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Michael James Krier, MD

Gastroenterology • Fairfield, CA

★★★★★5.0/5143 reviews across 3 platforms

Ratings by platform

  • US News Doctors: 5/5 (90 reviews)
  • Healthgrades: 5.0/5 (53 reviews)
  • Yelp (3 reviews)

What patients say

Patients praise

  • Highly recommended by patients
  • Thorough, professional, and empathetic care
  • Comfortable and successful procedures (endoscopy/colonoscopy)
  • Clear and insightful communication

Common complaints

  • Limited review volume on some platforms

In patients' words

"I can report that Dr. Krier performed the most comfortable and thorough upper and lower scopes of the five procedures I had undergone... I could see that he was concerned about my welfare and comfort. I offer my highest recommendation to any patients seeking a skilled and empathetic gastroenterologist."

— Healthgrades

"Dr. Krier is my one of my absolute Favorite folks on this earth. He actually saved my life."

— Yelp

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 10, 2026 — sources: [1][2][3][4][5][6][7].

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