Dan C. Brennan
Elite in Chronic Kidney Disease

Dr. Dan C. Brennan

Nephrology
Johns Hopkins Medicine
Johns Hopkins Outpatient Center
601 North Caroline Street, Floor 4, Floor 4, 
Baltimore, MD 
Clinical Trials:Currently Recruiting for 1 Trial

Elite in Chronic Kidney Disease
Johns Hopkins Medicine
Johns Hopkins Outpatient Center
601 North Caroline Street, Floor 4, Floor 4, 
Baltimore, MD 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

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 rated as an Elite provider by MediFind in the treatment of Chronic Kidney Disease. His top areas of expertise are Chronic Kidney Disease, Cytomegalovirus Infection, Cytomegalic Inclusion Disease, Kidney Transplant, and Pancreas Transplant.

His clinical research consists of co-authoring 222 peer reviewed articles and participating in 8 clinical trials. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 53 articles in the study of Chronic Kidney Disease.

Residency
University of Iowa Hospitals and Clinics, Internal Medicine, 1988
Specialties
Nephrology
Licenses
Internal Medicine in MD
Board Certifications
American Board Of Internal Medicine
Fellowships
Brigham and Women's Hospital, Nephrology, 1992
Hospital Affiliations
The Johns Hopkins Hospital
Barnes Jewish Hospital
Luminis Health Anne Arundel Medical Center, Inc
Languages Spoken
English
Gender
Male

Insurance

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Aetna
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Locations

Johns Hopkins Outpatient Center
601 North Caroline Street, Floor 4, Floor 4, Baltimore, MD 21287
Call: 410-614-5700

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.


7 Clinical Trials

Multi-centric Observational Study to Analyse the Diagnostic Molecular Features in the Clinical Setting of Kidney Allograft Biopsies
Multi-centric Observational Study to Analyse the Diagnostic Molecular Features in the Clinical Setting of Kidney Allograft Biopsies
Enrollment Status: Recruiting
Publish Date: January 29, 2026
Evaluation of Patient Outcomes From the Kidney Allograft Outcomes AlloSure Registry
Evaluation of Patient Outcomes From the Kidney Allograft Outcomes AlloSure Registry
Enrollment Status: Unknown
Publish Date: June 27, 2023
Intervention Type: Diagnostic test, Other
A Single Center, Randomized, Double-blind Controlled Trial of Sitagliptin Versus Placebo to Reduce the Incidence and Severity of New-onset Diabetes After Kidney Transplant
A Single Center, Randomized, Double-blind Controlled Trial of Sitagliptin Versus Placebo to Reduce the Incidence and Severity of New-onset Diabetes After Kidney Transplant
Enrollment Status: Completed
Publish Date: December 30, 2022
Intervention Type: Drug
Study Phase: Phase 4
Randomized Controlled Trial of Infliximab (Remicade®) Induction Therapy for Deceased Donor Kidney Transplant Recipients (CTOT-19)
Randomized Controlled Trial of Infliximab (Remicade®) Induction Therapy for Deceased Donor Kidney Transplant Recipients (CTOT-19)
Enrollment Status: Completed
Publish Date: August 16, 2022
Intervention Type: Drug, Biological
Study Drugs: Infliximab, Methylprednisolone, Mycophenolate Mofetil, Tacrolimus, Thymoglobulin®, Acetaminophen, Loratadine, Prednisone, Diphenhydramine
Study Phase: Phase 2
mDOT: A Pilot Study of Video Directly Observed Therapy for Immunosuppressant Adherence in Adult Kidney Transplant Recipients
mDOT: A Pilot Study of Video Directly Observed Therapy for Immunosuppressant Adherence in Adult Kidney Transplant Recipients
Enrollment Status: Withdrawn
Publish Date: September 23, 2021
Intervention Type: Other
Study Phase: Not Applicable
Natural History of Infection Caused by BK Virus (and Other Opportunistic Viral Pathogens) in Renal Transplant Recipients
Natural History of Infection Caused by BK Virus (and Other Opportunistic Viral Pathogens) in Renal Transplant Recipients
Enrollment Status: Completed
Publish Date: July 28, 2020
A Randomized Double-blind Placebo-controlled Study to Evaluate the Efficacy and Safety of Cinryze® (C1 Esterase Inhibitor [Human]) for the Treatment of Acute Antibody-mediated Rejection in Kidney Transplant Patients
A Randomized Double-blind Placebo-controlled Study to Evaluate the Efficacy and Safety of Cinryze® (C1 Esterase Inhibitor [Human]) for the Treatment of Acute Antibody-mediated Rejection in Kidney Transplant Patients
Enrollment Status: Terminated
Publish Date: July 13, 2020
Intervention Type: Drug, Biological
Study Phase: Phase 3
View 6 Less Clinical Trials

223 Total Publications

Redefining Immunosuppression in Older Kidney Transplant Recipients: Reflections on the OPTIMIZE Study.
Redefining Immunosuppression in Older Kidney Transplant Recipients: Reflections on the OPTIMIZE Study.
Journal: Journal of the American Society of Nephrology : JASN
Published: November 07, 2025
View All 223 Publications
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Deidra Crews
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The Johns Hopkins Hospital

1800 Orleans Street, 
Baltimore, MD 
 (2315.8 miles away)
410-955-5000
Experience:
18+ years
Languages Spoken:
English
See accepted insurances

