Elmer Y. Chang, MD

4.9 out of 5 (107 Ratings)
Specialty
  • Gastroenterology
    (Board Certified)
Additional Language Spoken
Mandarin Chinese, Taiwanese
Address
27871 Medical Center Dr.
Suite 200
Mission Viejo, CA 92691

Primary Office

Address
27871 Medical Center Dr.
Suite 200
Mission Viejo, CA 92691
Get Directions
Phone
(949) 364-5090
Fax
(949) 364-5427

Secondary Office

Address
St. Joseph Health Medical Group
1476 Professional Dr.
Suite 504

More Information

Medical Groups & Affiliations
  • Mission Heritage Medical Group
  • Mission Hospital Affiliated Physicians
  • Meet The Doctor

    Specialties & Education

    Primary Specialties
    • Gastroenterology
      (Board Certified)
    Education & Training
    • Medical School
      Northwestern University School of Medicine
    • Internship
      Baylor College of Medicine- Houston, TX
    • Residency
      Baylor College of Medicine- Houston, TX
    • Fellowship
      UCSF Medical Center at Parnassus - 2008
    • Fellowship
      UCLA Medical Center - 2007
    Awards
    National Institute of Health Grant Crohn's and Colitis Foundation of America Grant
  • Biography

    Biography

    Biography

    Dr. Chang is a Board Certified Gastroenterologist who specializes in the evaluation and management of disorders of the gastrointestinal tract, pancreas, bile duct, and liver.

    He performs upper endoscopy and colonoscopy to screen for, diagnose, and treat a variety of gastrointestinal diseases and cancers.

    He also has expertise in several advanced endoscopic techniques including endoscopic retrograde cholangiopancreatography (ERCP), a procedure that is used to manage stones, strictures, and malignant obstruction of the bile duct. He is fluent in English, Mandarin, and Taiwanese.

    Dr. Chang graduated with degrees in molecular biology and economics from the Northwestern University, and received his medical degree from the Northwestern University Medical School. After finishing residency training in Internal Medicine from the Baylor College of Medicine, he completed a fellowship in gastroenterology and hepatology at the UCLA School of Medicine.

    During his fellowship, Dr. Chang was recruited into the Specialty Training and Advanced Research program at UCLA, where he conducted research in gut immunity and inflammatory bowel disease. In recognition of this research, he was granted a philosophical doctorate degree from the Department of Microbiology, Immunology, and Molecular Genetics at UCLA.

    He also received several awards for this work, including grants from the National Institute of Health and the Crohn's and Colitis Foundation of America.

    Following his fellowship training at UCLA, Dr. Chang pursued another year of advanced endoscopic fellowship at the UCSF School of Medicine, where he developed expertise in therapeutic ERCP, endoscopic ultrasound, gastrointestinal stricture remediation, and other advanced endoscopic procedures.

    Dr. Chang has published numerous abstracts and articles in the field of gut immunity, inflammatory bowel disease, and pancreaticobiliary disorders in peer-reviewed journals such as Gastroenterology, Journal of Clinical Investigation, and Journal of Immunology.

    He is a member of the American Gastroenterology Association, American Society of Gastrointestinal Endoscopy, American College of Gastroenterology, and American Medical Association.

    Certifications
    American Gastroenterology Association
    American Society of Gastrointestinal Endoscopy
    American College of Gastroenterology
    American Medical Association
    Areas of Expertise
    Colon cancer screening
    Heartburn or acid reflux
    Peptic ulcer disease
    Inflammatory bowel disease
  • 20-Sep-2017
    I enjoyed talking with Dr. Chang...and I trust him. He is a good guy, and we all know he is an excellent doctor.
    6-Sep-2017
    I wish all my doctors were as professional and caring as *Dr. Chang.
    24-Jul-2017
    Dr Chang is excellent in all aspects of the care he provides.
    23-Jul-2017
    *Dr. Elmer Chang is an exceptional doctor who really seems to care.
    28-May-2017
    Good.
    12 Total Comments Page 1 2 3   Next