Dr. Om Chaurasia, MD

Dr. Om Chaurasia, MD

Gastroenterology  |  
Insurances AcceptedSave
Dr. Om Chaurasia, MD is a gastroenterology specialist in Mission Viejo, CA and has been practicing for 23 years. He graduated from Patna Medical College, Patna University and specializes in gastroenterology and internal medicine.Read his story

26421 Crown Valley Pkwy Ste 140A

Mission Viejo, CA 92691

Contact Information

(949) 365-8836

Insurance Accepted

  • Aetna
  • Anthem Blue Cross
  • ARTA Health Network
  • AvMed
  • Beech Street (Multiplan)
  • Blue Cross Blue Shield
  • Blue Cross Blue Shield of California
  • Blue Shield of California
  • Cigna
  • 24 More

*Please verify this information when scheduling an appointment.

Learn about Dr. Chaurasia

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. Chaurasia performs your care needs compared to other doctors.

Abdominal Disorders
very high
more than 97% of peers
Gastrointestinal Diseases
very high
more than 96% of peers
Ulcerative Colitis
very high
more than 92% of peers

Dr. Chaurasia'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.

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Dr. Chaurasia's bio

This content was provided by Dr. Chaurasia "As a gastroenterologist of more than twenty five years, he is fully aware of the importance of studying each case as its own unique instance. He is devoted to targeting the problem and does not stop until the most effective treatment plan is achieved. He has served as the President of the Orange county gastroenterology society, and as a committee member of the American College of Gastroenterology. He has served on the clinical faculty as Assistant Clinical Professor at the University of California, Irvine, and is currently the medical director of Pacific Gastroenterology Endoscopy Center. In addition to general gastroenterololgy including colon cancer screening, he has a particular interest and expertise in the Endoscopic Retrogrde Cholangio-Pancretography (ERCP) and in the field of pancreatobiliary diseases. Over the several decades, he has successfully managed a score of patients with a variety of gastrointestinal conditions including gastroesophageal reflux disease, peptic ulcer, celiac disease, irritable bowel syndrome, ulcerative colitis, and Crohn's disease. Dr. Chaurasia received his medical degree from Patna Medical College (Formerly Prince of Wales Medical College), Patna, India, followed by internal medicine training in England, UK. He completed his residency training in internal medicine at the University Medical Center, East Carolina University, Greenville, North Carolina. In addition, he served there as the chief medical resident. He did 3-year fellowship training in gastroenterology and hepatology at the University of California, Irvine. At the University of Amsterdam, Holland, an internationally renowned center for pancreatobiliary endoscopy, he completed advanced training in therapeutic ERCP. His board certification includes American subspecialty board of gastroenterology which he passed with the highest decile of ten. He has received several awards including the Glaxo Fellow's award at the national meeting of the American Gastroenterological Association. For three consecutive years (2015, 2016 and 2017), he received the prestigious "Physician of Excellence" award from the Orange County Medical Association, California. In peer-reviewed journals, he has authored several original articles and abstracts. He has given presentations at various professional society meetings at the state, national and international levels. He is the past President of the UC Irvine Gastroenterology Alumni Association and the Indian Medical Association of Southern California. His membership and affiliations include American College of Physicians American College of Gastroenterology American Society for Gastrointestinal Endoscopy American Gastroenterological Association Royal College of Physicians, U.K. California Medical Association Orange County Medical Association Dr. Chaurasia speaks English and Hindi. He is married with 2 grown daughters and a son. His hobbies include tennis, swimming and keeping abreast with world affairs."


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Care Philosophy

This content was provided by Dr. Chaurasia "Dr. Chaurasia enjoys interacting with patients and their families, spending ample time to listen to their concerns about care. He also takes time to educate them about the disease process and discuss treatment options. It is highly rewarding for him to be able to provide medical services using modern technology integrated with personalized care, where patient's involvement in medical care choices is encouraged."


  • Gastroenterology
  • Internal Medicine

Board Certifications

  • Gastroenterology
    Accredited by: American Board of Medical Specialties*

Conditions Treated


Read Less


  • Bile Duct Procedure
  • Biliary Drainage
  • Capsule Endoscopy
  • Colon Cancer Screening
  • Colonoscopy
  • Colonoscopy With Polypectomy
  • Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
  • Colorectal Cancer Screening
  • Endoscopic Common Bile Duct Stone Removal
  • Endoscopic Polypectomy
  • Endoscopy
  • Endoscopy (Esophagus, Stomach, Small Intestine)
  • ERCP (Endoscopic Retrograde Cholangiopancreatography)
  • ERCP With Spincterotomy
  • Fecal Impaction Removal
  • Gastroenterology Procedures
  • Hemorrhoid Banding
  • Liver Biopsy
  • Percutaneous Edoscopic Gastrostomy (PEG)
  • Small Bowel Enteroscopy
  • Snare Polypectomy

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.


  • Patna Medical College, Patna University
    Medical School | Graduated
  • East Carolina University School of Medicine
    Residency Hospital | Completed 1992
  • University of California Irvine Medical Center
    Fellowship Hospital | Completed 1995

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. Chaurasia has no media or publications listed.

Languages Spoken

  • English
  • Hindi
  • Spanish

Memberships & Professional Affiliations

  • American College of Gastroenterology, Fellow
  • American Gastroenterological Association, Fellow
  • American Society for Gastrointestinal Endoscopy, Fellow
  • California Medical Association, Member
  • Orange County Gastroenterology Society, Past President
  • Orange County Medical Association, Member
  • Royal College of Physicians, Member

Dr. Chaurasia's Reviews

Likelihood of recommending Dr. Chaurasia to family and friends
based on 202 total reviews (72 with comments)

Likelihood to Recommend (202)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. Chaurasia's Performance

Explains condition(s) well
Answers Questions
Time well spent

Office & Staff Performance

Office environment
Staff friendliness
Average wait time
10 to 15 minutes
Dr. Chaurasia Says:

I appreciate your time in completing a patient survey.  If you received a great service and attention, please tell a friend or a family member.  If you would like to give a feedback, please tell me or my staff.  We are committed to providing you the best care.

Patient Comments (72)

I would definitely recommend Dr. Chaurisia. He and his staff were great! Very professional and great bed side manners!!
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Dr. Chaurasia is a good listener and Calm. The procedure was very quick and comfortable. Dr. Chaurasia helped me re do my Ivy very gently to stop the discomfortness. Nurse Bev was very kind and comforting. The greeter was a little questionable. Overall I had a great visit and procedure. The PREP...more
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in San Juan Capistrano, CA
Great, caring staff. They explained everything regarding the procedure and what I should expect.
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Staff was very friendly and kept me informed of my appointment. Dr. Chaurasia thoroughly explained my procedure and outcome.
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in Lake Forest, CA
Dr Chaurasia was very patient and put me at ease with the procedure he performed. I felt he did an outstanding job.
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