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Dr. Patrick Koo, MD

Dr. Patrick Koo, MD

Gastroenterology*
10+ years of experience

Dr. Patrick Koo, MD is a gastroenterologist in Fullerton, CA and has over 10 years of experience in the medical field. Dr. Koo has extensive experience in Esophageal Disorders and Pancreatic Disease. He graduated from Penn State University College of Medicine in 2012. He is affiliated with Providence St. Jude Medical Center. He is accepting new patients and telehealth appointments.

2.7 Star Rating
Based on 3 reviews 2.7 Star Rating (3 reviews)

St. Jude Heritage Fullerton - Gastroenterology

1837 Sunny Crest Dr Fullerton, CA 92835
Telehealth available

Make an Appointment

(714) 446-5831

Hospital Highlight

Dr. Koo is affiliated with Providence St. Jude Medical Center Fullerton, a highly rated and top awarded hospital for gastroenterology.

At a Glance

  • Areas of Expertise
    Dr. Koo specializes in the areas of Gastroenterology & Internal Medicine. • See board certifications
  • Friendly Staff
    Patients said the staff was friendly. • See reviews
  • Offers Telehealth
    This doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Top Hospital
    Gastrointestinal Surgery Excellence Award™ • See hospitals
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Dr. Koo's Reviews

Likelihood to recommend Dr. Koo

2.7

3 ratings, 3 with a written review
5 Star
33%
33%
4 Star
0%
0%
3 Star
0%
0%
2 Star
33%
33%
1 Star
33%
33%

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RecentHighestLowestMost Helpful
What went well
No results
What could be improved
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Staff wasn't friendly
  • Appointment was rushed
  • Didn't trust the provider's decisions
Helpful
Paul – Aug 17, 2023
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
rick kwak – Jan 21, 2022
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What went well
No results
What could be improved
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Didn't trust the provider's decisions
1 person found this helpful
Helpful
None – Jun 05, 2021
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Leave a review

How was your experience with Dr. Koo?

Know Before You Go

About Me

biography

Dr. Patrick Koo, MD is a gastroenterologist in Fullerton, CA and has over 10 years of experience in the medical field. Dr. Koo has extensive experience in Esophageal Disorders and Pancreatic Disease. He graduated from Penn State University College...read more

  • Gastroenterology

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • Penn State University College Of Medicine

    Medical School, 2012
American Board of Medical Specialties®
American Board of Internal Medicine®
- 
Gastroenterology
- 
Internal Medicine
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

Learn more about medical license public record check

  • English

  • Chinese

Focus on IBD

Locations

St. Jude Heritage Fullerton - Gastroenterology

St. Jude Heritage Fullerton - Gastroenterology1837 Sunny Crest Dr Fullerton, CA 92835
1

Affiliated Hospitals

  • Providence St. Jude Medical Center

    101 E Valencia Mesa Dr
    Fullerton, CA 92835
    Recipient of 21
    hospital awards

    America’s 50 Best Hospitals for Surgical Excellence Award™ (2025, 2024)

    Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery

    Gastrointestinal Surgery Excellence Award™ (2025)

    Superior clinical outcomes in bowel obstruction treatment, colorectal surgeries, gallbladder removal, and upper gastrointestinal surgery

    View all awards

    How patients felt about the care they received at this hospital.

    86%
    Patients said they were given information about recovering at home

    2% higher than the national average

    77%
    Patients who gave a rating of 9 or 10

    11% higher than the national average

    View all patient feedback
Learn more about how Healthgrades measures Hospital Quality