Emerge Care

Gastroenterologists in Houston, TX

Gastroenterologists specialise in the digestive system: stomach, intestines, liver and pancreas. Below are 30 gastroenterologists with a practice in Houston, Texas, from the federal NPI Registry, with what to bring and ask so your visit counts.

Gastroenterologists in Houston

  1. Lopa Mishra, MD Gastroenterology Houston, TX 77030
  2. Faraz Bishehsari, MD Gastroenterology Houston, TX 77030
  3. Gary A. Glober, MD Gastroenterology Houston, TX 77030
  4. Kavin Kanthasamy Gastroenterology Houston, TX 77030
  5. James A. Maher, MD Gastroenterology Houston, TX 77084
  6. Andrew W. Dupont, MD Gastroenterology Houston, TX 77030
  7. William A. Ross, MD Gastroenterology Houston, TX 77030
  8. Alfred J. Hernandez, MD Gastroenterology Houston, TX 77077
  9. Richa Shukla Gastroenterology Houston, TX 77030
  10. Amaar H. Ghazale, MD Gastroenterology Houston, TX 77034
  11. Suneal K. Agarwal, MD Gastroenterology Houston, TX 77030
  12. Phonthep Angsuwatcharakon, MD, MSC Gastroenterology Houston, TX 77030
  13. George Wahba, MD Gastroenterology Houston, TX 77030
  14. Krishnamurthy Shivshanker, MD Gastroenterology Houston, TX 77074
  15. Daniel H. Darmadi, MD Gastroenterology Houston, TX 77034
  16. Cristian E. Dominguez, MD Gastroenterology Houston, TX 77024
  17. Disha Kumar, MD Gastroenterology Houston, TX 77030
  18. John R. Mathias, MD Gastroenterology Houston, TX 77054
  19. Gabriel E. Sandoval, MD Gastroenterology Houston, TX 77024
  20. Lan Wang, MD Gastroenterology Houston, TX 77030
  21. Jason K. Hou, MD Gastroenterology Houston, TX 77030
  22. Natarajan S. Bala, MD, FACP, FACG Gastroenterology Houston, TX 77034
  23. Jeffrey H. Lee, MD Gastroenterology Houston, TX 77030
  24. Gulchin A. Ergun, MD Gastroenterology Houston, TX 77030
  25. Greg W. Galler, MD Gastroenterology Houston, TX 77025
  26. Shahid Ali, MD Gastroenterology Houston, TX 77034
  27. Christopher Fan, MD Gastroenterology Houston, TX 77030
  28. Mimi C. Tan, MD, MPH Gastroenterology Houston, TX 77030
  29. Daniel Karb Gastroenterology Houston, TX 77030
  30. Howard Hamat, MD Gastroenterology Houston, TX 77090

Listings come from the CMS NPPES NPI Registry, the public federal record of licensed providers, checked October 2026. Being listed is not a recommendation or an endorsement, and we do not receive anything from these doctors. Call the office to confirm insurance, availability and that they are accepting new patients. In an emergency, call 911.

When to see a gastroenterologist

Common reasons

  • Heartburn and reflux
  • IBS, bloating and changes in bowel habits
  • Abdominal pain
  • Colon cancer screening
  • Liver concerns

Signs it may be time

  • Digestive symptoms keep coming back
  • You are due for colon cancer screening
  • Your primary care doctor referred you
  • You notice blood in your stool or unexplained weight loss (book promptly)

How to get the most from your gastroenterologist visit

1

Before: what to bring

  • A list of everything you take, including supplements, with how often
  • Your insurance card and photo ID
  • Recent lab results or imaging reports, if another clinician ordered them
  • A food and symptom diary from the last two to four weeks
2

During: questions to ask

  • What could be causing my symptoms?
  • Do I need a scope or other tests, and how do I prepare?
  • Which foods or habits should I track?
  • Which symptoms mean I should call sooner?
3

After: what to keep track of

  • What you ate and when symptoms started
  • Bowel changes, bloating and pain, in your own words
  • Stress and sleep, which often move with gut symptoms

After your visit

Keep the plan going between appointments

Digestive problems are about patterns: which meals, which days, how long. A symptom diary kept for a few weeks is often the single most useful thing you can bring back to your gastroenterologist. Emerge Care, free to download on iPhone, is built for exactly that: tell it how you feel in your own words, get plain answers with the source behind every fact, and walk into your next gastroenterologist appointment in Houston with a one-page summary and your questions ready.

  • Log symptoms and side effects by talking
  • Answers that name their source
  • One-page visit summary PDF
  • Health records stay on your iPhone
Download on the App Store

Emerge Care never diagnoses or replaces your doctor.

Questions

How do I find a gastroenterologist in Houston?

This page lists 30 gastroenterologists with a practice in Houston, Texas (ZIP codes 77024, 77025, 77030, 77034, 77054, 77074 and more), from the federal NPI Registry. Call the office to confirm they take your insurance and are accepting new patients.

Do I need a referral to see a gastroenterologist in Houston?

It depends on your insurance plan, not the state. HMO plans usually need a referral from your primary care doctor; many PPO plans do not. Check with your plan before booking.

What should I bring to my first gastroenterologist appointment?

A list of everything you take, including supplements, with how often; Your insurance card and photo ID; Recent lab results or imaging reports, if another clinician ordered them; A food and symptom diary from the last two to four weeks.

When should I start colon cancer screening?

US guidelines generally recommend starting at 45 for people at average risk, earlier with a family history. Ask your doctor what fits you.

Should I keep a food diary before my appointment?

Yes, if you can. Two to four weeks of meals and symptoms helps your doctor see patterns quickly.

Gastroenterologists in other Texas cities

Other specialists in Houston

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