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Dr. Gregory Shannon, MD

Dr. Gregory Shannon, MD

Gastroenterology*
25+ years of experience

Dr. Gregory Shannon, MD is a gastroenterologist in Sugar Land, TX and has over 25 years of experience in the medical field. He graduated from Northwestern University Feinberg School of Medicine in 1996. He is affiliated with medical facilities Houston Methodist Sugar Land Hospital and Memorial Hermann Sugar Land Hospital. He is accepting new patients and telehealth appointments.

4.2 Star Rating
Based on 128 reviews 4.2 Star Rating (128 reviews)

Gastroenterology Associates of Texas

17510 W Grand Pkwy S Ste 220 Sugar Land, TX 77479
Telehealth available

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Compare with other Gastroenterologists

Compare Dr. Shannon with our nearby Gastroenterologists at HCA Houston Healthcare West.

Make an appointment at HCA Houston Healthcare West today at
(281) 417-4665.

Dr. Shannon 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

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Dr. Shannon's Reviews

Likelihood to recommend Dr. Shannon

4.3

128 ratings, 97 with a written review
5 Star
79%
79%
4 Star
2%
2%
3 Star
1%
1%
2 Star
3%
3%
1 Star
16%
16%

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RecentHighestLowestMost Helpful
What went well
  • Appointment scheduling
  • Staff friendliness
  • Wait times
What could be improved
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Appointment was rushed
  • Didn't trust the provider's decisions
11 people found this helpful
Helpful
Billy – Feb 07, 2023
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What went well
  • Staff friendliness
  • Wait times
What could be improved
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Appointment was rushed
  • Didn't trust the provider's decisions
9 people found this helpful
Helpful
Monica Sexton – Jun 10, 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
2 people found this helpful
Helpful
Otila T. – Aug 26, 2021
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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
3 people found this helpful
Helpful
Mitchell – Jun 19, 2021
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What went well
No results
What could be improved
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
8 people found this helpful
Helpful
Cynthia Bryson – Apr 12, 2021
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What went well
  • Listened & answered questions
  • Explained conditions well
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
2 people found this helpful
Helpful
Donna Thomas – Dec 01, 2020
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Staff friendliness
What could be improved
No results
3 people found this helpful
Helpful
Oct 24, 2020
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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
4 people found this helpful
Helpful
C. R. – Aug 07, 2020
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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
What could be improved
No results
5 people found this helpful
Helpful
GS – May 14, 2020
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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
What could be improved
No results
6 people found this helpful
Helpful
D S – May 14, 2020
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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
What could be improved
No results
3 people found this helpful
Helpful
Apr 21, 2020
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What went well
No results
What could be improved
  • Difficult to schedule appointment
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Staff wasn't friendly
  • Appointment was rushed
  • Didn't trust the provider's decisions
2 people found this helpful
Helpful
Apr 21, 2020
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What went well
No results
What could be improved
No results
7 people found this helpful
Helpful
Mark – Apr 07, 2020
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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
1 person found this helpful
Helpful
Emilee N. – Mar 05, 2020
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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
Sheddrick T. – Mar 05, 2020
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What went well
No results
What could be improved
No results
Helpful
Khairi Sharif – Jan 26, 2020
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What went well
  • Staff friendliness
What could be improved
  • Didn't listen or answer questions
  • Didn't explain conditions well
  • Appointment was rushed
  • Didn't trust the provider's decisions
8 people found this helpful
Helpful
CMS – Dec 03, 2019
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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
C. S. – Nov 06, 2019
×Post a ResponseAre you Dr. Gregory Shannon, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Oct 25, 2019
×Post a ResponseAre you Dr. Gregory Shannon, 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
1 person found this helpful
Helpful
Anonymous – Oct 12, 2019
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Leave a review

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About Me

care philosophy

Dr. Gregory Shannon, MD is a gastroenterology specialist in Sugar Land, TX. He graduated from Northwestern University The Feinberg School Of Medicine in 1996.

biography

Dr. Gregory L. Shannon MD is a male gastroenterologist in Sugar Land, TX with over 23 years of experience. Dr. Shannon is affiliated with Gastroenterology Associates of Texas in Sugar Land, as well as Houston Methodist Sugar Land Hospital in Sugar...read more
  • Gastroenterology

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

  • Baylor College Of Medicine

    Fellowship Hospital, 2002
  • Baylor University

    Residency Hospital, 1999
  • Baylor University

    Internship Hospital, 1997
  • Northwestern University Feinberg School Of Medicine

    Medical School, 1996
American Board of Medical Specialties®
American Board of Internal Medicine®
Gastroenterology
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.
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  • Spanish

Dr. Shannon is a Healthgrades Choice provider in Gastroenterology

    Read our methodology

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    Locations

    Gastroenterology Associates of Texas

    Gastroenterology Associates of Texas17510 W Grand Pkwy S Ste 220 Sugar Land, TX 77479
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