Et De Pharmacie / MD (1987)


    • Tenon Hospital / Nephrology (1992)
    • Graduate Hospital / Internal Medicine (2000)


    • UFR de Medecine Saint-Antoine (1993)
    • Johns Hopkins Bloomberg School of Public Health / Epidemiology (1997)
    • Johns Hopkins University School of Medicine / Nephrology (2002)


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

    Research Summary

    Dr. Jaar is interested in the conduct of epidemiologic studies in the field of end-stage renal disease and its related complications. His personal research interest is currently focused on outcome studies of peripheral arterial disease (PAD) in end-stage renal disease (ESRD) patients and morbidity and mortality of ESRD patients by dialysis modality. In addition to leading the Cardiovascular Endpoint Committee of the CHOICE study, he is involved in several research projects within the Division of Nephrology and also at the Welch Center for Prevention, Epidemiology and Clinical Research, and the Department of Environmental Health at the School of Public Health.

    Selected Publications

    Most Recent Peer-Reviewed Articles

    Plantinga L, Jaar B, Astor B, Fink N, Eustace J, Klag M, Powe N
    Association of Clinic Vascular Access Monitoring Practices with Clinical Outcomes in Hemodialysis Patients.
    Nephron Clinical Practice 2006; 104 (4): c151-c159

    Ekong EB, Jaar BG, Weaver VM
    Lead-related Nephrotoxicity: A Review of the Epidemiologic Evidence.
    Kidney International 2006; 70 (12): 2074-2084

    Plantinga LC, Fink NE, Jaar BG, Sadler JH, Levin NW, Coresh J, Klag MJ, Powe NR
    Attainment of clinical performance targets and improvement in clinical outcomes and resource use in hemodialysis care: a prospective cohort study.
    BMC Health Service Research 2007; 7 (1): 5

    Plantinga LC, Fink NE, Jaar BG, Huang IC, Wu AW, Meyer KB, Powe NR
    Relation between level or change of hemoglobin and generic and disease-specific quality of life measures in hemodialysis.
    Quality of Life Research 2007; 16 (5): 755-765

    Jaar BG, Plantinga LC, Astor BC, Fink NE, Longenecker C, Tracy RP, Marcovina SM, Powe NR, Coresh J
    Novel and Traditional Cardiovascular Risk Factors for Peripheral Arterial Disease in Incident Dialysis Patients
    Advances in Chronic Kidney Disease 2007; 14 (3): 304-313

    Plantinga LC, Fink NE, Levin NW, Jaar BG, Coresh J, Levey AS, Klag MJ, Powe NR
    Early, intermediate, and long-term risk factors for mortality in incident dialysis patients: the Choices for Healthy Outcomes in Caring for ESRD (CHOICE) Study.
    American Journal of Kidney Disease 2007; 49 (6): 831-840

    Jaar BG, Khatib R, Plantinga L, Boulware LE, Powe NR
    Principles of Screening for Chronic Kidney Disease
    Clinical Journal of the American Society of Nephrology 2008; 3: 601-609

    Melamed ML, Eustace JA, Plantinga LC, Jaar BG, Fink NE, Parekh RS, Coresh J, Yang Z, Cantor T, Powe NR
    Third-Generation Parathyroid Hormone Assays and All-Cause Mortality in Incident Dialysis Patients: The CHOICE Study
    Nephrology Dialysis Transplantation 2008; 23 (5): 1650-1658

    Plantinga LC, Fink NE, Melamed ML, Briggs WA, Powe NR, Jaar BG
    Serum Phosphate Levels and Risk of Infection in Incident Dialysis Patients.
    Clinical Journal of the American Society of Nephrology 2008; 3 (5): 1398-1406

    Kazory A, Racusen LC, Berliner AR, Gimenez LF, Jaar BG
    Mycophenolate Mofetil as a Possible Therapeutic Option for Idiopathic Membranoproliferative Glomerulonephritis
    Nephrology Dialysis Transplantation Plus 2008; 1: 466 - 468

