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 Ureteroscopy. His top areas of expertise are Kidney Stones, Bladder Stones, Boils, Ureteroscopy, and Lithotripsy.

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

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 Ureteroscopy. His top areas of expertise are Neurogenic Bladder, Bilateral Hydronephrosis, Hydronephrosis, Ureteroscopy, and Prostatectomy. Dr. Morrison is currently accepting new patients.

Nirmish Singla is an Oncologist in Lutherville, Maryland. Dr. Singla is rated as an Advanced provider by MediFind in Ureteroscopy. His top areas of expertise are Upper Tract Urothelial Carcinoma (UTUC), Renal Cell Carcinoma (RCC), Urothelial Cancer, Nephrectomy, and Orchiectomy.

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 an Advanced provider by MediFind in Ureteroscopy. His top areas of expertise are Kidney Stones, Horseshoe Kidney, Boils, Ureteroscopy, and Lithotripsy.

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 Ureteroscopy. His top areas of expertise are Kidney Stones, Enlarged Prostate (BPH), UPJ Obstruction, Ureteroscopy, and Lithotripsy.

Lucas Nikkel, M.D., is an orthopaedic surgeon specializing in hip and knee replacement. He has experience in treating people who have severe hip and knee arthritis, fractures and related conditions, as well as in performing a variety of joint replacement and reconstruction procedures. He is especially skilled in the minimally invasive anterior hip replacement approach. Dr. Nikkel attended Dartmouth College, and obtained his medical degree from the Pennsylvania State University College of Medicine. He completed a residency in orthopaedic surgery at the University of Rochester School of Medicine and Dentistry, and continued his training with a fellowship in adult reconstruction surgery at Duke University Medical Center in Durham, North Carolina. Before joining Johns Hopkins, he worked as an assistant professor of orthopaedic surgery at the Penn State College of Medicine for four years. During his training, Dr. Nikkel gained experience as a team physician for several high school and college sports teams, including hockey, soccer and football. He has received multiple awards, including a Merck Award for Academic Excellence and the Young Investigator Award from the American Society for Bone and Mineral Research. Dr. Nikkel’s research interests include approaches to hip and knee replacement, hip fracture management and outcomes, and fracture risk assessments. He co-authored numerous research publications on these topics, and has received awards for presenting his findings at national conferences. Dr. Nikkel is a fellow of the American Academy of Orthopaedic Surgeons. Videos Lucas Nikkel, M.D., Biography Hip Replacement Surgery Knee Replacement Surgery Knee Arthritis Treatment Options. Dr. Nikkel is rated as an Advanced provider by MediFind in Ureteroscopy. His top areas of expertise are Osteoarthritis, Infectious Arthritis, Hip Replacement, 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 Ureteroscopy. Her top areas of expertise are Urinary Incontinence, Obstructive Uropathy, Neurogenic Bladder, Sacral Nerve Stimulation, and Hormone Replacement Therapy (HRT).

Julio Davalos is an Urologist in Fulton, Maryland. Dr. Davalos is rated as a Distinguished provider by MediFind in Ureteroscopy. His top areas of expertise are Kidney Stones, Perirenal Abscess, Carbuncle, Ureteroscopy, and Lithotripsy. Dr. Davalos is currently accepting new patients.

Roy Joseph is an Urologist in Bethesda, Maryland. Dr. Joseph is rated as an Advanced provider by MediFind in Ureteroscopy. His top areas of expertise are UPJ Obstruction, Bilateral Hydronephrosis, Obstructive Uropathy, Ureteroscopy, and Prostatectomy.

Gaffar Syed is a primary care provider, practicing in Internal Medicine in Frederick, Maryland. Dr. Syed is rated as an Advanced provider by MediFind in Ureteroscopy. His top areas of expertise are Ascites, COVID-19, Multisystem Inflammatory Syndrome in Children (MIS-C), Ureteroscopy, and Hip Replacement. Dr. Syed is currently accepting new patients.

Vladimir Kakitelashvili is an Urologist in Centreville, Maryland. Dr. Kakitelashvili is rated as an Advanced provider by MediFind in Ureteroscopy. His top areas of expertise are Orchitis, Familial Prostate Cancer, Prostate Cancer, Ureteroscopy, and Prostatectomy.

Vincent Cifello is a Colorectal Surgeon in Glen Burnie, Maryland. Dr. Cifello is rated as an Advanced provider by MediFind in Ureteroscopy. His top areas of expertise are Mesenteric Venous Thrombosis, Hemorrhoids, Familial Colorectal Cancer, Hernia Surgery, and Ureteroscopy.

Joshua Wolf is a Colorectal Surgeon in Baltimore, Maryland. Dr. Wolf is rated as an Advanced provider by MediFind in Ureteroscopy. His top areas of expertise are Anal Fissure, Familial Colorectal Cancer, Colorectal Cancer, Colostomy, and Hernia Surgery.

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

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

Dr. John Migaly is a distinguished colorectal surgeon and Chief of the Division of Colorectal Surgery/Ravitch Division at Johns Hopkins Medicine. He specializes in the treatment of colorectal cancer, inflammatory bowel disease, and other benign and complex colorectal conditions. Dr. Migaly is committed to providing advanced, patient-centered care, often using minimally invasive techniques including laparoscopic and robotic surgery, to help reduce recovery time and improve outcomes. Dr. Migaly comes to Johns Hopkins Medicine from the Duke University School of Medicine, serving from 2008-2024 on the surgery faculty treating patients primarily through the Duke Cancer Institute. He was elevated to Program Director of the General Surgery Residency in 2012, and subsequently served as Vice Chair of Education until 2024. His work was critical to the success of the undergraduate, graduate, and continuing medical education missions at Duke Surgery. Dr. Migaly earned his B.A. in Biochemistry from New York University and his medical degree from the New York University School of Medicine. He completed surgical residency and a research fellowship at Temple University Health Sciences Center, and colorectal surgery fellowship at Cleveland Clinic Florida. Dr. Migaly’s career has been marked not only by a complex and high-volume clinical colon and rectal surgery practice, but also a commitment to research and education, supported by greater than 200 publications, book chapters, and presentations. His research is centered around improving practice patterns and outcomes in colorectal cancer care and recovery. His leadership and dedication to advancing the field of colorectal surgery is evident through his service on committees that shape how colorectal care is delivered nationally, via his past and present service on the Program Committee, the Clinical Practice Guidelines Committee and the Diversity and Inclusion Committee of the American Society of Colon and Rectal Surgeons. Videos John Migaly, M.D.Chief of Colorectal Surgery"". Dr. Migaly is rated as an Experienced provider by MediFind in Ureteroscopy. His top areas of expertise are Familial Colorectal Cancer, Gastroesophageal Junction Cancer, Anal Cancer, Colostomy, and Ileostomy.

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 an Experienced provider by MediFind in Ureteroscopy. Her top areas of expertise are Urinary Tract Infection in Children, Urinary Tract Infection (UTI), Urinary Incontinence, Kidney Stones, and Ureteroscopy.

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

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