Michelle Petri, M.D. is a Professor of Medicine at the Johns Hopkins University School of Medicine. She attended medical school at Harvard University and fulfilled her internal medicine residency at the Massachusetts General Hospital. In addition, she completed two fellowship programs at the University of California, San Francisco in allergy and immunology and rheumatology. Dr. Petri is the Director of the Hopkins Lupus Cohort, a longitudinal study of morbidity and mortality in systemic lupus erythematosus, and Co-Director of the Hopkins Lupus Pregnancy Center. Dr. Petri is rated as an Elite provider by MediFind in the treatment of Lupus Nephritis. Her top areas of expertise are Lupus Nephritis, Systemic Lupus Erythematosus (SLE), Cutaneous Lupus Erythematosus (CLE), Tenotomy, and Osteotomy.

Andrea Fava is a Rheumatologist in Baltimore, Maryland. Dr. Fava is rated as an Elite provider by MediFind in the treatment of Lupus Nephritis. His top areas of expertise are Lupus Nephritis, Systemic Lupus Erythematosus (SLE), Scleroderma, and Systemic Sclerosis (SSc).

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 a Distinguished provider by MediFind in the treatment of Lupus Nephritis. His top areas of expertise are End-Stage Renal Disease (ESRD), Glomerulonephritis, Lupus Nephritis, Chronic Kidney Disease, and Kidney Transplant.

Dr. Homa Timlin is an assistant professor of medicine at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include systemic lupus erythematosus, and lupus nephritis. Dr. Timlin serves on the faculty of the Johns Hopkins Consultative Rheumatology Clinic. A member of the Royal College of Physicians, Dr. Timlin earned her medical degree at Romania’s Universitatea de Medicana Si Farmacie Carol Davila. Upon completion of rheumatology fellowships, Oxford in the United Kingdom and an internal medicine residency in the United States, she joined the Johns Hopkins Lupus Center in 2011. After a one-year postdoctoral lupus fellowship under the mentorship of Dr. Michelle Petri, she finished her post-doctoral fellowship in rheumatology at Johns Hopkins. She also holds a master’s degree in clinical immunology (London University), MRCP diploma (Member of the Royal College of Physicians), Certificate of Completion of Specialty Training (CCST). Dr. Timlin has been an active educator who works with trainees at all levels, nationally and internationally, in the inpatient and outpatient settings. Presently, Dr. Timlin has established a retrospective cohort of several hundred patients with lupus and lupus nephritis, and site lead at the Johns Hopkins Bayview Medical Center. Dr. Timlin is the medical chair for the local chapter of Lupus Foundation of America (LFA) and the director of an IRB-approved prospective human diagnostic study using magnetic resonance imaging (MRI) to evaluate lupus nephritis. This provider is registered with the Florida Department of Health to perform telehealth services for patients in Florida. Dr. Timlin is rated as a Distinguished provider by MediFind in the treatment of Lupus Nephritis. Her top areas of expertise are Lupus Nephritis, Systemic Lupus Erythematosus (SLE), Discoid Lupus Erythematosus (DLE), and Cutaneous Lupus Erythematosus (CLE).

Dr. Derek M. Fine is an associate professor of medicine at the Johns Hopkins University School of Medicine. His areas of clinical expertise include glomerular kidney disease, particularly lupus nephritis and other immune-mediated kidney diseases, HIV-related kidney disease, scleroderma-related kidney disease, acute kidney injury, hyponatremia, kidney biopsy, and rhabdomyolysis. Dr. Fine earned his M.D. at Johns Hopkins. He completed his residency in internal medicine and his fellowship in nephrology at Johns Hopkins. His research interests include HIV-related kidney diseases and lupus nephritis. He is a member of the Miller Coulson Academy of Clinical Excellence and was named 2018 Physician of the Year at Johns Hopkins Hospital. Dr. Fine is rated as an Elite provider by MediFind in the treatment of Lupus Nephritis. His top areas of expertise are Lupus Nephritis, Glomerulonephritis, Systemic Lupus Erythematosus (SLE), Chronic Kidney Disease, and Kidney Transplant.

Jose Monroy-Trujillo is a Nephrologist in Baltimore, Maryland. Dr. Monroy-Trujillo is rated as a Distinguished provider by MediFind in the treatment of Lupus Nephritis. His top areas of expertise are Lupus Nephritis, Glomerulonephritis, Chronic Kidney Disease, and Systemic Lupus Erythematosus (SLE). Dr. Monroy-Trujillo is currently accepting new patients.

