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Internal Medicine - Gastroenterology

Internal Medicine

Division of
Digestive Diseases
and Nutrition


Luis R. Peņa, M.D.

Board Certifications

Internal Medicine, American Board of Internal Medicine, 1997, 2007
Gastroenterology, American Board of Internal Medicine, 1999, 2009


Francisco Marroquin University School of Medicine
Guatemala City, Guatemala 1987

Francisco Marroquin University School of Medicine
Guatemala City, Guatemala 1991

Post-Graduate Education

Herrera Llerandi Hospital
Francisco Marroquin University
Guatemala City, Guatemala

Internal Medicine
University of Kentucky
Lexington, KY, USA

Internal Medicine
University of Kentucky
Lexington, KY, USA

University of Kentucky
Lexington, KY, USA


English, Spanish

Professional Memberships

American College of Gastroenterology (1999-present); Fellow (2003-present)
American Gastroenterological Association (1999-present); Fellow (2009-present)
American Society of Gastrointestinal Endoscopy (1999-present)
Kentucky Society for Gastrointestinal Endoscopy (President 2003-2004)
Guatemalan College of Physicians and Surgeons (1991-present)

Clinical Interests and Expertise

Biliary/Pancreatic Endoscopy
Hepatitis C
Endoscopic Therapy of Barrett Esophagus

Research Interests

Endoscopic Outcomes
Capsule Endoscopy
Viral Hepatitis

Representative Publications

Bosch A, Peņa LR: The Sphincter of Oddi, Review Article. Dig Dis Sci.2007: 52(5):1211-8.

Peņa LR, Mardini H, Nickl N: An Instrument to Predict Endoscopy Tolerance: A Prospective Randomized Study. Dig Dis Sci. 2007:52(10):2888-91.

Sifford M, Koch A, Lee E, Peņa LR:  Abnormal Liver Tests as an Initial Presentation of Celiac Disease. Dig Dis Sci, 2007; 52(11):3016-8.

Peņa L, Cox T, Koch A, Bosch A: Study comparing oesophageal capsule endoscopy versus EGD in the detection of of varices, Dig Liver Dis. 2008;40(3):216-23.

Knopp T, Mardini HE, Peņa LR: Wireless Capsule Endoscopy Indication as a Predictor of Study Quality. Dig Dis Sci. 2008; 53(7): 1898-901.

Horn T, Reynolds J, de Villiers W, Peņa LR: Hepatitis C Virus and Inflammatory Bowel Disease. Dig Dis Sci. 2008 Oct 31. [Epub ahead of print]PMID: 18975088.

Peņa LR, Horn TL, CB Cross: Acute pancreatitis secondary to hemobilia after percutaneous liver biopsy. Accepted for publication, Therapeutic Advances in Gastroenterology, 2009.

More Publications on PubMed

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