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

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

Learn more at marylandoncology.com. Dr. Sastry is rated as an Experienced provider by MediFind in the treatment of Acute Arterial Occlusion of Kidney. Her top areas of expertise are Paget Disease of the Breast, Breast Cancer, Iron Deficiency Anemia, and Childhood Iron Deficiency Anemia.

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

Misha Varma is a Nephrologist in Columbia, Maryland. Dr. Varma is rated as an Experienced provider by MediFind in the treatment of Acute Arterial Occlusion of Kidney. Her top areas of expertise are Nephrosclerosis, Renovascular Hypertension, High Potassium Level, and Acute Kidney Failure.

Arvinder Uppal is a Radiologist in Columbia, Maryland. Dr. Uppal is rated as an Experienced provider by MediFind in the treatment of Acute Arterial Occlusion of Kidney. Her top areas of expertise are Tenosynovitis, Progressive Familial Intrahepatic Cholestasis Type 1, Progressive Familial Intrahepatic Cholestasis Type 3, and Progressive Familial Intrahepatic Cholestasis Type 2.

Peter Graze is a Hematologist Oncology specialist and a Hematologist in Columbia, Maryland. Dr. Graze is rated as an Experienced provider by MediFind in the treatment of Acute Arterial Occlusion of Kidney. His top areas of expertise are Lung Cancer, Small Cell Lung Cancer (SCLC), Pleuropulmonary Blastoma, and Non-Small Cell Lung Cancer (NSCLC). Dr. Graze is currently accepting new patients.

Jonathan Foster is a Radiologist in Columbia, Maryland. Dr. Foster is rated as an Experienced provider by MediFind in the treatment of Acute Arterial Occlusion of Kidney. His top areas of expertise are Angiomyoma, Uterine Fibroids, Gallbladder Disease, and Visceromegaly.

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

Dr. Georgiades earned a series of degrees (BSc-Mechanical Engineering, MS & PhD-Radiological Sciences and an MD). He received a 1-year training in Internal Medicine at Harvard and subsequently, completed subspecialty training at Johns Hopkins in Diagnostic and Interventional Radiology. He has been a full time faculty at Johns Hopkins since 2003 (except for a 3 year hiatus 2012-2015 when he set up a private practice overseas). He has held various positions including fellowship director, clinical director and was a member of many Departmental and Institutional committees. He is a prolific researcher with more than 100 manuscripts, more than 100 abstracts, 28 book chapters and numerous presentations at national and international fora. Dr. Georgiades is rated as an Experienced provider by MediFind in the treatment of Acute Arterial Occlusion of Kidney. His top areas of expertise are Fibrolamellar Carcinoma, Bile Duct Obstruction, Neuroendocrine Tumor, Liver Embolization, and Gastrostomy.

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

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

Robert Benitez is a Cardiologist in Baltimore, Maryland. Dr. Benitez is rated as an Experienced provider by MediFind in the treatment of Acute Arterial Occlusion of Kidney. His top areas of expertise are Mitral Valve Regurgitation, Necrosis, Cardiogenic Shock, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

Brajesh Lal is a Vascular Surgeon and a General Surgeon in Baltimore, Maryland. Dr. Lal is rated as an Advanced provider by MediFind in the treatment of Acute Arterial Occlusion of Kidney. His top areas of expertise are Carotid Artery Disease, Venous Insufficiency, Varicose Veins, Stent Placement, and Carotid Artery Surgery. Dr. Lal is currently accepting new patients.

Sarasijhaa Desikan is a Vascular Surgeon in Baltimore, Maryland. Dr. Desikan is rated as an Advanced provider by MediFind in the treatment of Acute Arterial Occlusion of Kidney. Her top areas of expertise are Carotid Artery Disease, Idiopathic Edema, Acute Arterial Occlusion of Kidney, and Saddle Pulmonary Embolism. Dr. Desikan is currently accepting new patients.

Alok Gupta is a General Surgeon in Baltimore, Maryland. Dr. Gupta is rated as an Experienced provider by MediFind in the treatment of Acute Arterial Occlusion of Kidney. His top areas of expertise are Gallbladder Disease, Hernia, Gallstones, Hernia Surgery, and Bone Marrow Transplant. Dr. Gupta is currently accepting new patients.

Selam Tewolde is a primary care provider, practicing in Internal Medicine in Baltimore, Maryland. Dr. Tewolde is rated as an Experienced provider by MediFind in the treatment of Acute Arterial Occlusion of Kidney. Her top areas of expertise are Renovascular Hypertension, Sepsis, Pulmonary Embolism, Endoscopy, and Gastrostomy.

Shahab Khan is a Nephrologist in Glen Burnie, Maryland. Dr. Khan is rated as an Experienced provider by MediFind in the treatment of Acute Arterial Occlusion of Kidney. His top areas of expertise are Acute Kidney Failure, Nephrosclerosis, Renovascular Hypertension, and Chronic Kidney Disease. Dr. Khan is currently accepting new patients.

Mohammed Al-Natour is an Interventional Radiologist and a Radiologist in Glen Burnie, Maryland. Dr. Al-Natour is rated as an Experienced provider by MediFind in the treatment of Acute Arterial Occlusion of Kidney. His top areas of expertise are Ascites, Pleurisy, Pleural Effusion, Liver Embolization, and Bone Marrow Aspiration. Dr. Al-Natour is currently accepting new patients.

Arnold Raizon is a Radiologist in Glen Burnie, Maryland. Dr. Raizon is rated as an Experienced provider by MediFind in the treatment of Acute Arterial Occlusion of Kidney. His top areas of expertise are Gallbladder Disease, Biliary Dyskinesia, Ascites, and Pleurisy.