Dr. Meredith Atkinson is an associate professor of pediatrics in the Johns Hopkins University School of Medicine. She provides care for children with kidney problems of any type, including patients on dialysis; patients with proteinuria, hematuria and chronic kidney disease; and kidney transplant. Dr. Atkinson's clinical research interests focus on chronic kidney disease and end-stage kidney disease in children. Her specific interests include mechanisms and treatment of anemia in chronic kidney disease and racial disparities in patient outcomes. She is the recipient of numerous research grants and awards, including a K23 Patient Oriented Research award from the National Institute of Diabetes and Digestive and Kidney Diseases/NIH, and young investigator grants from the National Kidney Foundation, the National Kidney Foundation of Maryland, the Thrasher Research Fund and Amgen Inc. She is currently the PI of the Renal Anhydramnios Fetal Therapy (RAFT) trial. She received her undergraduate degree in biology from Mount Holyoke College. She earned her M.D. from the University of Rochester School of Medicine and Dentistry. She completed a residency in pediatrics at Johns Hopkins, followed by a fellowship in pediatric nephrology at Hopkins, completed in June 2007. During her fellowship training, Dr. Atkinson received a master’s degree in epidemiology from the Johns Hopkins Bloomberg School of Public Health. Dr. Atkinson joined the Johns Hopkins faculty in 2007. Dr. Atkinson was elected to the Society for Pediatric Research in 2014. She is a member of several professional organizations including the American Society of Nephrology, and is the president of the American Society of Pediatric Nephrology for 2024-2026. Dr. Atkinson is rated as an Advanced provider by MediFind in the treatment of Lupus Nephritis. Her top areas of expertise are Potter Syndrome, Lupus Nephritis, Glomerulonephritis, Anemia, and Kidney Transplant.

Dr. Geetha is a Professor of Clinical Medicine in the Division of Nephrology, Johns Hopkins University School of Medicine. A graduate of Madras Medical College, India, she completed Internal Medicine training in U.K. She did her Internal Medicine Residency at York, PA and Nephrology fellowship at Johns Hopkins Bayview Medical Center. She has been on Hopkins faculty since 1998. She is the Associate Director of the Johns Hopkins Vasculitis Center and co-director of the Johns Hopkins Glomerular Disease Clinic. She is a member of Royal College of Physicians (U.K.) and Fellow of the American Society of Nephrology. She was inducted to the Miller Coulson Academy of Clinical Excellence. Dr. Geetha is rated as an Advanced provider by MediFind in the treatment of Lupus Nephritis. Her top areas of expertise are Glomerulonephritis, Microscopic Polyangiitis, Chronic Kidney Disease, Granulomatosis with Polyangiitis, and Kidney Transplant.

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 Experienced provider by MediFind in the treatment of Lupus Nephritis. His top areas of expertise are Atypical Hemolytic Uremic Syndrome (aHUS), D-Plus Hemolytic Uremic Syndrome, Hemolytic-Uremic Syndrome, Glomerulonephritis, and Kidney Transplant.

Preeti Chandra is a Nephrologist in Baltimore, Maryland. Dr. Chandra is rated as an Advanced provider by MediFind in the treatment of Lupus Nephritis. Her top areas of expertise are Acute Kidney Failure, Lupus Nephritis, IgA Nephropathy, and Thin Basement Membrane Nephropathy. Dr. Chandra is currently accepting new patients.

Violeta Rus is a Rheumatologist in Baltimore, Maryland. Dr. Rus is rated as an Advanced provider by MediFind in the treatment of Lupus Nephritis. Her top areas of expertise are Chronic Graft Versus Host Disease (cGvHD), Lupus Nephritis, Systemic Lupus Erythematosus (SLE), and Undifferentiated Connective Tissue Disease (UCTD). Dr. Rus is currently accepting new patients.

Bernadette Siaton is a Rheumatologist in Baltimore, Maryland. Dr. Siaton is rated as an Advanced provider by MediFind in the treatment of Lupus Nephritis. Her top areas of expertise are Relapsing Polychondritis, Gout, Behcet Disease, and Lupus Nephritis. Dr. Siaton is currently accepting new patients.

Dr. Allan Gelber is Professor of Medicine and Deputy Director for Education and Faculty Development in the Division of Rheumatology. He holds a joint appointment in the Department of Epidemiology at the Bloomberg School of Public Health and is Associate Faculty at the Welch Center for Prevention, Epidemiology, and Clinical Research. Dr. Gelber is a graduate of the Johns Hopkins University School of Medicine and received both his MPH and PhD degrees (the latter in Clinical Investigation) at the Bloomberg School. He pursued internship and residency training in internal medicine at Duke University and then undertook his fellowship training in rheumatology at Johns Hopkins. Dr. Gelber has had an active role as an Educator in the Rheumatic Diseases. He previously served as Fellowship Program Director at Johns Hopkins from 2001-2011. Thereafter, he shifted his primary educational focus from rheumatology fellows to medical students, and to internal medicine housestaff on the Bayview and Johns Hopkins campuses. He directs the Musculoskeletal Section of the Genes-to-Society Course to the 2nd year medical school class. Currently, Dr. Gelber serves as Thayer Firm Faculty Leader of the Osler Medical Training Program. and among the Aliki Scholars at Johns Hopkins Bayview Medical Center. Dr. Gelber chairs the M.D. Admissions Committee at the School of Medicine. Dr. Gelber is rated as an Experienced provider by MediFind in the treatment of Lupus Nephritis. His top areas of expertise are Gout, Arthritis, Scleroderma, Knee Replacement, and Endoscopy.

