Peter Filderman is a Urologist in Baltimore, Maryland. Dr. Filderman is rated as a Distinguished provider by MediFind in the treatment of Kidney Stones. His top areas of expertise are Enlarged Prostate (BPH), UPJ Obstruction, Urinary Tract Infection in Children, Ureteroscopy, and Bladder Reconstruction.

Dr. Brian Matlaga is a Professor of Urology at Johns Hopkins University School of Medicine and also is the Director of the Stephens Center for Stone Disease as well as the Executive Vice Chair of the James Buchanan Brady Urological Institute. Dr. Matlaga is an internationally recognized expert in the medical and surgical management of patients with urinary stone disease. A frequent contributor to the medical press, with over 180 peer-reviewed publications, Dr. Matlaga’s research has received national and international awards. Dr. Matlaga sits on numerous editorial boards as well as advisory committees and guidelines panels for the American Urological Association, the American Board of Urology, the Endourological Society, and the National Institutes of Health, amongst others. Dr. Matlaga serves as Executive Medical Director of Clinical Affairs for Johns Hopkins Medicine International, the arm of Johns Hopkins Medicine that manages its global presence. In this capacity, he delivers clinical care as well as project leadership across the globe. Dr. Matlaga is rated as an Elite provider by MediFind in the treatment of Kidney Stones. His top areas of expertise are Kidney Stones, Bladder Stones, Boils, Ureteroscopy, and Lithotripsy.

Dr. Marisa Clifton is the Director of Women’s Health at the Brady Urological Institute. She is fellowship trained. As a leader in the field of female urology, her clinical expertise includes surgical and nonsurgical treatment of pelvic organ prolapse, stress urinary incontinence, urgency urinary incontinence, urinary fistulas, genitourinary reconstruction and urethral diverticula. Dr. Clifton is also an Assistant Professor of Urology at the Johns Hopkins School of Medicine and serves as the Director of Robotic Education. In addition, she serves as Vice President of Medical Affairs at Johns Hopkins Bayview Medical Center. She also serves as Associate Chief Medical Officer of The Johns Hopkins Hospital. Her research interests include medical education and clinical outcomes after surgery. Dr. Clifton received her medical degree from the Johns Hopkins University School of Medicine and completed her residency in urology at the Mayo Clinic in Rochester, Minnesota. She completed her fellowship in Female Pelvic Medicine and Reconstructive Surgery at The Cleveland Clinic in Cleveland, Ohio. Dr. Clifton is rated as an Advanced provider by MediFind in the treatment of Kidney Stones. Her top areas of expertise are Urinary Incontinence, Obstructive Uropathy, Neurogenic Bladder, Sacral Nerve Stimulation, and Hormone Replacement Therapy (HRT).

Dr. Andrew J. Cohen is an Associate Professor of Urology at Johns Hopkins. He serves as the Division Director of Benign Urology and Director of Advanced Practice Providers at the Johns Hopkins Brady Urological Institute. He has a robust clinical practice focusing on complex genitourinary reconstruction. In particular, he has interest in the management of erectile dysfunction, urinary incontinence, stricture diseases of the urinary system, peyronie's disease, genital skin conditions, buried penis, urinary diversion, and other benign urologic conditions. He has extensive experience in robotic surgery. He also focuses on issues pertinent to cancer survivorship in men. He is well equipped to perform novel minimally invasive procedures such as endoscopic urethroplasty and robotic buccal ureteroplasty. He has an extensive research portfolio, with particular concentration in outcomes and safety research. Dr. Cohen received dual B.S. degrees summa cum laude from the University of Florida in Chemistry and Chemical Engineering, followed by an MD from the University of Chicago where he was inducted into the Alpha Omega Alpha Honor Society. His urologic training was pursued at the University of Chicago. Furthermore, he completed a fellowship in Genitourinary Reconstruction and Trauma at the University of California, San Francisco. Among many honors, he was invited to join the Trauma and Urologic Reconstructive Network of Surgeons in 2025. He was a also a recipient of the 'Rising Star' Award from the Society of Genitouinary Reconstructive Surgeons in 2025. Dr. Cohen is rated as an Advanced provider by MediFind in the treatment of Kidney Stones. His top areas of expertise are Urethral Stricture, Hydronephrosis, Obstructive Uropathy, Prostatectomy, and Lithotripsy.

Kenneth Langer is a Urologist in Baltimore, Maryland. Dr. Langer is rated as an Advanced provider by MediFind in the treatment of Kidney Stones. His top areas of expertise are Enlarged Prostate (BPH), Urinary Incontinence, Frequent or Urgent Urination, Urinary Tract Infection in Children, and Ureteroscopy.

