Jeffrey Kopp is a Nephrologist in Bethesda, Maryland. Dr. Kopp is rated as an Elite provider by MediFind in the treatment of Focal Segmental Glomerulosclerosis. His top areas of expertise are Focal Segmental Glomerulosclerosis, Glomerulonephritis, Nephrotic Syndrome, Minimal Change Disease, and Kidney Transplant.

Dr. Nada Alachkar is an associate professor of medicine at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include incompatible kidney transplants, kidney transplants, nephrology and pancreas transplants. Dr. Alachkar earned her M.D. at Aleppo University Faculty of Medicine in Syria. She completed residencies at Aleppo University and Wright State University School of Medicine. She performed clinical fellowship in nephrology and transplant nephrology fellowship at Johns Hopkins University. Her research interests include recurrent glomerular diseases post kidney transplantation; in particular recurrent FSGS post transplant. Also, she is studying biomarkers in kidney transplants; outcome of living and deceased donor kidney transplant recipients with positive crossmatch; and responses to desensitization treatments and post-transplant outcome in highly sensitized patients. Dr. Alachkar is a member of the American Society of Nephrology and the American Society of Transplantation. Dr. Alachkar is rated as an Elite provider by MediFind in the treatment of Focal Segmental Glomerulosclerosis. Her top areas of expertise are Focal Segmental Glomerulosclerosis, Atypical Hemolytic Uremic Syndrome (aHUS), D-Plus Hemolytic Uremic Syndrome, Kidney Transplant, and Splenectomy.

Marc Brazie is a Nephrologist in Waldorf, Maryland. Dr. Brazie is rated as a Distinguished provider by MediFind in the treatment of Focal Segmental Glomerulosclerosis. His top areas of expertise are Chronic Kidney Disease, Nephrosclerosis, Renovascular Hypertension, End-Stage Renal Disease (ESRD), and Gastrostomy. Dr. Brazie is currently accepting new patients.

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

Manoj Reddy is a Nephrologist in Waldorf, Maryland. Dr. Reddy is rated as an Advanced provider by MediFind in the treatment of Focal Segmental Glomerulosclerosis. His top areas of expertise are End-Stage Renal Disease (ESRD), Acute Kidney Failure, Nephrosclerosis, and Chronic Kidney Disease.

Samir Shabshab is a Nephrologist in Waldorf, Maryland. Dr. Shabshab is rated as an Advanced provider by MediFind in the treatment of Focal Segmental Glomerulosclerosis. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Nephrosclerosis.

Adam Pearlman is a Nephrologist in Clinton, Maryland. Dr. Pearlman is rated as an Advanced provider by MediFind in the treatment of Focal Segmental Glomerulosclerosis. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Nephrosclerosis. Dr. Pearlman is currently accepting new patients.

Fahim Malik is a Nephrologist in Annapolis, Maryland. Dr. Malik is rated as an Advanced provider by MediFind in the treatment of Focal Segmental Glomerulosclerosis. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Necrosis. Dr. Malik is currently accepting new patients.

Dr. Jeremy A. Marcus is a nephrologist affiliated with Sibley Memorial Hospital, Georgetown University Hospital, Washington Hospital Center and George Washington University Hospital, where he serves as an assistant professor of medicine for the George Washington University School of Medicine. He practices out of Washington Nephrology Associates in Washington, D.C. Dr. Marcus earned his medical degree from the University of Rochester School of Medicine and Dentistry. He completed an internship and residency in internal medicine at Beth Israel Deaconess Medical Center, where he also served as chief resident and clinical instructor of medicine. Dr. Marcus completed a fellowship in nephrology at Tufts-New England Medical Center. Dr. Marcus is a member of the American College of Physicians. Dr. Marcus is rated as an Advanced provider by MediFind in the treatment of Focal Segmental Glomerulosclerosis. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Polycystic Kidney Disease.

Joshua Rosenthal is a Nephrologist in Hagerstown, Maryland. Dr. Rosenthal is rated as an Advanced provider by MediFind in the treatment of Focal Segmental Glomerulosclerosis. His top areas of expertise are Congenital Microcoria, Focal Segmental Glomerulosclerosis, Nephrosclerosis, and Renovascular Hypertension. Dr. Rosenthal is currently accepting new patients.

Dr. C. John Sperati is an Associate Professor of Medicine at the Johns Hopkins University School of Medicine. His areas of clinical expertise include renal medicine. Dr. Sperati is Director of the Glomerular Diseases Fellowship Program since 2023 and formerly directed the Nephrology Fellowship Training Program from 2019 - 2025. He was the long-serving Firm Faculty Leader of the Barker Firm and has held leadership positions within the Osler Medical Residency training program. In addition, he co-directs the Johns Hopkins Osler Learning Initiative which brings the principles of medical residency training to executive education worldwide. He obtained his medical degree from The Pennsylvania State University College of Medicine and a Master in Health Science from the Johns Hopkins Bloomberg School of Public Health. He completed an internship and residency in Internal Medicine at the Johns Hopkins Hospital, followed by a year as an Assistant Chief of Service (chief resident). He subsequently pursued subspecialty training in nephrology at the Johns Hopkins Hospital and joined the faculty in the Division of Nephrology. Dr. Sperati’s clinical interests are in thrombotic microangiopathy including atypical hemolytic uremic syndrome (aHUS), complement-mediated kidney diseases including C3 glomerulopathy, glomerular disease such as glomerulonephritis (e.g., IgA nephropathy, MPGN) and nephrotic syndromes (e.g., FSGS, membranous, minimal change, amyloidosis, and others), and secondary and resistant hypertension (e.g., fibromuscular dysplasia, atherosclerotic renal arterial disease, hyperaldosteronism, and genetic hypertensive syndromes). He is the site principal investigator for clinical trials in glomerular disease, serves on editorial boards, and chairs the approval committee of the Longitudinal Knowledge Assessment for nephrology for the American Board of Internal Medicine. His clinical acumen and educational contributions have been recognized by induction into the Miller Coulson Academy of Clinical Excellence as well as the American Society of Nephrology Distinguished Educator Award in 2020. He has been recognized as a physician resource through the Atypical HUS Foundation, a NephCure glomerular disease specialist, an IgA Nephropathy Foundation specialist, and a Baltimore TopDoc. He is registered with the Florida Department of Health to perform telehealth services for patients in Florida. Dr. Sperati is rated as an Advanced provider by MediFind in the treatment of Focal Segmental Glomerulosclerosis. His top areas of expertise are Atypical Hemolytic Uremic Syndrome (aHUS), D-Plus Hemolytic Uremic Syndrome, Hemolytic-Uremic Syndrome, Glomerulonephritis, and Kidney Transplant.

