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Gastroenterology

Allan Effron MD

Specialty:

Dr. Effron is a seasoned gastroenterologist and has been practicing in Orange County for over 40 years. He also speaks fluent German, Spanish, and Yiddish. Dr. Effron is available for appointments at Caduceus Specialty in Yorba Linda and Caduceus Jamboree in Irvine.

Amer Rayyes, MD

Amer Rayyes, MD

Specialty:

He completed medical school at the American University of Beirut, in Lebanon, and did his internship and residency at St. Luke's Hospital Center in New York. He completed a fellowship in Gastroenterology at Peter Bent Brigham Hospital in Boston, Massachusetts. He has been certified in both Internal Medicine and Gastroenterology by the American Board of ... read more