Jonathan Rhee is an Urologist in Silver Spring, Maryland. Dr. Rhee is rated as a Distinguished provider by MediFind in the treatment of UPJ Obstruction. His top areas of expertise are UPJ Obstruction, Bilateral Hydronephrosis, Hydronephrosis, Ureteroscopy, and Prostatectomy. Dr. Rhee is currently accepting new patients.

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

Alejandro Rodriguez is an Urologist in Columbia, Maryland. Dr. Rodriguez is rated as a Distinguished provider by MediFind in the treatment of UPJ Obstruction. His top areas of expertise are Enlarged Prostate (BPH), UPJ Obstruction, Kidney Stones, Familial Prostate Cancer, and Ureteroscopy.

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 a Distinguished provider by MediFind in the treatment of UPJ Obstruction. His top areas of expertise are Urethral Stricture, Hydronephrosis, Obstructive Uropathy, Prostatectomy, and Lithotripsy.

Dr. Kathleen Sterling is part of the Suburban Hospital’s medical staff and a urologist with Urological Consultants, P.A. Dr. Sterling served as chief resident of the University of Maryland Medical Center urology program. During her training, she performed laboratory research related to overactive bladder. With an undergraduate degree from Vanderbilt University, Dr. Sterling served as a Surface Warfare Officer in the United States Navy, completing two deployments at sea, including one combat mission during Operation Iraqi Freedom. Dr. Sterling treats both men and women. Her expertise includes voiding dysfunction, male and female urinary incontinence and female pelvic floor disorders. Dr. Sterling’s practice also encompasses medical and surgical management of kidney stones, erectile dysfunction and urological cancers. Dr. Sterling sees patients in Bethesda and Germantown, Maryland. For appointments, call 301-530-1700. Dr. Sterling is rated as a Distinguished provider by MediFind in the treatment of UPJ Obstruction. Her top areas of expertise are Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Urinary Incontinence, Kidney Stones, and Ureteroscopy.

Kasey Morrison is an Urologist in Silver Spring, Maryland. Dr. Morrison has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in the treatment of UPJ Obstruction. His top areas of expertise are Neurogenic Bladder, Bilateral Hydronephrosis, Hydronephrosis, Ureteroscopy, and Prostatectomy. Dr. Morrison is currently accepting new patients.

Frank Nezu is an Urologist in Columbia, Maryland. Dr. Nezu is rated as an Advanced provider by MediFind in the treatment of UPJ Obstruction. His top areas of expertise are Enlarged Prostate (BPH), Perirenal Abscess, Carbuncle, Boils, and Ureteroscopy.

David Fenig is an Urologist in Columbia, Maryland. Dr. Fenig is rated as an Advanced provider by MediFind in the treatment of UPJ Obstruction. His top areas of expertise are Male Pseudohermaphroditism with Gynecomastia, Eunuchoidism Familial Hypogonadotropic, Testicular Failure, Hypogonadism Primary Partial Alopecia, and Ureteroscopy.

Robert Goldfarb is an Urologist in Columbia, Maryland. Dr. Goldfarb is rated as an Advanced provider by MediFind in the treatment of UPJ Obstruction. His top areas of expertise are Urethral Stricture, Peyronie Disease, Obstructive Uropathy, Ureteroscopy, and Reconstructive Urology Surgery.

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

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 Advanced provider by MediFind in the treatment of UPJ Obstruction. 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 UPJ Obstruction. Her top areas of expertise are Urinary Incontinence, Obstructive Uropathy, Neurogenic Bladder, Sacral Nerve Stimulation, and Hormone Replacement Therapy (HRT).

Adam Kern is an Urologist in Annapolis, Maryland. Dr. Kern is rated as an Advanced provider by MediFind in the treatment of UPJ Obstruction. His top areas of expertise are Undescended Testicle, Meatal Stenosis, Hypospadias, Lithotripsy, and Reconstructive Urology Surgery.

Naren Nimmagadda, M.D., is an assistant professor of urology at the Johns Hopkins University School of Medicine. He treats a wide range of benign and malignant urological conditions. As a fellowship trained urologist in endourologic and laparoscopic surgery, his practice focuses on treated voiding issues related to BPH through Holmium Laser Enucleation of the Prostate (HoLEP), an alternative to transurethral resection of the prostate (TURP). Dr. Nimmagadda also specializes in treating kidney, ureteral and bladder stones via shockwave lithotripsy, endoscopic and percutaneous techniques. Dr. Nimmagadda is the Endourology, Minimally Invasive Urology Fellowship Program Director. Dr. Nimmagadda attended medical school at the University of Maryland School of Medicine. Following medical school, Dr. Nimmagadda completed a general surgery internship and residency in urology at Massachusetts General Hospital. He then completed a fellowship in endourology and laparoscopic surgery at Vanderbilt University Medical Center. Following graduation, Dr. Nimmagadda served on the Vanderbilt University Medical Center’s Department of Urology faculty as an instructor. Dr. Nimmagadda has research interest in the intersection of urology and technological innovation. Dr. Nimmagadda is rated as an Advanced provider by MediFind in the treatment of UPJ Obstruction. His top areas of expertise are Kidney Stones, Enlarged Prostate (BPH), UPJ Obstruction, Ureteroscopy, and Lithotripsy.

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 Advanced provider by MediFind in the treatment of UPJ Obstruction. His top areas of expertise are Neurogenic Bladder, Stress Urinary Incontinence, Urinary Incontinence, Ureteroscopy, and Bladder Reconstruction.

Christopher Runz is an Urologist in Centreville, Maryland. Dr. Runz is rated as a Distinguished provider by MediFind in the treatment of UPJ Obstruction. His top areas of expertise are UPJ Obstruction, Muscle Invasive Bladder Cancer, Non-Muscle Invasive Bladder Cancer, Ureteroscopy, and Prostatectomy. Dr. Runz is currently accepting new patients.

Jason Riley is an Urologist in Cumberland, Maryland. Dr. Riley is rated as a Distinguished provider by MediFind in the treatment of UPJ Obstruction. His top areas of expertise are UPJ Obstruction, Perirenal Abscess, Boils, Ureteroscopy, and Reconstructive Urology Surgery. Dr. Riley is currently accepting new patients.

Mark Edney is an Urologist and a General Surgeon in Salisbury, Maryland. Dr. Edney is rated as a Distinguished provider by MediFind in the treatment of UPJ Obstruction. His top areas of expertise are Familial Prostate Cancer, Prostate Cancer, UPJ Obstruction, Ureteroscopy, and Bladder Reconstruction. Dr. Edney is currently accepting new patients.

Jordan Angell is an Urologist in Westminster, Maryland. Dr. Angell is rated as a Distinguished provider by MediFind in the treatment of UPJ Obstruction. His top areas of expertise are Kidney Stones, UPJ Obstruction, Perirenal Abscess, Ureteroscopy, and Ureteral Reconstruction. Dr. Angell is currently accepting new patients.

Mark Shimko is an Urologist in Baltimore, Maryland. Dr. Shimko is rated as a Distinguished provider by MediFind in the treatment of UPJ Obstruction. His top areas of expertise are Prostate Cancer, Familial Prostate Cancer, UPJ Obstruction, Nephrectomy, and Reconstructive Urology Surgery. Dr. Shimko is currently accepting new patients.