Dr. Mohamad Allaf is Professor of Urology and Oncology, as well as Director of the Department of Urology and the Brady Urological Institute and Urologist-in-Chief of the Johns Hopkins Hospital. Dr. Allaf is a world renowned surgeon-scientist having performed more than 2,000 robotic procedures and published over 250 peer reviewed research papers in the field's best journals. As one of the busiest robotic radical prostatectomy surgeons in the world, he aims to achieve the best outcomes for his patients. Having trained with Dr. Patrick Walsh, Dr. Allaf has used Dr. Walsh's method of radical prostatectomy as the basis for his own anatomic method to this complex operation. Dr. Allaf is also amongst the leaders in kidney cancer surgery, having served on the American Urological Association Guideline Committee for Kidney Cancer. He led a team who performed the rigorous analysis to help inform the most recent guidelines that was funded by the Agency for Healthcare Research and Quality (AHRQ). He is best known for his ability to save the kidney and remove the tumor in patients with kidney tumors. Dr. Allaf runs a research endeavor aiming to decrease the morbidity associated with the treatment of cancer, and he has mentored numerous leaders in academic urology. He is actively involved in fund raising for research and education, and believes in expanding our base of support in order to advance our important mission. Dr. Allaf is rated as an Elite provider by MediFind in Nephrectomy. His top areas of expertise are Renal Cell Carcinoma (RCC), Renal Oncocytoma, Prostate Cancer, Nephrectomy, and Prostatectomy.

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

Mark Ball is a Plastic Surgeon and an Urologist in Bethesda, Maryland. Dr. Ball is rated as an Elite provider by MediFind in Nephrectomy. His top areas of expertise are Von Hippel-Lindau (VHL) Syndrome, Renal Cell Carcinoma (RCC), Renal Oncocytoma, Nephrectomy, and Prostatectomy.

Michael Gorin is an Urologist in Cumberland, MD. Dr. Gorin is rated as an Elite provider by MediFind in Nephrectomy. His top areas of expertise are Renal Oncocytoma, Prostate Cancer, Renal Cell Carcinoma (RCC), Nephrectomy, and Prostatectomy.

Arvin K. George, MD, is a urologic surgeon specializing in the diagnosis and management of genitourinary cancers, with particular sub-specialization in kidney and prostate cancers. His clinical interests and expertise are in image-guided therapeutics, and minimally-invasive ablative/surgical techniques for prostate and kidney cancer. These include laparoscopic and robotic surgery, in addition to cryoablation, high-intensity focused ultrasound ablation, nanoparticle directed laser ablation, laser interstitial thermal therapy, and bipolar radiofrequency ablation. Dr. George obtained his medical degree from the Royal College of Surgeons in Ireland, followed by a urology residency at the Smith Institute for Urology, Hofstra North Shore-LIJ School of Medicine. He remained to complete his endourology/minimally-invasive and robotic surgery fellowship in New York gaining additional subspecialty expertise in robotic, laparoscopic, and percutaneous surgery. Subsequently, he completed a urologic oncology fellowship at the National Cancer Institute, National Institutes of Health. He then joined the clinical facility at the University of Michigan, Ann Arbor, where he directed the Prostate Cancer Programs from 2019 through 2023. Dr. George participates extensively in the discovery of urologic science and evaluation of urologic care and has co-authored over 80 peer reviewed publications. Additionally, he has authored 11 chapters in medical education books. Dr. George sees patients in clinic throughout the Baltimore region and also is available for virtual appointments for patients in Maryland, Washington D.C., New York and Michigan. Dr. George is rated as a Distinguished provider by MediFind in Nephrectomy. His top areas of expertise are Prostate Cancer, Renal Cell Carcinoma (RCC), Familial Prostate Cancer, Prostatectomy, and Nephrectomy.

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 Nephrectomy. His top areas of expertise are Prostate Cancer, Kidney Stones, Boils, Prostatectomy, and Nephrectomy.

