Ping-hsin Chen is a Nephrologist in Columbia, Maryland. Dr. Chen is rated as a Distinguished provider by MediFind in the treatment of Acute Kidney Failure. Her top areas of expertise are Renovascular Hypertension, Acute Kidney Failure, Acute Tubular Necrosis, and Nephrosclerosis.

Jia Liu is a Nephrologist in Columbia, Maryland. Dr. Liu is rated as a Distinguished provider by MediFind in the treatment of Acute Kidney Failure. Her top areas of expertise are Nephrosclerosis, Renovascular Hypertension, Acute Kidney Failure, and Chronic Kidney Disease.

Mary Pieprzak is a Nephrologist in Columbia, Maryland. Dr. Pieprzak is rated as a Distinguished provider by MediFind in the treatment of Acute Kidney Failure. Her top areas of expertise are Nephrosclerosis, Renovascular Hypertension, Acute Kidney Failure, and Chronic Kidney Disease.

Tin Maung is a Nephrologist in Columbia, Maryland. Dr. Maung is rated as a Distinguished provider by MediFind in the treatment of Acute Kidney Failure. His top areas of expertise are Nephrosclerosis, Renovascular Hypertension, Chronic Kidney Disease, and Acute Kidney Failure.

Navneet Ahuja is a Nephrologist in Catonsville, Maryland. Dr. Ahuja is rated as a Distinguished provider by MediFind in the treatment of Acute Kidney Failure. Her top areas of expertise are Nephrosclerosis, Renovascular Hypertension, Acute Kidney Failure, and End-Stage Renal Disease (ESRD).

Mary Behrens is a Nephrologist in Catonsville, Maryland. Dr. Behrens is rated as a Distinguished provider by MediFind in the treatment of Acute Kidney Failure. Her top areas of expertise are Nephrosclerosis, Renovascular Hypertension, Acute Kidney Failure, and End-Stage Renal Disease (ESRD). Dr. Behrens is currently accepting new patients.

Ajay Gangalam is a Nephrologist in Catonsville, Maryland. Dr. Gangalam is rated as a Distinguished provider by MediFind in the treatment of Acute Kidney Failure. His top areas of expertise are Acute Kidney Failure, Renovascular Hypertension, Nephrosclerosis, Gastrostomy, and Hip Replacement. Dr. Gangalam is currently accepting new patients.

Rudolf Pullmann is a Nephrologist in Catonsville, Maryland. Dr. Pullmann is rated as a Distinguished provider by MediFind in the treatment of Acute Kidney Failure. His top areas of expertise are Nephrosclerosis, Renovascular Hypertension, Acute Tubular Necrosis, and Acute Kidney Failure. Dr. Pullmann is currently accepting new patients.

Robert Fuld is a Nephrologist in Baltimore, Maryland. Dr. Fuld is rated as a Distinguished provider by MediFind in the treatment of Acute Kidney Failure. His top areas of expertise are Nephrosclerosis, Renovascular Hypertension, Vitamin D Deficiency, and Chronic Kidney Disease. Dr. Fuld is currently accepting new patients.

Ajay Kumar is a Nephrologist in Columbia, Maryland. Dr. Kumar is rated as a Distinguished provider by MediFind in the treatment of Acute Kidney Failure. His top areas of expertise are Acute Kidney Failure, Nephrosclerosis, Renovascular Hypertension, and Acute Tubular Necrosis.

Rao Khan is a Nephrologist in Columbia, Maryland. Dr. Khan is rated as a Distinguished provider by MediFind in the treatment of Acute Kidney Failure. His top areas of expertise are Nephrosclerosis, Renovascular Hypertension, Acute Kidney Failure, Chronic Kidney Disease, and Endoscopy.

