Gastroenterologist in Mansfield, TX
Gastroenterology • Mansfield, TX
Clinic Type
Gastroenterology
Address
647 North Miller Road, Suite 200, Mansfield, TX 76063
Phone
817-760-7969
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Opening Hours
Monday – Thursday 8:00 AM – 5:00 PM; Friday 8:00 AM – 4:00 PM
Telehealth
https://gialliance.com/service/virtual-telemedicine-united-states/
Emergency Care
If you are experiencing a medical emergency, please call 9-1-1.
Services Offered
Team
Insurance & Payment
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Languages Spoken
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FAQs
If you are experiencing a medical emergency, what should you do?
Please call 9-1-1.
How do I schedule a non-urgent appointment?
This form is intended for non-urgent appointment requests only. Our office will handle non-emergency requests within 48 hours.
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: mixed
- Healthgrades - Dr. Gregory Brennan: 4.8/5 (67 ratings)
- WebMD Care - Dr. Gregory Brennan: 5.0/5 (62 ratings)
- WebMD Care - Dr. Suwebatu Odunsi-Shiyanbade: 5.0/5 (97 ratings)
- WebMD Care - Dr. Moustafa Youssef: 5.0/5 (63 ratings)
- Healthgrades - Dr. Imad Ahmad: 5.0/5 (2 ratings)
Patients praise
- Professional and clinically skilled care
- Effective communication and thorough explanations of procedures
- Approachable and kind bedside manner reported by many patients
- Positive outcomes for procedures like colonoscopies and endoscopies
- Staff praised by many as friendly and efficient in positive reviews
Common complaints
- Difficulty with office staff responsiveness and communication
- Rushed appointments and perceived lack of time spent with patients
- Scheduling challenges and issues with last-minute cancellations
- Poor follow-up regarding test results and prescription management
- Occasional reports of perceived dismissive or rude bedside manner
"Patients appreciate Dr. Gregory Brennan's professional and caring approach... However, some patients report feeling rushed during appointments and experiencing dismissive behavior during consultations."
— WebMD Care"Front desk people were very rude... The doctor never followed up with us on our care."
— WebMD Care (regarding Dr. Pudhota)"My dad’s experience was that Dr. Brennan is condescending and gives off the vibe that he has somewhere better to be. The staff never returns voicemails."
— Trustindex.io (regarding GI Alliance)Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Dr. Suwebatu Odunsi-Shiyanbade, MD, Gastroenterologist | Mansfield, TX | WebMD — Dec 15, 2025
- Dr. Suwebatu Odunsi-Shiyanbade, MD – Gastroenterologist for Anal or Rectal Pain in Mansfield, TX — Dec 15, 2025
- 5 physicians on the cutting edge of GI - Becker’s ASC — Jul 15, 2025
- Surgical Associates of Mansfield | 2026 Top Docs | Living Magazine — Apr 30, 2026
- Dr. Troy Schmidt, MD, Gastroenterologist | Fort Worth, TX | WebMD — Oct 7, 2025
Information sourced from the clinic's website as of July 11, 2026.
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