Dr. Ronald Lee Koretz MD Gastroenterologist

Dr. Ronald Koretz is a gastroenterologist in Sylmar, California and is affiliated with Ronald Reagan University of California Los Angeles Medical Center. He received his medical degree from David Geffen School of Medicine at UCLA and has been in practice for 39 years. He is one of 74 doctors at Ronald Reagan University of California Los Angeles Medical Center who specialize in Gastroenterology.

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Office Location

See Contact Information

Specialty & Clinical Interests

Gastroenterologist: General Gastroenterology

Hospital Affiliation

Ronald Reagan University of California Los Angeles Medical Center
Ranked #8 in Gastroenterology & GI Surgery

Education & Medical Training

UCLA Medical Center
Residency, Internal Medicine, 1972 - 1974

VA Greater Los Angeles Healthcare System
Residency, Internal Medicine, 1971 - 1972

University of Minnesota at Fairview
Residency, Internal Medicine, 1967 - 1969

David Geffen School of Medicine at UCLA
Class of 1967

Certifications & Licensure

American Board of Internal Medicine
Certified in Gastroenterology

American Board of Internal Medicine
Certified in Internal Medicine

CA State Medical License
Active through 2014

Publications & Presentations

Interferon for hepatitis C: where it has been and where it is going.
Koretz, R. L.

The presence and effect of bias in trials of early enteral nutrition in critical care.
Koretz, R. L.,Lipman, T. O.

Interferon for interferon nonresponding and relapsing patients with chronic hepatitis C.
Koretz, R. L.,Pleguezuelo, M.,Arvaniti, V.,Barrera Baena, P.,Ciria, R.,Gurusamy, K. S.,Davidson, B. R.,Burroughs, A. K. 2013 2 27

See all 155 publications
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