Emerge Care

Gastroenterologists in Oregon

Gastroenterologists specialise in the digestive system: stomach, intestines, liver and pancreas. Below are 37 gastroenterologists practising in Oregon, across Portland, Tualatin, Clackamas, Springfield, Bend and Corvallis, with what to bring and ask so your visit counts.

Gastroenterologists in Oregon

  1. Richard W. Brandes, MD Gastroenterology Portland, OR 97216
  2. Erik J. Vankleek, MD Gastroenterology Tualatin, OR 97062
  3. Ben J. Bryant, MD Gastroenterology Clackamas, OR 97015
  4. Peter S. Kay, MD Gastroenterology Springfield, OR 97477
  5. James J. Stragand, MD Gastroenterology Bend, OR 97701
  6. Surinder M. Vasdev, MD Gastroenterology Corvallis, OR 97330
  7. Katherine M. Hoda, MD Gastroenterology Salem, OR 97301
  8. Michael F. Sheffield, MD Gastroenterology Oregon City, OR 97045
  9. Anthony A. Haulk, MD Gastroenterology Medford, OR 97504
  10. Charles R. Rosenblatt, MD Gastroenterology Hillsboro, OR 97123
  11. Vikas Garg, MD Gastroenterology Roseburg, OR 97471
  12. Anne M. Breitinger, MD Gastroenterology Milwaukie, OR 97222
  13. Chakri Panjala, MD Gastroenterology Eugene, OR 97408
  14. Jennifer Rodriguez, MD Gastroenterology Gresham, OR 97030
  15. Kimya-Anhcina L. Nguyen, DO Gastroenterology McMinnville, OR 97128
  16. Patrick R. Maveety, MD Gastroenterology Newberg, OR 97132
  17. Craig C. Chow, MD Gastroenterology Ashland, OR 97520
  18. Amy Wang, MD Gastroenterology Portland, OR 97225
  19. Michelle M. Beilstein, MD Gastroenterology Tualatin, OR 97062
  20. Amit Sadana, MD Gastroenterology Clackamas, OR 97015
  21. Jubeen Moaven, MD Gastroenterology Springfield, OR 97477
  22. John A. Walker, MD Gastroenterology Bend, OR 97701
  23. Sarah J. Brendler, MD Gastroenterology Corvallis, OR 97330
  24. Eric S. Tatro, MD Gastroenterology Salem, OR 97301
  25. Steven J. Mason, MD Gastroenterology Oregon City, OR 97045
  26. Gregory F. Winters, MD Gastroenterology Medford, OR 97504
  27. Randy D. Watson, MD Gastroenterology Hillsboro, OR 97123
  28. Lisa A. Brandenburger, MD Gastroenterology Roseburg, OR 97471
  29. Jonathan Hattenhauer, DO Gastroenterology Milwaukie, OR 97222
  30. Nathan R. Markowitz, MD Gastroenterology Eugene, OR 97401
  31. Milton C. Johnson, MD Gastroenterology Portland, OR 97216
  32. Stephen L. Chen, MD Gastroenterology Tualatin, OR 97062
  33. Ronald J. Hapke, MD Gastroenterology Clackamas, OR 97015
  34. Terrence C. Lee, MD Gastroenterology Springfield, OR 97477
  35. Jade S. Edwards, MD Gastroenterology Bend, OR 97701
  36. Chad A. Morse, MD Gastroenterology Corvallis, OR 97330
  37. Nabil E. Choueiri, MD Gastroenterology Salem, OR 97301

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 Oregon 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 Oregon?

This page lists 37 gastroenterologists practising in Oregon, including Portland, Tualatin, Clackamas, Springfield, Bend and Corvallis, 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 Oregon?

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.

More doctors in Oregon

Gastroenterologists in nearby listings

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