Search the Health Library
Get the facts on diseases, conditions, tests and procedures.
I Want To...
Find a Doctor
Find a doctor at The Johns Hopkins Hospital, Johns Hopkins Bayview Medical Center or Johns Hopkins Community Physicians.
I Want To...
Find Research Faculty
Enter the last name, specialty or keyword for your search below.
Johns Hopkins University School of Medicine
Robert Montgomery M.D., Ph.D.
Robert A. Montgomery, M.D., Ph.D., is the inaugural recipient of the Margery K. and Thomas Pozefsky Professorship in Kidney Transplantation. He is an associate professor of surgery, director of the Incompatible Kidney Transplant Program, chief of the Division of Transplantation, and director of the Comprehensive Transplant Center at The Johns Hopkins University and Hospital. He received his medical degree with honor from the University of Rochester School of Medicine, and his Ph.D. in molecular immunology from Balliol College, The University of Oxford, England. Montgomery completed his general surgical training, multiorgan transplantation fellowship and postdoctoral fellowship in human molecular genetics at Johns Hopkins. Montgomery has been involved in the development of innovative approaches to expanding live donor renal transplantation, including the laparoscopic donor nephrectomy, positive crossmatch and ABO incompatible transplantation, paired kidney exchange and altruistic donor programs. His other clinical interests include the use of expanded-criteria donors and pulsatile perfusion pumping to preserve and rescue organs that previously were not used for transplantation.
Dorry Segev, M.D.
Dorry Segev is an assistant professor of medicine at the Johns Hopkins University School of Medicine. During his training at Johns Hopkins over the past 14 years, Segev has made numerous, significant contributions, including development of a mathematical model to facilitate a nationwide paired kidney exchange program. Segev’s research focuses on medical data modeling and simulation, analysis of large health care data sets and clinical study. His clinical focus is on incompatible organ transplantation as well as kidney and liver transplantation.
Andrew L. Singer, M.D., Ph.D.
Andrew L. Singer is an assistant professor of surgery and surgical director of kidney transplantation at The Johns Hopkins University and Hospital. He received his medical degree with honor as well his Ph.D. in Immunology from the University of Pennsylvania. Singer completed his general surgical training and a fellowship in multiorgan transplantation at The Johns Hopkins Hospital. He has participated in efforts to expand live-donor renal transplants, including paired kidney exchange and desensitization strategies. His basic science research focuses on molecular mechanisms of alloreactivity and novel strategies for immune modulation.
Mohamad Allaf, M.D.
Mohamad Allaf is an assistant professor of urology and biomedical engineering at Johns Hopkins’ Brady Urological Institute and director of minimally invasive and robotic surgery at The Johns Hopkins Hospital. He joined the faculty after receiving his undergraduate and medical degrees from The Johns Hopkins University its School of Medicine, respectively and completing his residency and advanced training in urology at Johns Hopkins. His main clinical interest is the treatment of kidney tumors and prostate cancer with the least morbidity possible. He specializes in the management of kidney tumors via laparoscopic (total and partial kidney removal) and percutaneous (nonsurgical) approaches. He also has an interest in the careful and active observation of select small kidney tumors.
INTEGRIS Baptist Medical Center
Scott Samara M.D.
Scott Samara has served as surgical director for the Nazih Zuhdi Transplant Institute at Integris Baptist Medical Center from its inception. Samara received his medical degree from the University of Oklahoma College of Medicine in 1968. After completing his residency in urology at Wayne State University in Detroit, Mich., Samara began his career in the Department of Urology at the University of Oklahoma in 1973 as an assistant clinical professor. He was promoted to associate clinical professor in 1980 and full clinical professor in 1986. As director of kidney transplantation from 1973 to 1980, chief of the kidney transplant section from 1980 to 2006, and the chief of the pediatric transplant section from 1976 to 2007, Samara was an integral part of kidney transplantation at the University of Oklahoma Health Science Center.
Shea Samara M.D.
Shea Samara joined INTEGRIS Baptist Medical Center in 2008 as an associate kidney transplant surgeon for the Nazih Zuhdi Transplant Institute. Samara is a graduate of the University of Oklahoma College of Medicine and completed his internship in general surgery and residency in urology at the University of Oklahoma.
William Miller, M.D.
William Miller is board certified by the American Board of Urology. He earned his medical degree at the University of Oklahoma College of Medicine, and completed his internship and residencies in general surgery and urology at the University of Oklahoma Health Sciences Center.
Barnes-Jewish Hospital/Washington University School of Medicine
Surendra Shenoy, M.D., Ph.D.
Surendra Shenoy is the surgical director of the Living-Donor Kidney Transplant Program at Barnes-Jewish Hospital. Shenoy joined the staff as a transplant surgeon for the liver and kidney transplant programs at Barnes-Jewish and St. Louis Children’s Hospitals in 1993 after completing a fellowship in adult and pediatric transplantation at Washington University School of Medicine. He earned his medical degree from Kasturba Medical College, Mangalore University, India, where he also completed his residency. Shenoy earned his Ph.D. at the All India Institute of Medical Sciences in Delhi, India.
Martin Jendrisak, M.D.
Martin Jendrisak is the surgical director of kidney transplantation at Barnes-Jewish Hospital. A graduate of Ohio State University College of Medicine, Jendrisak completed his residency and fellowship in transplant surgery and a research fellowship in immunology at Washington University School of Medicine. He then served as an attending surgeon on the transplant service at Barnes-Jewish.