Dr. Chang is a board-certified and fellowship-trained nephrologist. He obtained his medical degree from The Ohio State University. He completed his residency and a fellowship in nephrology at Loyola University Health System. Dr. Chang is certified by the American Board of Internal Medicine in nephrology. Dr. Chang is rated as an Advanced provider by MediFind in the treatment of Polycystic Kidney Disease. His top areas of expertise are Alport Syndrome, Chronic Kidney Disease, Polycystic Kidney Disease, Autosomal Dominant Polycystic Kidney Disease, and Kidney Transplant.

Anil Kotru, MD, is a transplant and hepatobiliary surgeon specializing in liver and kidney transplantation, as well as pediatric kidney transplants. He performs a variety of surgical procedures including gallbladder removal, liver resection, peritoneal dialysis, catheter insertion and removal, vascular access and nephrectomies.|Dr. Kotru currently leads the pediatric kidney transplant program and serves as the director of quality for transplants at Geisinger. He has been instrumental in the development of the liver transplant program at Geisinger Medical Center. He gained international attention for his groundbreaking work on the link between patient expectations and clinical outcomes in transplant surgery and is widely sought after for his expertise in new models for healthcare payments and delivery, physician engagement and leadership.|Dr. Kotru earned his medical degree from Indira Gandhi Medical College in Shimla, India. He completed his residency in general surgery at St. James’ University Hospital in Leeds, United Kingdom, followed by a fellowship in multiorgan transplant at Washington University in Saint Louis.|Dr. Kotru is a member of the patients’ affairs committee of the United Network for Organ Sharing and has completed the American Society of Transplant Surgeons’ leadership program.|He is a Fellow of the Royal College of Surgeons of England and Edinburgh and the American College of Surgeons.|In 2019, Dr. Kotru was selected for the prestigious Baldrige Performance Excellence Program in recognition of his leadership and contributions to transplant research.|Dr. Kotru is an accomplished researcher and author. He has published numerous papers, book chapters and scientific articles and sits on the review boards for leading journals in surgery and transplantation. He serves as clinical professor of surgery at the Geisinger Commonwealth School of Medicine in Scranton. Dr. Kotru is rated as an Advanced provider by MediFind in the treatment of Polycystic Kidney Disease. His top areas of expertise are Chronic Antibody-Mediated Rejection, End-Stage Renal Disease (ESRD), Polycystic Kidney Disease, Kidney Transplant, and Simultaneous Pancreas Kidney Transplant.

Dr. Singh is a board-certified and fellowship-trained nephrologist. His clinical interests include management of chronic kidney disease as well as resistant hypertension and electrolyte abnormalities; metabolic workup for kidney stones; acute intermittent and continuous renal replacement therapy; immunosuppression and post-transplant medical management of renal transplant patients; and hemodialysis and peritoneal dialysis care. His research interests include morbidity/mortality risk prediction in renal patients and effective physician/patient communication. Dr. Singh attended Government Medical College - Punjab University in India, where he earned his medical degree. He then moved to the United States, where he completed his residency and fellowship at Baystate Medical Center. Dr. Singh is certified by the American Board of Internal Medicine in nephrology. He speaks English, Hindi and Punjabi. Dr. Singh is rated as an Advanced provider by MediFind in the treatment of Polycystic Kidney Disease. His top areas of expertise are Chronic Kidney Disease, Polycystic Kidney Disease, End-Stage Renal Disease (ESRD), Autosomal Dominant Polycystic Kidney Disease, and Kidney Transplant.

Michael Marvin, MD, FACS, is a transplant and hepatobiliary surgeon specializing in liver and kidney transplantation as well as the removal of kidneys from living donors. He performs a variety of minimally invasive and open surgical procedures for conditions affecting the liver including managing liver tumors and the repair of bile duct injuries.|Dr. Marvin currently leads the liver and kidney transplant program at Geisinger Medical Center in Danville, where he oversees his patients’ care before and after surgery. Under his leadership, the transplant program has grown rapidly, and has expanded the number of insurance companies that recognize Geisinger as a Transplant Center of Excellence (e.g. Aetna and Optum). He performs all the living donor kidney recoveries for Geisinger’s growing living donor kidney transplant program.|Dr. Marvin serves as a referral source for the community for patients with liver tumors, both benign and malignant, and can address these tumors with minimally invasive techniques|Board-certified in general surgery, Dr. Marvin earned his medical degree from the College of Physicians and Surgeons at Columbia University in New York. He completed his residency in general surgery and a fellowship in transplant and hepatobiliary surgery, both at Columbia University Irving Medical Center, also in New York.|Dr. Marvin has published more than 60 papers and book chapters and serves on the review boards for leading journals in surgery and transplantation. He serves as clinical professor of surgery at the Geisinger Commonwealth School of Medicine in Scranton.|Dr. Marvin has held many leadership positions in national societies including the American Society of Transplant Surgeons, United Network for Organ Sharing and American Society of Transplantation, among others. He is also an active member of the American College of Surgeons. Dr. Marvin is rated as an Experienced provider by MediFind in the treatment of Polycystic Kidney Disease. His top areas of expertise are Polycystic Kidney Disease, Chronic Antibody-Mediated Rejection, Fibrolamellar Carcinoma, Kidney Transplant, and Liver Transplant.

Dr. Bermudez is a board-certified and fellowship-trained nephrologist. Dr. Bermudez attended the Universidad CES Escuela de Medicina, where she received her medical degree, and completed her residency at Geisinger Medical Center. She completed a fellowship in nephrology and hypertension at the Albert Einstein College of Medicine of Yeshiva University, Montefiore Medical Center. Dr. Bermudez is certified by the American Board of Internal Medicine in internal medicine and nephrology. She speaks English and Spanish. Dr. Bermudez is rated as an Experienced provider by MediFind in the treatment of Polycystic Kidney Disease. Her top areas of expertise are End-Stage Renal Disease (ESRD), Renovascular Hypertension, Acute Kidney Failure, Chronic Kidney Disease, and Kidney Transplant.

Duane Donmoyer is a primary care provider, practicing in Family Medicine in Shamokin, Pennsylvania. Dr. Donmoyer is rated as an Experienced provider by MediFind in the treatment of Polycystic Kidney Disease. His top areas of expertise are Maturity Onset Diabetes of the Young, Type 2 Diabetes (T2D), Alzheimer's Disease, and Intertrigo.