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Samaritan Gastroenterology - Corvallis

GastroenterologyCorvallis, OR

★★★★☆3.8/588 reviews across 5 platforms

Ratings by platform

  • Healthgrades (Dr. Keith Harris): 3.7 / 5 (25 ratings)
  • Healthgrades (Dr. Robert Wohlman): 3.5 / 5 (32 ratings)
  • Vitals (Dr. Andrei Gasic): 4.0 / 5 (23 ratings)
  • Vitals (Dr. Adam Silverblatt): 5.0 / 5 (7 ratings)
  • Vitals (Dr. Matthew Walton): 2.0 / 5 (1 rating)

What patients say

Patients praise

  • Highly knowledgeable and skilled doctors
  • Effective, life-saving treatment for chronic gastrointestinal conditions
  • Some providers described as compassionate, thorough, and good communicators

Common complaints

  • Perceived lack of listening or care from some providers
  • Reports of unprofessionalism from some staff members
  • Long wait times for appointments with certain doctors
  • General frustrations with the larger Samaritan Health Services system including perceived lack of follow-up on complaints

In patients' words

"This doctor is highly knowledgeable and tells it like it is with great love and care in his voice. ... I feel that Dr. Harris has improved my quality of life 100%."

Healthgrades patient review for Dr. Keith Harris

"Again, he listens and CARES!"

Healthgrades patient review for Dr. Robert Wohlman

"The entire time I was a patient there I was "cared for" by an exceptionally rude nurse. Worst place ever."

Vitals patient review for Dr. Andrei Gasic (regarding office staff)

"This doctor not only misdiagnosed me, but does not listen and I almost died as a result."

Vitals patient review for Dr. Matthew Walton

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 11, 2026 — sources: [1][2][3][4][5][6][7][8].

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