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Andrés R. Riera

Andrés R. Riera, MD

Assistant Professor

Department: Medicine: Division of Gastroenterology & Hepatology

Specialties: Hepatology


  • MD - Central University of Venezuela J.M. Vargas School of Medicine (2004)
  • BS - Colegio La Salle La Colina (1994)

Memberships / Professional Affiliations

  • American Association for the Study of Liver Diseases

Other Languages Spoken


Andrés R. Riera, MD, is a hepatologist practicing in Center City Philadelphia. He is board certified in internal medicine. Before coming to Drexel, he was in private practice.

Dr. Riera’s focus is on the treatment of advanced liver disease and its complications, with a particular interest in hepatocellular carcinoma. He has participated in numerous scientific research studies specific to advancements in treating end-stage liver disease.

Clinical Services

Liver disease, Transplant hepatology


  • Hepatology Clinical Research Fellowship - Albert Einstein Medical Center (2005-2006, 2007-2008)
  • Hepatology - Hahnemann University Hospital/Drexel University College of Medicine (2013-2014)


  • Internal Medicine - Hahnemann University Hospital/Drexel University College of Medicine (2009-2012)


  • General Surgery - Albert Einstein Medical Center (2006-2007)
  • Family Medicine - University of Pittsburgh Medical Center, Mercy Hospital (2008-2009)

Andrés R. Riera, MD, is an assistant professor in the Division of Gastroenterology & Hepatology at Drexel University College of Medicine.


Long-term management of the liver transplant recipient: pearls for the practicing gastroenterologist
Oustecky DH, Riera AR, Rothstein KD
Gastroenterol Clin North Am.;40(3):659-81, Sep 2011

A global perspective on gastrointestinal diseases
Menon R, Riera A, Ahmad A
Gastroenterol Clin North Am.;40(2):427-39, ix. (Epub 2011 Apr 13) Jun 2011



"Case Report: Spontaneous Clearance of Hepatititis C Virus (HCV) After Diagnosis of Chronic HCV Infection"
Andres Riera, Vishal Patel, Kenneth Rothstein
2008 Twentieth Annual Research Recognition Week, Albert Einstein Medical Center, Philadelphia, PA. May 21, 2008

"Hepatitis C Virus (HCV) Infection Is a Protective Factor For Hepatitis B Virus Reactiviation (HBVr) After Receiving Hepatitis B Core Positive (HBcAb+) Donors for Liver Transplantation (LT)"
Mauricio Orrego, Ricardo Restrepo, Andres Riera, Barbara Aguilar, Victor Araya, Kenneth Rothstein, Manzarbeitia Cosme, Reich David, Munoz Santiago
American Association for the Study of Liver Diseases (AASLD) Meeting, November 2007

"Lymphangioleiomyomatosis Presenting as a Mesenteric Mass in a Patient With End Stage Liver Disease"
Julian Perez, Harish Iyer, Andres Riera, Kenneth Rothstein, Victor Araya, Glenn Eiger
PCIM Southeastern Regional Abstract Competition, (ACP) American College of Physicians. October 2007

"A New Liver Support Device: First Results of a Phase I Clinical Trial in Patients with Acute-on-Chronic Liver Failure"
Santiago J. Munoz, Fred Poordad, John Vierling, Elizabeth Murrin, Andres Riera, Elaine Kahaku, Jacek Rozga
American Association for the Study of Liver Diseases (AASLD) Meeting, October 2006
Abstract: Hepatology, Volume 44, Number 4, Suppl. 1 October 2006. Page 369A

Oral Presentation

"Failure to Screen for Hepatocellular Carcinoma (HCC) in Cirrhotic Patients Is Primarily Due to Non-Compliance: Experience at a High Volume Urban Hepatology Practice"
Ricardo Restrepo, Victor Araya, Andres Riera, Kenneth Rothstein, Mauricio Orrego, Santiago Munoz, Hisham Elgenaidi
Oral presentation. Digestive Disease Week Meeting, May 2007

* This physician's clinical practice is independent of Drexel University.