Hepatologists

Santiago J Munoz, MD, FACP, FACG, FAASLD

Medical Director, Liver Transplant and Center for Liver Disease, Tower Health Transplant Institute The Donald Berkowitz Professor of Medicine, Drexel University College of Medicine

Dr. Munoz has been practicing academic hepatology in the Philadelphia area for more than three decades. He trained at Johns Hopkins University School of Medicine and specializes in the diagnosis and treatment of a broad spectrum of liver diseases. Dr. Munoz developed a first-class Liver Failure Unit before coming to Tower Health. He developed and led several university-based liver transplant programs in the Philadelphia area. Dr. Munoz has published over 300 scientific papers and written many book chapters in liver disease. Dr. Munoz has been selected 10 times as a Top Doctor in Philadelphia, and he frequently lectures nationally and abroad. In addition to being certified by the American Board of the Internal Medicine, Dr. Munoz is certified by the subspecialty Board of Gastroenterology and Transplant Hepatology. 
 

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Eyob L Feyssa, MD, MPH, FACP

Hepatologist, Tower Health Transplant Institute

Dr. Feyssa has been practicing hepatology in the Philadelphia area for the past decade. He specializes in the treatment of cirrhosis, hepatitis, liver transplant, and liver tumors. He is board certified by the American Board of Internal Medicine and Dr. Feyssa is also board certified by the American Board of Obesity Medicine.

He earned his medical degree from Jimma Institute of Health Sciences, Ethiopia and completed an Internal Medicine Residency at Harbor Hospital. Dr. Feyssa completed a Hepatology Fellowship at University of Medicine and Dentistry of New Jersey.

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Vishal Patel, MD

Hepatologist, Tower Health Transplant Institute

Dr. Patel has been practicing hepatology in the Philadelphia area for the past decade. He specializes in treating patients with cirrhosis and complications of portal hypertension, including pre and post liver transplant care, including pre and post-transplant care, hepatocellular carcinoma (HCC), viral and autoimmune hepatitis, obesity, and fatty liver disease. In addition to being certified by the American Board of Internal Medicine, Dr. Patel is also board certified by the American Board of Obesity Medicine. He has participated in several clinical trials for the treatment of NASH (Non-Alcoholic SteatoHepatitis) Hepatitis C and liver failure.

He earned his medical degree from St. George’s University, Grenada, West Indies and completed an Internal Medicine Residency at Lehigh Valley Hospital. Dr. Patel completed a Hepatology Fellowship at the Albert Einstein Medical Center and a Gastroenterology Fellowship at Drexel University College of Medicine.

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Andres R Riera, MD

Hepatologist, Tower Health Transplant Institute

Dr. Riera’s focus is on the treatment of advanced liver disease and its complications, with an interest in hepatocellular carcinoma and viral hepatitis. He has participated in numerous scientific advancements in treating end stage liver disease. Dr. Riera completed his medical degree at the J.M. Vargas School of Medicine at the Central University of Venezuela and his residency in Internal Medicine and fellowship in Hepatology at Hahnemann University Hospital, Drexel University College of Medicine. He is certified by the American Board of Internal Medicine and fluent in Spanish and English.

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Transplant Surgeons

David J Reich, MD, FACS

Medical Director, Tower Health Transplant Institute System Chief, Multiorgan Transplant and Hepatobiliary Surgery, Tower Health Professor of Surgery, Drexel University College of Medicine

David Reich, MD, FACS, is an internationally recognized leader in organ transplant and hepatobiliary (HPB) surgery, He specializes in liver and kidney transplant, complex liver surgery, treatments for liver tumors, and transplant of high-risk patients.

Dr. Reich has expertise as a clinician, administrator, educator and scientist. He has published extensively and lectured internationally regarding research initiatives and clinical care. He is investigating innovative technologies for organ preservation, including machine perfusion of donor organs. He is an authority on a wide spectrum of healthcare governance and practice, including quality improvement, practice standards, healthcare economics, value-based care, strategic development, leadership development, legislative and regulatory advocacy, and medical education and training.

Dr. Reich serves in numerous national leadership roles, including as immediate past treasurer of the United Network for Organ Sharing (UNOS, 2017-2019); UNOS manages the U.S. organ transplant network by contract with the federal government. He has been a member of the UNOS Board of Directors, chaired the Finance Committee and the Information Technology Committee, served on the Executive Committee, Corporate Affairs Committee, Membership and Professional Standards Committee and Liver and Intestinal Organ Transplant Committee, and was councilor for Region 2. Dr. Reich is chair of the Quality and Pay Reform MACRA Task Force and past chair of the Standards Committee and of the Legislative Committee of the American Society of Transplant Surgeons. He is an Associate Editor of Clinical Transplantation and was a member of the Editorial Board of Liver Transplant.

Dr. Reich is certified by the American Board of Surgery and is a Fellow of the American College of Surgeons. He received his bachelor’s degree from Columbia University and medical degree from McGill University. He performed his surgical residency at Beth Israel Medical Center and completed his American Society of Transplant Surgeons approved Multiorgan Transplant and HPB Surgery Fellowship at the renowned Mount Sinai Recanati/Miller Transplant Institute in New York City. He has practiced surgery in Philadelphia since 1996. He is a Castle Connolly and Philly Magazine "Top Doc," featured 2010 - 2019.

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Gary Xiao, MD, FACS

Transplant Surgeon, Tower Health Transplant Institute Assistant Professor, Drexel University College of Medicine

Gary Xiao, MD, FACS specializes in liver and kidney transplant and hepato-pancreato- biliary surgery. He is highly experienced in laparoscopic and open liver resection, liver tumor ablation and pancreatic surgery and resection, especially in very complicated and challenging cases.

Dr. Xiao is a United Network for Organ Sharing-certified laparoscopic living donor nephrectomy surgeon. He is an American Society of Transplant Surgeons certified liver, kidney and pancreas transplant surgeon. He serves on the Regulatory and Reimbursement Committee of the American Society of Transplant Surgeons.

Dr. Xiao is also certified by the American Board of Surgery and is a Fellow of the American College of Surgeons. He has conducted pivotal clinical and translational research on liver cancer and published and lectured internationally.

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Stephen R Guy, MD, FACS

Transplant Surgeon, Tower Health Transplant Institute Associate Professor, Drexel University College of Medicine

Stephen Guy, MD, FACS, is a kidney and liver transplant surgeon with over 25 years of experience specializing in multi-organ transplant. He was instrumental in developing laparoscopic living donor nephrectomy for kidney transplant, a minimally invasive surgery for individuals donating a kidney. Dr. Guy is also experienced in transplant of high-risk patients, long-term healthcare following transplant, and laparoscopic surgeries.

Before coming to Tower Health, Dr. Guy developed and led several liver and kidney transplant programs in the Philadelphia area. He serves on the medical advisory board of the Gift of Life Donation Program and has recently served, at the national level, on the Kidney Committee of UNOS.

Dr. Guy is also active internationally. He and his team have initiated several renal transplant programs in developing countries that had no previous transplant programs and limited dialysis. He has published in peer review journals on these international surgical missions.

He earned his medical degree from Boston University and completed a Residency and Internship in Surgery at Beth Israel Medical Center, where he was also named Chief Resident in Surgery. Dr. Guy completed a Fellowship in Transplantation at Mount Sinai Medical Center.

Dr. Guy is certified by the American Board of Surgery and is a Fellow of the American College of Surgeons.

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