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St. Jude Comprehensive Digestive Health Center

Gastroenterology • Fullerton, CA

★★★★★4.6/5223 reviews across 3 platforms

Ratings by platform

  • Providence / St. Jude Heritage Medical Group website: 4.9/5 (173 reviews)
  • Yelp: 3.3/5 (32 reviews)
  • Birdeye: 4.5/5 (18 reviews)

What patients say

Patients praise

  • Highly regarded individual physicians and nurse practitioners, noted for expertise and kindness
  • Attentive, friendly, and compassionate office staff and nursing team in many experiences
  • Clear explanations of conditions and treatments provided by several doctors
  • Professional and smooth procedural experiences for many patients

Common complaints

  • Long wait times for appointments and reaching the office by phone
  • Challenges with administrative communication, including billing errors and incomplete instructions
  • Some patients reported dismissive bedside manner from specific providers
  • Concerns regarding follow-up and relaying of test results
  • Difficulty scheduling urgent visits or getting timely callbacks

In patients' words

"OMG, I was on hold for 45 minutes. My PCP (Primary Care Physician) gave me a referral to make an appointment to see Dr. Yoon... This is just unacceptable."

— LocalityBiz Review

"This Doctor has terrible follow up. Doesn’t timely relay test results and doesn’t fully explain implications of his diagnosis."

— Healthgrades Review of Dr. Patrick Koo

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 10, 2026 — sources: [1][2][3][4][5][6][7][8].

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