Dr. Max Kates is the R. Christian B. Evensen Professor and an associate professor of urology and oncology at the Brady Urological Institute at Johns Hopkins. He also directs the Division of Urologic Oncology for the Brady Urological Institute. Dr. Kates completed his undergraduate degree at Wesleyan University in Connecticut before pursuing his medical degree at Mount Sinai School of Medicine in New York. He then went on to train at Johns Hopkins for his urologic residency and Society of Urologic Oncology (SUO) fellowship. Dr. Kates has expertise in all areas of urologic oncology, with a particular emphasis on bladder and prostate cancer. With training in open, endoscopic, and robotic surgical approaches, Dr. Kates’ surgical philosophy is to assess the unique needs of each patient, and develop the right treatment plan for their malignancy. He is very hands on in his approach in the clinic and the operating room, and believes open communication with the patient, the patient’s family, and referring providers is key to ensuring a speedy recovery. As the clinical director of the bladder cancer multidisciplinary clinic, Dr. Kates works with the team at the Johns Hopkins Greenberg Bladder Cancer Institute to deliver a personalized approach to bladder cancer utilizing cutting edge precision medicine approaches. Dr. Kates’ research interests involve novel treatments for cancers of the urinary tract. Dr. Kates has authored more than 135 journal articles in the fields of bladder, prostate, and kidney cancer. He currently has a provisional patent for a novel intravesical chemotherapy developed with nano-engineer collaborators. Additionally, Dr. Kates has made important discoveries into the mechanism of action of intravesical BCG, the most common treatment for bladder cancer. He is the principal investigator on multiple trials, and is currently leading EA8212 BRIDGE, which is a randomized trial open in over 150 centers in the United States comparing BCG to GemDoce chemotherapy for early stage bladder cancer. To inquire about an appointment or make a referral, Dr. Kates can be contacted by phone (410) 614-0009. Dr. Kates is rated as a Distinguished provider by MediFind in Nephrectomy. His top areas of expertise are Bladder Cancer, Urothelial Cancer, Muscle Invasive Bladder Cancer, Cystectomy, and Nephrectomy.

Dr. Christian Pavlovich is Bernard L. Schwartz Distinguished Professor in Urologic Oncology at the Johns Hopkins University School of Medicine and Director of the Prostate Cancer Active Surveillance Program at the Brady Urological Institute. Dr. Pavlovich treats cancer with an emphasis on minimizing morbidity and maximizing quality of life while offering patients the latest treatment options and techniques. His clinical focus is on prostate and kidney cancer, and on clinical trials regarding detection, surveillance, and immunotherapy. With more than 20 years of experience with minimally-invasive surgery for the treatment of urologic cancers, he is expert in robotic surgery and was named one of the top prostate cancer surgeons in the United States by Newsweek in 2024. In addition, he offers patients modern diagnostic biopsy techniques, and for prostate cancer patients active surveillance and ablative options including cryotherapy and TULSA. Dr. Pavlovich grew up in Washington DC, went to Harvard University, and then earned his medical degree at the University of California, San Francisco (UCSF) School of Medicine. He then completed a urology residency at New York Hospital-Cornell Medical Center and a National Cancer Institute SUO fellowship in urologic oncology before joining the Hopkins faculty in 2001. Dr. Pavlovich has published over 150 peer-reviewed articles, is Associate Editor of The Prostate and is on the Editorial Board of the British Journal of Urology International. He was the inaugural Director of the Brady Urological Institute’s SUO Urologic Oncology Fellowship (2014 -2024) and is the recipient of three “best teaching/research mentor” awards from the Urology residents at Johns Hopkins. Dr. Pavlovich speaks English, French, Spanish, German, and Serbo-Croatian. He enjoys spending time with his wife and children, following their pursuits, and skiing, diving, running, wildlife, and the great outdoors. Dr. Pavlovich is rated as an Advanced provider by MediFind in Nephrectomy. His top areas of expertise are Prostate Cancer, Familial Prostate Cancer, Renal Cell Carcinoma (RCC), Prostatectomy, and Nephrectomy.

Dr. Herati is a urologist with fellowship training in male infertility and andrology. He has specialized training to perform complex reconstructions of the reproductive system, including vasectomy reversal with vasovasostomy and vasoepididymostomy. Additionally, he has an interest in treating patients with chronic prostatitis and pelvic pain, as well as patients experiencing low testosterone, erectile dysfunction, Peyronie’s disease and benign prostatic hyperplasia (BPH). Of note, he has the ability to perform fertility treatments on patients who have experienced spinal cord injuries using nonsurgical methods of sperm extraction. Dr. Herati believes in an individualized approach to care that addresses the whole patient. He invests significant time into building a rapport with his patients so that they feel comfortable opening up about these issues, allowing him to accurately identify and manage each patient’s needs. His research interests include decoding the genetic basis of male infertility, investigating the impact of referred pain from peripheral nerves to the bladder, and characterizing the effects of low testosterone on prostate inflammation and PSA screening. Dr. Herati sees patients at both the Johns Hopkins Hospital and The Johns Hopkins Bayview Medical Center. Videos Amin Herati, M.D.Urologist. Dr. Herati is rated as an Advanced provider by MediFind in Nephrectomy. His top areas of expertise are Enlarged Prostate (BPH), Varicocele, Hypogonadism, Nephrectomy, and Prostatectomy.

