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Jack Chang-Chien, Feng M.D.
Attending Physician
Gastroenterology Internal Medicine
Education:
Ohio State University College of Medicine
Main Office:
Providence Health
949-364-5090
27799 Medical Center Rd. #310
Mission Viejo, CA 92691 
Clinic Intersts:
colon cancer screening, gastroesophageal reflux disorder (gerd), gastrointestinal bleeding, inflammatory bowel disease, evaluation of abdominal pain, and biliary/pancreatic diseases.
Certification: Board Certified in gastroenterology and hepatology, Internal Medicine
Hospital Affiliations:
Mission Heritage Medical Group and Affiliated Physicians
St. Joseph Heritage Medical Group and Affiliated Physicians
St. Jude Heritage Medical Group and Affiliated Physicians
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