Michael Phelan is a Urologist and a General Surgeon in Baltimore, Maryland. Dr. Phelan is rated as a Distinguished provider by MediFind in the treatment of Kidney Stones. His top areas of expertise are Renal Cell Carcinoma (RCC), WT1-Related Wilms Tumor Syndromes, Chromophobe Renal Cell Carcinoma, Nephrectomy, and Reconstructive Urology Surgery. Dr. Phelan is currently accepting new patients.

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 Kidney Stones. His top areas of expertise are Low Potassium Level, End-Stage Renal Disease (ESRD), Chronic Kidney Disease, and High Potassium Level.

Dr. Edward Wright is an associate professor of urology at the Johns Hopkins School of Medicine. He serves as the Director of Urology at the Johns Hopkins Bayview Medical Center. His clinical and research interests are in male and female urinary incontinence, complex voiding dysfunction and pelvic genitourinary reconstructive surgery. His specialty has less to do with surgical removal and more with mending urological body parts and restoring functionality in them. His passion for Johns Hopkins lies in the fact that it is the type of place where things can be done, and patients’ questions can be answered and solutions to their problems can be found through all of the resources Johns Hopkins has to offer. Dr. Wright earned his M.D. from Dartmouth Medical School in New Hampshire. He completed his residency in urology at The Presbyterian Hospital in the City of New York and performed a fellowship in Urogynecology at Duke University School of Medicine. Dr. Wright is a member of the American Urologic Association and the Mid-Atlantic Section of American Urologic Association as well as the Society for Urodynamics and Female Urology. He has been recognized with a number of awards including Winner of the Urology Chief Resident's debate New York section of the American Urologic Society at the The New York Academy of Medicine. Dr. Wright is rated as an Experienced provider by MediFind in the treatment of Kidney Stones. His top areas of expertise are Neurogenic Bladder, Stress Urinary Incontinence, Urinary Incontinence, Ureteroscopy, and Bladder Reconstruction.

George Mamo is a Urologist in Baltimore, Maryland. Dr. Mamo is rated as a Distinguished provider by MediFind in the treatment of Kidney Stones. His top areas of expertise are Carbuncle, Boils, Perirenal Abscess, Prostatectomy, and Ureteroscopy. Dr. Mamo is currently accepting new patients.

Dr. Luis F. Gimenez is an assistant professor of medicine at the Johns Hopkins University School of Medicine. His area of clinical expertise includes nephrology. Dr. Gimenez received his medical degree from Facultad de Medicina de la Universidad de Chile. He completed residencies in internal medicine at Hospital Clinico Regional Dr. Guillermo Grant Benavente, Hospital Carlos Van Buren and the Johns Hopkins School of Medicine. He performed his fellowship in nephrology at Johns Hopkins. His research interests include the pathophysiology of chronic renal failure. Dr. Gimenez is rated as an Experienced provider by MediFind in the treatment of Kidney Stones. His top areas of expertise are End-Stage Renal Disease (ESRD), Chronic Kidney Disease, Acute Kidney Failure, and Minimal Change Disease.

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

Ahmed Ghazi is an associate professor of urology at the Johns Hopkins University School of Medicine. He is the Director of Surgical Simulation Training and the Division of Minimally Invasive and Robotic Surgery within the Johns Hopkins Brady Urological Institute. Dr. Ghazi specializes in urologic surgical oncology using the latest techniques of minimally invasive surgery for prostate, kidney, bladder, ureteral and other genitourinary organ cancers. He also as specializes in minimal invasive treatment of complex stones of the urinary tract. Dr. Ghazi is a pioneer in the field of patient-specific surgical simulation, which has applications for training future surgeons as well as improving outcomes for patients through individualized modeling. When planning for a complex surgery, Dr. Ghazi constructs 3D models of the patient’s anatomy in order to plan and rehearse surgery prior to the actual surgery. These models span from digital renderings to tangible models used to practice the critical components of your surgery. Dr. Ghazi received his medical degree from Cairo University in Egypt in 2000, where he also completed his surgery training and urology residency. From there, Dr. Ghazi completed a laparoscopic fellowship in Paris, France in 2008, followed by a second laparoscopic fellowship in Austria in 2009. While practicing in Europe, Dr. Ghazi was accepted to the European Board of Urology. Dr. Ghazi continued his training at the University of Rochester, New York through a two-year fellowship in the robotic treatment of various urologic cancers. He then joined the staff at the urology department of University of Rochester in 2012 where he continued to practice until joining Johns Hopkins Medicine. Dr. Ghazi believes in a reciprocal relationship between innovation, surgery & research where each informs and strengthens the others. He strives to adopt innovative surgical technologies that are evidence-based, benefit his patients and translate directly to improved patient outcomes. Dr. Ghazi is rated as a Distinguished provider by MediFind in the treatment of Kidney Stones. His top areas of expertise are Prostate Cancer, Kidney Stones, Boils, Prostatectomy, and Nephrectomy.

