
Overview
Dr. Bernard Jaar is an associate professor of medicine at the Johns Hopkins University School of Medicine. He holds a joint appointment in epidemiology at the Johns Hopkins Bloomberg School of Public Health. His areas of clinical expertise include chronic kidney disease and all dialysis modalities. Dr. Jaar earned his M.D. from Faculte de Medecine et de Pharmacie of the State University of Haiti. He completed nephrology training at Hopitaux de Paris (Hopital Tenon, Hopital Saint Antoine, Hopital Saint Louis) University of Paris V, France. He subsequently completed an internal medicine residency at Graduate Hospital in Philadelphia and a nephrology fellowship at the Johns Hopkins Hospital, in addition to a post-doctoral fellowship in Epidemiology and a Master in Public Health at the Johns Hopkins Bloomberg School of Public Health. His research interests include epidemiology of chronic kidney disease and end-stage kidney disease, particularly survival in dialysis patients, peripheral arterial disease and environmental risk factors for kidney disease. Dr. Jaar was recognized with the C. Lockard Conley Award 2021 by the American College of Physician Maryland Chapter for contributions to resident education / research and the National Kidney Foundation Garabed Eknoyan Award 2022 for promoting the mission of NKF in making the lives of people with kidney disease better. He is a member of several professional organizations, including the International Society of Nephrology, American Society of Nephrology, National Kidney Foundation, American College of Physicians and the International Society of Peritoneal dialysis.
Dr. Jaar is highly rated in 8 conditions, according to our data. His top areas of expertise are Chronic Kidney Disease, End-Stage Renal Disease (ESRD), Calcinosis, Low Potassium Level, and Kidney Transplant.
His clinical research consists of co-authoring 208 peer reviewed articles. MediFind looks at clinical research from the past 15 years.
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Locations
301 Mason Lord Drive, Suite 3400, Suite 3400, Baltimore, MD 21224
10751 Falls Road, Falls Concourse STE 408/412, Lutherville, MD 21093
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Gregory Germino is a Nephrologist in Baltimore, Maryland. Dr. Germino is highly rated in 3 conditions, according to our data. His top areas of expertise are Polycystic Kidney Disease, Autosomal Recessive Polycystic Kidney Disease, and Autosomal Dominant Polycystic Kidney Disease.
University Of Maryland Physicians PA
Matthew Weir is a Nephrologist in Baltimore, Maryland. Dr. Weir is highly rated in 11 conditions, according to our data. His top areas of expertise are High Potassium Level, Chronic Kidney Disease, End-Stage Renal Disease (ESRD), Kidney Transplant, and Nephrectomy. Dr. Weir is currently accepting new patients.
Johns Hopkins Outpatient Center
Daniel C. Brennan, M.D., joins the Johns Hopkins Division of Renal Medicine as professor of nephrology and medical director of the Comprehensive Transplant Center. Dr. Brennan’s areas of clinical expertise include transplant nephrology and renal disease. Prior to joining Johns Hopkins, Dr. Brennan was the Alan A. and Edith L. Wolff Professor of renal Diseases at Washington University and the Director of Transplant Nephrology at the Washington University School of Medicine. He received his undergraduate degree from Cornell College and earned his medical degree at the University of Iowa, where he completed a residency in internal medicine. He then completed research and clinical nephrology fellowships at Brigham & Women’s Hospital/Harvard Medical School. Dr. Brennan holds professional memberships at various organizations, including the American College of Physicians, the International Society of Nephrology, the American Society of Nephrology, The Transplantation Society, the American Society of Transplant Physicians and the American Society of Clinical Investigation. Dr. Brennan is highly rated in 11 conditions, according to our data. His top areas of expertise are Chronic Kidney Disease, Cytomegalovirus Infection, Cytomegalic Inclusion Disease, Kidney Transplant, and Pancreas Transplant.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Elite
- Chronic Kidney DiseaseDr. Jaar isElite. Learn about Chronic Kidney Disease.
- Distinguished
- End-Stage Renal Disease (ESRD)Dr. Jaar isDistinguished. Learn about End-Stage Renal Disease (ESRD).
- Advanced
- Acute Kidney FailureDr. Jaar isAdvanced. Learn about Acute Kidney Failure.
- CalcinosisDr. Jaar isAdvanced. Learn about Calcinosis.
- IgA NephropathyDr. Jaar isAdvanced. Learn about IgA Nephropathy.
- Low Potassium LevelDr. Jaar isAdvanced. Learn about Low Potassium Level.
- NephrosclerosisDr. Jaar isAdvanced. Learn about Nephrosclerosis.
- Renovascular HypertensionDr. Jaar isAdvanced. Learn about Renovascular Hypertension.
- Experienced
- Childhood Hypophosphatasia (HPP)Dr. Jaar isExperienced. Learn about Childhood Hypophosphatasia (HPP).
- Diabetic NephropathyDr. Jaar isExperienced. Learn about Diabetic Nephropathy.
- Distal Renal Tubular AcidosisDr. Jaar isExperienced. Learn about Distal Renal Tubular Acidosis.
- High Potassium LevelDr. Jaar isExperienced. Learn about High Potassium Level.
- HypercalcemiaDr. Jaar isExperienced. Learn about Hypercalcemia.
- Hypophosphatasia (HPP)Dr. Jaar isExperienced. Learn about Hypophosphatasia (HPP).