Harshal Shah is a Nephrologist in Waldorf, Maryland. Dr. Shah is rated as an Advanced provider by MediFind in the treatment of Focal Segmental Glomerulosclerosis. Her top areas of expertise are Acute Kidney Failure, Chronic Kidney Disease, Frasier Syndrome, and Denys-Drash Syndrome (DDS).

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

Mitesh Shah is a Nephrologist in Clinton, Maryland. Dr. Shah is rated as an Advanced provider by MediFind in the treatment of Focal Segmental Glomerulosclerosis. His top areas of expertise are Nephrosclerosis, Renovascular Hypertension, Acute Kidney Failure, Nerve Decompression, and Awake Craniotomy. Dr. Shah is currently accepting new patients.

Jeffrey Posner is a Nephrologist in Owings Mills, Maryland. Dr. Posner is rated as an Advanced provider by MediFind in the treatment of Focal Segmental Glomerulosclerosis. His top areas of expertise are Nephrosclerosis, Renovascular Hypertension, End-Stage Renal Disease (ESRD), and Chronic Kidney Disease. Dr. Posner is currently accepting new patients.

Mohamed G. Atta, MD, MPH, is Professor of Medicine at Johns Hopkins University School of Medicine in Baltimore, Maryland and Director of Von Hippel Lindau Clinical Care Center at Hopkins. A graduate of Mansoura University School of Medicine in Egypt, he completed his internship and residency training in various locations including the Urology and Nephrology Center at Mansoura University, Cabrini Medical Center in New York, and Johns Hopkins University School of Medicine. Dr. Atta received his MPH degree from Johns Hopkins Bloomberg School of Public Health in 2005. Dr. Atta is a member of the Health Disparity Committee at the Department of Health and Mental Hygiene in Maryland, the Scientific Council on Kidney of the American Heart Association, the International Society of Nephrology, and the American Society of Nephrology. Dr. Atta has participated as principal investigator in several studies, clinical trials, and serves as a peer reviewer for the Journal of Clinical Investigation, Archives of Internal Medicine, American Journal of Medicine, Kidney International, Journal of the American Society of Nephrology, Clinical Journal of the American Society of Nephrology, American Journal of Kidney Diseases, Clinical Infectious Disease, and Journal of Infectious Diseases among others. He authored or co-authored numerous articles published in Genomics, the Journal of Biological Chemistry, Journal of clinical investigation, Clinical Infectious Disease, Circulation, Stem Cells Translational Medicine, American Journal of Medicine, and American Journal of Transplantation, Journal of the American Society of Nephrology, Clinical Journal of the American Society of Nephrology, American Journal of Kidney Disease, Nephrology Dialysis Transplantation, and Kidney International, among others. Dr. Atta is rated as an Advanced provider by MediFind in the treatment of Focal Segmental Glomerulosclerosis. His top areas of expertise are End-Stage Renal Disease (ESRD), Glomerulonephritis, Lupus Nephritis, Chronic Kidney Disease, and Kidney Transplant.

Anita Pasumarthy is a Nephrologist in Baltimore, Maryland. Dr. Pasumarthy is rated as an Advanced provider by MediFind in the treatment of Focal Segmental Glomerulosclerosis. Her top areas of expertise are Nephrosclerosis, Renovascular Hypertension, End-Stage Renal Disease (ESRD), and Chronic Kidney Disease.

Shari Lewis is a Nephrologist in Baltimore, Maryland. Dr. Lewis is rated as an Advanced provider by MediFind in the treatment of Focal Segmental Glomerulosclerosis. Her top areas of expertise are Nephrosclerosis, End-Stage Renal Disease (ESRD), Renovascular Hypertension, and Chronic Kidney Disease. Dr. Lewis is currently accepting new patients.

Jean Hou is a primary care provider, practicing in Internal Medicine in Halethorpe, Maryland. Dr. Hou is rated as an Advanced provider by MediFind in the treatment of Focal Segmental Glomerulosclerosis. Her top areas of expertise are Glomerulonephritis, Membranoproliferative Glomerulonephritis, Membranous Nephropathy, Minimal Change Disease, and Kidney Transplant.

Robert Greenwell is a Nephrologist in Baltimore, Maryland. Dr. Greenwell is rated as an Advanced provider by MediFind in the treatment of Focal Segmental Glomerulosclerosis. His top areas of expertise are Nephrosclerosis, End-Stage Renal Disease (ESRD), Renovascular Hypertension, and Chronic Kidney Disease.