Dr. Andrew Ko, MD

Dr. Andrew Ko, MD

Gastroenterology  ·  
Male  ·  
Age 60
Dr. Andrew Ko, MD is a gastroenterology specialist in Fountain Valley, CA and has been practicing for 27 years. He graduated from Rosalind Franklin University Of Medicine Science/The Chicago Medical School in 1986 and specializes in gastroenterology and internal medicine.Read his story

11100 Warner Ave Ste 216

Fountain Valley, CA 92708

Contact Information

Insurance Accepted

  • Aetna
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Cigna
  • Government Employees Health Association (GEHA)
  • UnitedHealthCare

*Please verify this information when scheduling an appointment.

Learn about Dr. Ko

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

Top Care Areas

See how frequently Dr. Ko performs your care needs compared to other doctors.

Stomach Diseases
very high
more than 98% of peers
Abdominal Disorders
very high
more than 98% of peers
very high
more than 97% of peers

Dr. Ko's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

Dr. Ko's bio

This content was provided by Dr. Ko "Dr. Andrew C. Ko received a Bachelor of Science Degree in both Chemistry and Biological Science from the University of California, Irvine. Shortly after, Dr. Ko received his medical degree from the Chicago Medical School. Returning to California, he continued his Internal Medicine Internship and Residency at the Wadsworth V.A. at U.C.L.A. and his Gastroenterology Fellowship at the University of California, Irvine, Medical Center. Dr. Ko is extremely knowledgeable and has received many accolades in his field. In 1983, he received the Melvyn Lechtling Oncology Research Award. In 2006, Dr. Ko took part in an Advanced Certificate Program in the Management of Chronic Hepatitis B, receiving honors in excellence and distinction of project knowledge. In 2007, he was also named Physician of the Year by Monarch Healthcare. Dr. Ko was inducted to AGA Fellow in May 2007. The Fellowship in the American Gastroenterological Association (AGAF) is an honor bestowed by the AGA for superior professional achievement in practice and/or research in the field of gastroenterology. Dr. Ko served as the president of the Orange County GI Society in 1998 and was Gastroenterology Division Chief of Fountain Valley Regional Medical Center in 2014. He was involved in teaching and training gastroenterology fellows at UC Irvine and was Assistant Clinical Professor at UCI Medical Center from 1991 to 2013. He became a co-founder of the Pacific Endoscopy and Surgery Center in 2007 and remains a governance and managing board member of the center. Dr. Ko has been practicing medicine as a gastroenterologist in Orange County since 1991. Dr. Ko is fluent in both English and Korean. Aside from pursuing his passion to heal and help others, Dr. Ko enjoys Fine Art Photography. He has been recognized and awarded by a number of national and international photography organizations. His art has been exhibited at various fine art photography exhibitions. He has been an active exhibitor at the Festival of Arts in Laguna Beach since 2016. Get in touch. We at Andrew C. Ko, MD, AGAF know that finding the doctor to discuss your health is a choice not to be taken lightly. We dedicate ourselves to the delivery of medicine with the highest level of diligence in the most caring manner to ensure you get the best care possible."
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Care Philosophy

This content was provided by Dr. Ko "Dr. Andrew C. Ko strives to build diagnostic and treatment plans through dialogue with the patient and with the utmost respect and understanding of each patient as a unique human being. He considers each patient to be a partner in delivering medical care and encourages participation in the decision making process. Dr. Andrew C. Ko pays meticulous attention to details in deciphering the patient's signs and symptoms and considers this to be the bedrock of medicine. He believes in the use of careful listening and questioning to determine the most optimal, cost-effective approaches to health care."

2  Specialties

  • Gastroenterology
  • Internal Medicine

2  Board Certifications

  • Gastroenterology
    Accredited by: American Board of Internal Medicine*
  • Internal Medicine
    Accredited by: American Board of Internal Medicine*

63  Conditions Treated

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5  Procedures

Background Check

0 Malpractice Claims

No malpractice history found for California.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • University Of California Irvine
    Undergraduate School | Graduated 1981
  • Rosalind Franklin University Of Medicine Science/The Chicago Medical School
    Medical School | Graduated 1986
  • Ucla Wadsworth Va Med Center
    Internship Hospital | Completed 1987
  • Ucla Wadsworth Va Med Center
    Residency Hospital | Completed 1989
  • University of California Irvine Medical Center
    Fellowship Hospital | Completed 1991

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Ko has no media or publications listed.

Languages Spoken

  • English
  • Korean

Memberships & Professional Affiliations

Dr. Ko does not have any memberships or affiliations listed. If you are Dr. Ko and would like to add memberships or affiliations, please update your profile.

Dr. Ko's Reviews

Likelihood to recommend Dr. Ko


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Average Wait Time
  • 10 – 15 minutes
Dr. Ko's Performance
  • Trustworthiness
  • Explains condition(s) well
  • Answers questions
  • Time well spent
Office & Staff Performance
  • Scheduling
  • Office environment
  • Staff friendliness
What People Say About Dr. Andrew Ko, MD
very informative and helpful. needed a endoscopy and colonoscopy for the first time. very gentle with no pain. made me feel comfortable. would definitely recommend
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Erin M in Mission Viejo, CA – Mar 09, 2016
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