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Keith A. Luther, MD

Internal Medicine • Mercer Island, WA

★★★★★4.9/5461 reviews across 3 platforms

Ratings by platform

  • Zocdoc: 4.86/5 (9 reviews)
  • Vitals: 4.9/5 (282 reviews)
  • Swedish.org: 4.9/5 (170 reviews)

What patients say

Patients praise

  • Friendly and kind demeanor
  • Knowledgeable and professional
  • Respectful of patients
  • Collaborative doctor-patient relationship
  • Easy to talk to

Common complaints

  • Some variation in specific rating categories reported on some platforms

In patients' words

"Always have had very good interactions with this MD. Difficult to find this in a world of corporate medicine."

— WebMD

"Keith Luther has been an excellent part of my career team for 5 years. When I have seen him he has been very friendly, knowledgeable, and respectful."

— Healthgrades

"Luther believes in a collaborative doctor-patient relationship. Luther is kind, knowledgeable and easy to talk to."

— Swedish.org

How these reviews were compiled

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

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