I am medical oncologist dedicated to the care of patients with genitourinary malignancies. My clinical and research focus is on the management of renal cell carcinoma (RCC). I have completed Medical Oncology Higher Specialist Training with Royal College of Physicians in Ireland and subsequently completed Advanced Medical Oncology Fellowship at the Memorial Sloan Kettering Cancer Center in New York. Dr. Ged is rated as an Advanced provider by MediFind in Nephrectomy. His top areas of expertise are Renal Cell Carcinoma (RCC), Chromophobe Renal Cell Carcinoma, Familial Wilms Tumor 2, Nephrectomy, and Thrombectomy.

Dr. Michael A. Carducci is the AEGON Professor in Prostate Cancer Research at the Johns Hopkins University School of Medicine. He serves as the Vice Chair of Solid Tumor Oncology in the Department of Oncology. Dr. Carducci has an expertise in various types of cancer including prostate, kidney, and testicular. He also has an expertise in clinical trials, pain and palliative care for oncology, urological oncology, urology and medical oncology. A graduate of Georgetown University, Dr. Carducci received his medical degree with high distinction from Wayne State University School of Medicine. He completed an internal medicine internship, residency and chief residency at the University of Colorado Health Sciences Center. He went on to complete medical oncology and research fellowships at the Johns Hopkins Oncology Center at Johns Hopkins Hospital. He was promoted to Professor of Oncology and Urology in 2008 and installed into the inaugural AEGON Professorship in Prostate Cancer Research in 2009. He served as Co-Director of the GU Oncology program until 2013. In 2013, he assumed the leadership role of Associate Director for Clinical Research until being named Vice-Chair of Solid Tumor Oncology in 2024. A fellow of the American College of Physicians and a fellow of the American Society of Clinical Oncology, Dr. Carducci has received peer-reviewed funding for his clinical research from the National Cancer Institute, Department of Defense, and the Prostate Cancer Foundation. Mentorship of students, fellows, and junior faculty has been another focus of Dr. Carducci’s career in medicine, receiving numerous teaching awards. Dr. Carducci received the Michaele Christian Award and Lectureship for Oncology Drug Development at the National Cancer Institute in 2011. He chaired the Genitourinary Oncology Committee of ECOG-ACRIN from 2011-2024. In this role, he served on the GU Steering Committee for the NCI. Dr. Carducci is a member of the Investigational Drug Steering Committee for the NCI, and chaired that Committee for four years. He served as Associate Editor for GU Cancers for the Journal of Clinical Oncology from 2013-2024. Overall, his clinical research focus is on the development and evaluation of new therapies for urologic cancers. Incorporation of pharmacodynamics, novel biomarkers, and targeted imaging has been key elements of many of the trials led by Dr. Carducci. To complete these studies, Dr. Carducci facilitates and brings together a multidisciplinary team from urologists, radiation oncologists, pathologists, biostatisticians, and medical oncologists. Other areas of interest include palliative and end of life care, survivorship, and use of patient reported outcomes in clinical research and care. This provider is registered with the Florida Department of Health to perform telehealth services for patients in Florida. Dr. Carducci is rated as an Advanced provider by MediFind in Nephrectomy. His top areas of expertise are Prostate Cancer, Chromophobe Renal Cell Carcinoma, Renal Cell Carcinoma (RCC), Hormone Replacement Therapy (HRT), and Orchiectomy.

