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Dr. Gregory Brennan, MD

Dr. Gregory Brennan, MD

Gastroenterology*

Dr. Gregory Brennan, MD is a gastroenterologist in Mansfield, TX. Dr. Brennan has extensive experience in Pancreatic Disease, Gastrointestinal Disorders, and Esophageal Disorders. He is affiliated with medical facilities Medical City Arlington and Methodist Mansfield Medical Center. He is accepting new patients and telehealth appointments.

4.9 Star Rating
Based on 45 reviews 4.9 Star Rating (45 reviews)

Brought to you by and on staff at

GI Alliance Mansfield Clinic

Locations

GI Alliance Mansfield Clinic

GI Alliance Mansfield Clinic647 N Miller Rd Mansfield, TX 76063
1

Hospital Highlight

Dr. Brennan is affiliated with Methodist Mansfield Medical Center Mansfield, a highly rated hospital.

Dr. Brennan is a Healthgrades Choice provider in Gastroenterology

The Healthgrades Choice designation helps you understand the most important factors to consider when choosing a healthcare professional. This designation is earned based on four set standards.
Read our methodology

  • Above average experience
  • Good hospital quality
  • Good patient ratings
  • No healthcare sanctions
  • Areas of ExpertiseDr. Brennan specializes in the areas of Gastroenterology & Internal Medicine. See board certifications
  • Explains Conditions WellPatients said this doctor explains conditions well. See reviews
  • Offers TelehealthThis doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Top HospitalOutstanding Patient Experience Award™ See hospitals

More Gastroenterology Specialists at GI Alliance Mansfield Clinic

Experience Check

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Dr. Brennan's Reviews

Likelihood to recommend Dr. Brennan

4.9

45 ratings, 42 with a written review
5 Star
96%
96%
4 Star
2%
2%
3 Star
0%
0%
2 Star
0%
0%
1 Star
2%
2%

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RecentHighestLowestMost Helpful
What went well
  • I felt respected
  • 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
Dr,. Brennan – Jan 20, 2025
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What went well
  • I felt respected
  • 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
Leticia Ann Boone – Jan 12, 2025
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Telehealth
What went well
  • I felt respected
  • 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
R A – Nov 04, 2024
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What went well
  • I felt respected
  • 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
1 person found this helpful
Helpful
May 22, 2024
×Post a ResponseAre you Dr. Gregory Brennan, MD?
What went well
  • I felt respected
  • 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
1 person found this helpful
Helpful
May 21, 2024
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What went well
  • Appointment wasn't rushed
  • Wait times
What could be improved
No results
Helpful
Apr 12, 2024
×Post a ResponseAre you Dr. Gregory Brennan, MD?
What went well
  • I felt respected
  • Appointment scheduling
  • Listened & answered questions
  • Staff friendliness
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Dec 20, 2023
×Post a ResponseAre you Dr. Gregory Brennan, MD?
What went well
  • I felt respected
  • 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
Sherrie H – Dec 13, 2023
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What went well
  • I felt respected
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
  • Difficult to schedule appointment
Helpful
Charles P. Geer – Dec 03, 2023
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What went well
  • I felt respected
  • 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
Nov 09, 2023
×Post a ResponseAre you Dr. Gregory Brennan, MD?
What went well
  • I felt respected
  • 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
Nov 04, 2023
×Post a ResponseAre you Dr. Gregory Brennan, MD?
What went well
  • I felt respected
  • 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
Dave S – Oct 11, 2023
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What went well
  • I felt respected
  • 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
Oct 10, 2023
×Post a ResponseAre you Dr. Gregory Brennan, MD?
What went well
  • I felt respected
  • 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
Sep 12, 2023
×Post a ResponseAre you Dr. Gregory Brennan, MD?
What went well
  • I felt respected
  • 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
Aug 14, 2023
×Post a ResponseAre you Dr. Gregory Brennan, MD?
What went well
  • I felt respected
  • 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
Jun 16, 2023
×Post a ResponseAre you Dr. Gregory Brennan, MD?
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
Mar 11, 2023
×Post a ResponseAre you Dr. Gregory Brennan, MD?
What went well
No results
What could be improved
No results
Helpful
Just Jay – Dec 09, 2022
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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
Mary R. – Nov 08, 2022
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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
Virginia – Nov 02, 2022
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About Me

biography

Dr. Gregory Brennan, MD is a gastroenterologist in Mansfield, TX. Dr. Brennan has extensive experience in Pancreatic Disease, Gastrointestinal Disorders, and Esophageal Disorders. He is affiliated with medical facilities Medical City Arlington...read more
  • Gastroenterology

  • Internal Medicine

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

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.

Dr. Brennan is a Healthgrades Choice provider in Gastroenterology

    Read our methodology

    Affiliated Hospitals

    • Methodist Mansfield Medical Center

      2700 E Broad St
      Mansfield, TX 76063
      Recipient of 4
      hospital awards

      Outstanding Patient Experience Award™ (2024, 2023)

      Top in the nation for overall patient experience based on nine measures related to doctor and nurse communication, hospital cleanliness and noise levels, and medication and post-discharge care instructions

      View all awards

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

      88%
      Patients said they were given information about recovering at home

      4% higher than the national average

      81%
      Patients would recommend the hospital to friends and family

      16% higher than the national average

      View all patient feedback
    • Medical City Arlington

      3301 Matlock Rd
      Arlington, TX 76015
      Recipient of 22
      hospital awards

      America's 250 Best Hospitals Award™ (2025, 2024, 2023)

      Top 5% in the nation for consistently delivering clinical quality

      Patient Safety Excellence Award™ (2025, 2024, 2023)

      Top 5% in the nation for consistently delivering clinical quality

      View all awards

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

      76%
      Patients said they were given information about recovering at home

      8% lower than the national average

      69%
      Patients said that doctors always listened to them and explained things well

      7% lower than the national average

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