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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.

Essam Quraishi MD- GI Yorba Linda

Male GI physician in scrubs with stethoscope smiling in headshot

Specialty:

Dr. Essam Quraishi is a GI physician (gastroenterology) in Yorba Linda at Caduceus Specialty. He graduated from medical school at Deccan College of Medical Sciences in Hyderabad, India. He completed his Internal Medicine residency from Henry Ford Hospital, Detroit. He joined his fellowship in gastroenterology at Henry Ford Hospital, Detroit in 2005. He has been ... read more

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
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