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GI Alliance – Mansfield, TX – N. Miller Rd

GastroenterologyMansfield, TX

★★★★★4.8/51,167 reviews across 2 platforms

Ratings by platform

  • giallianceofmansfield.com/Trustindex: 4.8 out of 5 stars (Over 1,100 reviews (site-aggregated))
  • Healthgrades (Dr. Gregory Brennan): 4.8 out of 5 stars (67 ratings)

What patients say

Patients praise

  • Patients often describe the medical staff as caring, compassionate, and attentive
  • High level of confidence in specific physicians such as Dr. Brennan and Dr. Youssef
  • Positive experiences with the efficiency and bedside manner during procedures
  • Professional and welcoming environment noted by many reviewers

Common complaints

  • Difficulty reaching the office via phone, including issues with voicemails not being returned
  • Long wait times for appointments and while in the office waiting room
  • Reports of rude or unhelpful administrative/receptionist staff
  • Occasional patient dissatisfaction with communication or feeling brushed off during care

In patients' words

"I had seen the doctor before and after the procedure and he took the time to hear any concerns I had and explained what he saw. I was also quite impressed with the friendly staff."

Healthgrades user review

"It's already more than 75 minutes past my appointment time (4:50pm) and I have not seen the doctor. Wouldn't recommend this office if you have any kind of schedule during your day."

LocalityBiz user review

"Dr. Yousef and his staff do a excellent job getting you in and out. Offering great bedside manner."

LocalityBiz user review

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 11, 2026 — sources: [1][2][3][4][5][6][7][8].

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