Courtenay Holscher, M.D., Ph.D. is a vascular surgeon in Baltimore, MD at Johns Hopkins Bayview Medical Center, and an Assistant Professor of Surgery at the Johns Hopkins University School of Medicine. Dr. Holscher performs all vascular and endovascular surgical procedures, but has a special interest in limb preservation and peripheral arterial disease and taking a patient-centered approach to treatment and management. Dr. Holscher earned her medical degree at the University of Colorado School of Medicine. She completed a residency in general surgery followed by a fellowship in vascular surgery and endovascular therapy at the Johns Hopkins University School of Medicine. During her general surgery residency, Dr. Holscher received a Ph.D. in Clinical Investigation from the Johns Hopkins Bloomberg School of Public Health. Videos Meet Our Experts - Dr. Courtenay Holscher. Dr. Holscher is rated as an Advanced provider by MediFind in Nephrectomy. Her top areas of expertise are Carotid Artery Disease, Thoracic Outlet Syndrome, Peripheral Artery Disease, Kidney Transplant, and Nephrectomy.

Daniel C. Brennan, M.D., joins the Johns Hopkins Division of Renal Medicine as professor of nephrology and medical director of the Comprehensive Transplant Center. Dr. Brennan’s areas of clinical expertise include transplant nephrology and renal disease. Prior to joining Johns Hopkins, Dr. Brennan was the Alan A. and Edith L. Wolff Professor of renal Diseases at Washington University and the Director of Transplant Nephrology at the Washington University School of Medicine. He received his undergraduate degree from Cornell College and earned his medical degree at the University of Iowa, where he completed a residency in internal medicine. He then completed research and clinical nephrology fellowships at Brigham & Women’s Hospital/Harvard Medical School. Dr. Brennan holds professional memberships at various organizations, including the American College of Physicians, the International Society of Nephrology, the American Society of Nephrology, The Transplantation Society, the American Society of Transplant Physicians and the American Society of Clinical Investigation. Dr. Brennan is rated as an Advanced provider by MediFind in Nephrectomy. His top areas of expertise are Chronic Kidney Disease, Cytomegalovirus Infection, Cytomegalic Inclusion Disease, Kidney Transplant, and Pancreas Transplant.

Dr. Misop Han is David Hall McConnell Professor of Urology and Oncology at the Johns Hopkins School of Medicine. Dr. Han is a urologist whose main clinical focus is in urological oncology with a special emphasis on prostate and kidney cancers. He specializes in robotic nerve-sparing prostatectomy and robotic nephrectomy. Dr. Han received his undergraduate and medical degrees at Johns Hopkins. After an internship in surgery and residency in urology, also at Johns Hopkins, he worked as faculty at Northwestern University and Hospital in Chicago, Illinois. In 2006, he joined the Johns Hopkins faculty. His research interests include the outcome of radical prostatectomy, medical robotics and prediction modeling (what happens to men following surgery for prostate cancer). He has published extensively in these subjects and has received international and national recognition for his research. He is actively involved in several clinical research projects with the database of more than 20,000 men who received surgery for prostate cancer at The Johns Hopkins Hospital. He is a member of the American Urological Association and the American Medical Association. Dr. Han is rated as an Advanced provider by MediFind in Nephrectomy. His top areas of expertise are Prostate Cancer, Ureterocele, Familial Prostate Cancer, Prostatectomy, and Nephrectomy.

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

Dorry Segev is a General Surgeon in Baltimore, Maryland. Dr. Segev is rated as a Distinguished provider by MediFind in Nephrectomy. His top areas of expertise are End-Stage Renal Disease (ESRD), Liver Failure, Hyperparathyroidism, Kidney Transplant, and Liver Transplant.

Sandeep Gurram is an Urologist in Bethesda, Maryland. Dr. Gurram is rated as a Distinguished provider by MediFind in Nephrectomy. His top areas of expertise are Von Hippel-Lindau (VHL) Syndrome, Prostate Cancer, Renal Cell Carcinoma (RCC), Nephrectomy, and Prostatectomy.

Michael Phelan is an Urologist and a General Surgeon in Baltimore, Maryland. Dr. Phelan is rated as a Distinguished provider by MediFind in Nephrectomy. 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.

Chandra Bhati is a Transplant Surgeon and a General Surgeon in Baltimore, Maryland. Dr. Bhati is rated as a Distinguished provider by MediFind in Nephrectomy. His top areas of expertise are Liver Failure, Chronic Antibody-Mediated Rejection, Non-Alcoholic Fatty Liver Disease, Liver Transplant, and Kidney Transplant. Dr. Bhati is currently accepting new patients.