Dr. Crews is a Professor of Medicine in the Division of Nephrology at the Johns Hopkins University School of Medicine. She holds faculty appointments with the School of Nursing, the Welch Center for Prevention, Epidemiology and Clinical Research, the Center on Aging and Health, and the Center for Health Equity, where she is Deputy Director. Her research program aims to advance equity in kidney disease and hypertension outcomes by focusing on social drivers of health inequities. An elected member of the American Society for Clinical Investigation, Dr. Crews has received numerous awards for her research contributions, including the 2018 Johns Hopkins University President’s Frontier Award--a $250,000 award granted to a single faculty scholar on the cusp of transforming their field. She is a former National Academy of Medicine (NAM) Emerging Leader Scholar and was the inaugural Gilbert S. Omenn Anniversary Fellow of the NAM. In 2019, Dr. Crews received the W. Lester Henry Award for Diversity and Access to Care from the American College of Physicians and the Distinguished Leader Award from the American Society of Nephrology. Dr. Crews is the founding director of the Doctoral Diversity Program, a 2-year, research-intensive post-baccalaureate program of the Johns Hopkins Initiative for Careers in Science and Medicine. Dr. Crews received her undergraduate degree from the University of Virginia and her medical degree from Saint Louis University. A graduate of the Osler Medical Training Program, she completed nephrology fellowship and a master’s in clinical epidemiology degree at Johns Hopkins. Dr. Crews is rated as a Distinguished provider by MediFind in the treatment of Chronic Kidney Disease. Her top areas of expertise are Chronic Kidney Disease, End-Stage Renal Disease (ESRD), Arteriovenous Malformation, Kidney Transplant, and Nephrectomy.

Bernard G. Jaar
Elite in Chronic Kidney Disease
Dr. Bernard G. Jaar
Nephrology
Elite in Chronic Kidney Disease
Dr. Bernard G. Jaar
Nephrology

Johns Hopkins Bayview Medical Center

301 Mason Lord Drive, Suite 3400, Suite 3400, 
Baltimore, MD 
 (2318.5 miles away)
410-550-1800
Languages Spoken:
English, French
See accepted insurances
Offers Telehealth

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 rated as a Distinguished provider by MediFind in the treatment of Chronic Kidney Disease. His top areas of expertise are Chronic Kidney Disease, End-Stage Renal Disease (ESRD), Calcinosis, Low Potassium Level, and Kidney Transplant.

Elite in Chronic Kidney Disease
Dr. Michelle M. Estrella
Nephrology
Elite in Chronic Kidney Disease
Dr. Michelle M. Estrella
Nephrology
600 N Wolfe St, 
Baltimore, MD 
 (2315.8 miles away)
410-955-5268
Languages Spoken:
English

Michelle Estrella is a Nephrologist in Baltimore, Maryland. Dr. Estrella is rated as a Distinguished provider by MediFind in the treatment of Chronic Kidney Disease. Her top areas of expertise are Chronic Kidney Disease, End-Stage Renal Disease (ESRD), Focal Segmental Glomerulosclerosis, Prerenal Azotemia, and Kidney Transplant.

VIEW MORE CHRONIC KIDNEY DISEASE DOCTORS

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

Find Dr. Brennan's expertise for a condition
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  • Elite
  • Chronic Kidney Disease
    Dr. Brennan is
    Elite
    . Learn about Chronic Kidney Disease.
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  • Kidney Transplant
    Dr. Brennan is
    Elite
    . Learn about Kidney Transplant.
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  • Distinguished
  • Cytomegalic Inclusion Disease
    Dr. Brennan is
    Distinguished
    . Learn about Cytomegalic Inclusion Disease.
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  • Cytomegalovirus Infection
    Dr. Brennan is
    Distinguished
    . Learn about Cytomegalovirus Infection.
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  • Advanced
  • Atypical Hemolytic Uremic Syndrome (aHUS)
    Dr. Brennan is
    Advanced
    . Learn about Atypical Hemolytic Uremic Syndrome (aHUS).
    See more Atypical Hemolytic Uremic Syndrome (aHUS) experts
  • Chronic Antibody-Mediated Rejection
    Dr. Brennan is
    Advanced
    . Learn about Chronic Antibody-Mediated Rejection.
    See more Chronic Antibody-Mediated Rejection experts
  • D-Plus Hemolytic Uremic Syndrome
    Dr. Brennan is
    Advanced
    . Learn about D-Plus Hemolytic Uremic Syndrome.
    See more D-Plus Hemolytic Uremic Syndrome experts
  • End-Stage Renal Disease (ESRD)
    Dr. Brennan is
    Advanced
    . Learn about End-Stage Renal Disease (ESRD).
    See more End-Stage Renal Disease (ESRD) experts
  • Hemolytic-Uremic Syndrome
    Dr. Brennan is
    Advanced
    . Learn about Hemolytic-Uremic Syndrome.
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  • Nephrectomy
    Dr. Brennan is
    Advanced
    . Learn about Nephrectomy.
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View All 7 Advanced Conditions
  • Experienced
  • Acute Kidney Failure
    Dr. Brennan is
    Experienced
    . Learn about Acute Kidney Failure.
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  • Fabry Disease
    Dr. Brennan is
    Experienced
    . Learn about Fabry Disease.
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  • Glomerulonephritis
    Dr. Brennan is
    Experienced
    . Learn about Glomerulonephritis.
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  • Interstitial Nephritis
    Dr. Brennan is
    Experienced
    . Learn about Interstitial Nephritis.
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  • Liddle Syndrome
    Dr. Brennan is
    Experienced
    . Learn about Liddle Syndrome.
    See more Liddle Syndrome experts
  • Liver Transplant
    Dr. Brennan is
    Experienced
    . Learn about Liver Transplant.
    See more Liver Transplant experts
View All 19 Experienced Conditions
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