    Parekh RS, Meoni LA, Kao WHL, Plantinga LC, Jaar BG, Fink NE, Powe NR, Coresh J, Klag MJ
    Incidence of Sudden Cardiac Death and the Association of Inflammation and Other Traditional Risk Factors: CHOICE Study
    Kidney International 2008; 74 (10): 1335-1342

    Crews D, Jaar BG
    Practice Point: Racial Differences in Chronic Kidney Disease Incidence and Progression Among Individuals with HIV Nature Clinical Practice Nephrology 2008; 4 (12): 652-653

    Weaver VM, Griswold M, Todd AC, Jaar BG, Ahn KD, Thompson CB, Lee BK
    Longitudinal associations between lead dose and renal function in lead workers
    Environmental Research 2009; 109 (1): 101-107

    Plantinga LC, Fink NE, Finkelstein FO, Powe NR, Jaar BG
    Association of Peritoneal Dialysis Clinic Size with Clinical Outcomes
    Peritoneal Dialysis International 2009; 29: in press

    Charles RF, Powe NR, Jaar BG, Troll MU, Parekh RS, Boulware LE
    Clinical testing patterns and cost implications of variation in the evaluation of chronic kidney disease among U.S. physicians American Journal of Kidney Disease 2009; in press

    Sperati CJ, Parekh RS, Berthier-Schaad Y, Jaar BG, Plantinga L, Fink N, Powe N, Smith MW, Coresh J, Kao WHL
    Association of single nucleotide polymorphisms in JAK3, STAT4, and STAT6 with new cardiovascular events in incident dialysis patients
    American Journal of Kidney Disease 2009; 53 (5): 845-855

    Sozio SM, MD, Armstrong PA, Coresh J, Jaar BG, Fink NE, Plantinga LC, Powe NR, Parekh RS
    Cerebrovascular Disease Incidence, Characteristics, and Outcomes in Patients Initiating Dialysis: The CHOICE Study
    American Journal of Kidney Disease 2009; in press

    Jaar BG, Plantinga LC, Crews DC, Fink NE, Hebah N, Coresh J, Kliger AS, Powe NR
    Timing, Causes, Predictors and Prognosis of Switching from Peritoneal Dialysis to Hemodialysis: A Prospective Study BMC Nephrology 2009; 10 (1): 3

    Abougergi M, Broor A, Cui W, Jaar BG
    Intravenous Immunoglobulin for the Treatment of Severe Clostridium Difficile Colitis: An Observational Study and Review of the Literature
    Journal of Hospital Medicine 2009; in press

    Plantinga LC, Jaar BG
    Commentary: Preventing repeat hospitalizations in dialysis patients: a call for action
    Kidney International 2009; in press

  • Academic Affiliations & Courses +
  • Activities & Honors +


    • Valedictorian, School of Medicine and Pharmacy,, State University of Haiti, 1987
    • The Boehringer Mannheim Prize, 1992
    • Valedictorian, Necker School of Medicine,, University of Paris V, 1992
    • The Victoria Prize, 1999
    • Ruth L. Kirschstein National Research Service Award to train in Renal Disease Epidemiology, National Institute of Diabetes, Digestive and Kidney Diseases, 2001 - 2003
    • Physician's Recognition Award certificate with commendation (AMA PRA), AMA, 2003 - 2009
    • Richard Ross Clinician Scientist Award, Johns Hopkins University - School of Medicine., 2003 - 2004
    • Junior Faculty Clinical Research Award. Department of Medicine Johns Hopkins University School of Medicine for the project entitle: Dialysis Modality and Mortality in a National Cohort: The CHOICE Study, 2004
    • Fellow, American Society of Nephrology, 2005
    • Associate Faculty Member, Welch Center for Prevention, Epidemiology and Clinical Research Johns Hopkins Medical Institutions, 2008


    • American College of Physicians
    • American Medical Association
    • American Society of Nephrology
    • International Society of Nephrology
    • National Kidney Foundation
  • Videos & Media +
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