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

Dr. Maximilian Konig is an Assistant Professor of Medicine in the Division of Rheumatology and Director of the Cellular Therapy Program (Autoimmunity) in the Department of Medicine at the Johns Hopkins University School of Medicine. He received his medical degree from Charité - Universitätsmedizin Berlin, Humboldt-Universität zu Berlin (Germany) and completed his residency training in the Stanbury Physician-Scientist Pathway at Massachusetts General Hospital, Harvard Medical School. Dr. Konig concluded subspecialty training in Clinical and Molecular Rheumatology as well as Advanced Rheumatology at Johns Hopkins Hospital. His clinical interests lie in treating patients with systemic autoimmune diseases, including myositis, scleroderma, lupus, vasculitis, and inflammatory arthritis. Dr. Konig is rated as an Experienced provider by MediFind in the treatment of Lupus Nephritis. His top areas of expertise are Rheumatoid Arthritis (RA), Arthritis, Systemic Lupus Erythematosus (SLE), and Periodontitis.

George Stojan is a Rheumatologist in Baltimore, Maryland. Dr. Stojan is rated as an Advanced provider by MediFind in the treatment of Lupus Nephritis. His top areas of expertise are Systemic Lupus Erythematosus (SLE), Undifferentiated Connective Tissue Disease (UCTD), Lupus Nephritis, and Rheumatoid Arthritis (RA).

Dr. Ana-Maria Orbai is an Associate Professor of Medicine in the Division of Rheumatology at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include rheumatology and psoriatic arthritis. Dr. Orbai earned her M.D. from the Iuliu Hatieganu School of Medicine and Pharmacy, Cluj-Napoca, in Romania. She completed internship and residency training in internal medicine at the Johns Hopkins University-Sinai Hospital program. Subsequently, Dr. Orbai completed her post-doctoral fellowship training in rheumatology at Johns Hopkins. During her fellowship she earned her Master in Health Sciences degree in Clinical Investigation at the Johns Hopkins Bloomberg School of Public Health. Dr. Orbai directs the Psoriatic Arthritis Program in the Johns Hopkins Arthritis Center. Her clinical focus is psoriatic arthritis and spodyloarthritis. Dr. Orbai's research aims to understand psoriatic disease subtypes and improve treatment strategies for people with psoriatic arthritis. Dr. Orbai was awarded a Rheumatology Research Foundation Scientist Development award in 2014 and a Jerome L Greene Foundation Scholar award in 2018. Dr. Orbai is rated as an Experienced provider by MediFind in the treatment of Lupus Nephritis. Her top areas of expertise are Psoriatic Arthritis, Psoriasis, Arthritis, and Rheumatoid Arthritis (RA).

Dr. Abbal Koirala hails from Kathmandu, Nepal. He completed a nephrology and glomerulonephritis fellowship at the University of Washington, Seattle, and held the position of Clinical Assistant Professor there from 2020 to 2024. In August 2024, he joined the faculty of the Division of Nephrology at the Johns Hopkins School of Medicine as the Assistant Professor of Medicine and Associate Director at the Johns Hopkins Glomerular Clinic. Dr. Koirala sees patients with glomerular diseases and provides second opinions upon request. His clinical and research interests revolve around glomerular diseases and onco-nephrology. Dr. Koirala is rated as an Advanced provider by MediFind in the treatment of Lupus Nephritis. His top areas of expertise are Goodpasture Syndrome, Lupus Nephritis, Glomerulonephritis, and Chronic Kidney Disease.

Dr. Laura Cappelli is an Associate Professor of Medicine and Oncology at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include rheumatology and adverse effects from cancer immunotherapy. Dr. Cappelli earned her M.D. from Johns Hopkins. She completed her residency in internal medicine and performed a fellowship in rheumatology at the Johns Hopkins Hospital. She has a MHS in Clinical Investigation from the Johns Hopkins Bloomberg School of Public Health. Dr. Cappelli focuses on immune related adverse events due to cancer immunotherapy and all forms of inflammatory arthritis. She co-directs the Immune-related toxicity team which provides clinical, research and educational support for immune related adverse events. Her primary research interest is inflammatory arthritis due to immune checkpoint inhibitor therapy. She also studies rheumatoid arthritis. Dr. Cappelli is rated as an Experienced provider by MediFind in the treatment of Lupus Nephritis. Her top areas of expertise are Arthritis, Rheumatoid Arthritis (RA), Rhizomelic Pseudopolyarthritis, and Polymyalgia Rheumatica.