Dr. Vyas is board-certified in Internal Medicine and Nephrology with a special interest in obesity related chronic kidney disease and nutritional counseling in CKD. Dr. Vyas is rated as an Advanced provider by MediFind in the treatment of Acute Kidney Failure. Her top areas of expertise are Acute Kidney Failure, Nephrosclerosis, Renovascular Hypertension, Chronic Kidney Disease, and Kidney Transplant.

Marcelino Albuerne is a primary care provider, practicing in Family Medicine in Catonsville, Maryland. Dr. Albuerne is rated as an Experienced provider by MediFind in the treatment of Acute Kidney Failure. His top areas of expertise are Glycine Encephalopathy, Anemia, Familial Hypertension, Gastrostomy, and Endoscopy.

James Tansinda is a primary care provider, practicing in Family Medicine in Catonsville, Maryland. Dr. Tansinda is rated as an Experienced provider by MediFind in the treatment of Acute Kidney Failure. His top areas of expertise are Gangrene, Type 2 Diabetes (T2D), Hypertension, Endoscopy, and Pancreatectomy.

Dr. Samir Gautam, is an Assistant Professional of Medicine at Johns Hopkins School of Medicine with expertise in Nephrology and Critical Care Medicine. He staffs patients in Johns Hopkins Hospital, chronic dialysis clinics, Bayview Medical Center and clinic and also has a specialty clinic Post AKI clinic at Johns Hopkins Outpatient Center. Dr. Gautam is rated as an Advanced provider by MediFind in the treatment of Acute Kidney Failure. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Nephrosclerosis.

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 Acute Kidney Failure. His top areas of expertise are Atypical Hemolytic Uremic Syndrome (aHUS), D-Plus Hemolytic Uremic Syndrome, Hemolytic-Uremic Syndrome, Glomerulonephritis, and Kidney Transplant.

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 Acute Kidney Failure. His top areas of expertise are End-Stage Renal Disease (ESRD), Glomerulonephritis, Lupus Nephritis, Chronic Kidney Disease, and Kidney Transplant.

Dr. Mohamad Hanouneh is an Assistant Professor of Medicine at the Johns Hopkins University School of Medicine. His areas of clinical expertise include renal medicine. Dr. Hanouneh grew up in Syria and completed his medical school in Tishreen University in Latakia, Syria. He completed Internal Medicine Residency training at Cleveland Clinic, and Nephrology Fellowship at Johns Hopkins. Dr. Hanouneh currently serves as a part-time faculty in the Division of Nephrology at Johns Hopkins. He also works in the Nephrology Center of Maryland covering Good Samaritan and Upper Chesapeake Hospitals. Dr. Hanouneh has a passion in medical education. He runs the nephrology board review course and participates in Genes to Society Course of Renal Physiology, which is given to the medical students at Johns Hopkins University School of Medicine. His area of interests are electrolytes disorders, diabetic kidney disease and nephrolithiasis. Dr. Hanouneh is rated as an Advanced provider by MediFind in the treatment of Acute Kidney Failure. His top areas of expertise are Low Potassium Level, End-Stage Renal Disease (ESRD), Chronic Kidney Disease, and High Potassium Level.

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 Advanced provider by MediFind in the treatment of Acute Kidney Failure. Her top areas of expertise are Focal Segmental Glomerulosclerosis, Atypical Hemolytic Uremic Syndrome (aHUS), D-Plus Hemolytic Uremic Syndrome, Kidney Transplant, and Splenectomy.

Dr. Fizza Naqvi is an assistant professor of medicine at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include nephrology, kidney and pancreas transplant. Dr. Naqvi received her medical degree from the Aga Khan Medical College in Karachi, Pakistan. She performed a fellowship in nephrology at the University of Alabama at Birmingham. She completed training in transplant nephrology at Johns Hopkins. Dr. Naqvi speaks English and Urdu. Dr. Naqvi is rated as an Advanced provider by MediFind in the treatment of Acute Kidney Failure. Her top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, Cytomegalic Inclusion Disease, and Kidney Transplant.