Arun Rai, M.D., M.B.A., M.S., is a urologist who specializes in minimally invasive surgery and endourology and has extensive training to treat patients with adrenal cancer, kidney cancer, ureteral cancer and prostate cancer. In addition, he also specializes in treating patients with BPH, kidney stones and bladder stones. Dr. Rai earned both his undergraduate and medical degrees through the highly selective seven-year accelerated medical education program at Boston University School of Medicine. Dr. Rai went on to complete a general surgery internship at Baylor College of Medicine, where he then also completed his urology residency. Dr. Rai continued his training at the Northwell Health’s Smith Institute for Urology by completing a fellowship in Endourology and Minimally Invasive Surgery. During this time, he also received a dual MBA/MS in Healthcare Leadership Weill Cornell Graduate School of Medical Sciences and Cornell University. In addition to caring for patients, Dr. Rai serves as Clinical Director for the Brady Urological Institute's Quantitative Data Sciences division. His research focuses on developing the next generation of surgical technology, focusing on artificial intelligence and machine learning for optimizing clinical care. He strongly believes that surgeons should have an active role in the development of the next generation of tools for the optimal treatment of patients. He has authored several publications, with topics including patient safety in the operating room, long-term outcomes of subcapsular renal hematoma, pelvi-ureteric junction obstruction and featured in journals such as Urology and the Journal of Endourology. Dr. Rai is rated as a Distinguished provider by MediFind in the treatment of Kidney Stones. His top areas of expertise are Kidney Stones, Horseshoe Kidney, Boils, Ureteroscopy, and Lithotripsy.

Ira Hantman is a Urologist in Baltimore, Maryland. Dr. Hantman is rated as an Advanced provider by MediFind in the treatment of Kidney Stones. His top areas of expertise are Prostate Cancer, Familial Prostate Cancer, Enlarged Prostate (BPH), Urothelial Cancer, and Ureteroscopy.

Alan Kusakabe is a Urologist in Baltimore, Maryland. Dr. Kusakabe is rated as an Advanced provider by MediFind in the treatment of Kidney Stones. His top areas of expertise are Obstructive Uropathy, Chromophobe Renal Cell Carcinoma, Clear Cell Sarcoma, Vasectomy, and Reconstructive Urology Surgery. Dr. Kusakabe is currently accepting new patients.

Robert Thompson is a Urologist in Baltimore, Maryland. Dr. Thompson is rated as an Advanced provider by MediFind in the treatment of Kidney Stones. His top areas of expertise are Urethral Stricture, Prostate Cancer, Familial Prostate Cancer, Vasectomy, and Ureteroscopy. Dr. Thompson is currently accepting new patients.

Damon Davis is a Urologist in Baltimore, Maryland. Dr. Davis is rated as an Advanced provider by MediFind in the treatment of Kidney Stones. His top areas of expertise are Prostate Cancer, Familial Prostate Cancer, Urinary Tract Infection in Children, Ureteroscopy, and Reconstructive Urology Surgery. Dr. Davis is currently accepting new patients.

Michael Naslund is a General Surgeon and a Urologist in Baltimore, Maryland. Dr. Naslund is rated as an Advanced provider by MediFind in the treatment of Kidney Stones. His top areas of expertise are Prostate Cancer, Familial Prostate Cancer, Enlarged Prostate (BPH), Ureteroscopy, and Prostatectomy. Dr. Naslund is currently accepting new patients.

Brian Neuman is a Urologist in Baltimore, Maryland. Dr. Neuman is rated as an Advanced provider by MediFind in the treatment of Kidney Stones. His top areas of expertise are Frequent or Urgent Urination, Enlarged Prostate (BPH), UPJ Obstruction, Urethral Stricture, and Ureteroscopy. Dr. Neuman is currently accepting new patients.

David Goldstein is a Urologist in Baltimore, Maryland. Dr. Goldstein is rated as a Distinguished provider by MediFind in the treatment of Kidney Stones. His top areas of expertise are Prostate Cancer, Familial Prostate Cancer, Muscle Invasive Bladder Cancer, Ureteroscopy, and Reconstructive Urology Surgery. Dr. Goldstein is currently accepting new patients.