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St. Jude Heritage Fullerton - Gastroenterology

GastroenterologyFullerton, CA

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

Ratings by platform

  • Providence / St. Jude Heritage Medical Group website: 4.9/5 (Individual providers) (173 - 222 reviews each)
  • 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

"Dr. Matthew's is so kind and caring. He always listens to me as I share my concerns and tries to give me answers I can easily understand."

Providence St. Jude Heritage Patient Review

"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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