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Endocrinology | Altru Health System

Endocrinology / Diabetes CenterGrand Forks, ND

★★★☆☆2.7/543 reviews across 4 platforms

Ratings by platform

  • Vitals (Altru's Endocrinology practice): No aggregate rating; prompts to leave a review ("Be first to leave a review") (Not reported; appears no reviews yet)
  • Vitals (Dr. William J. Zaks): 2.1/5 (21 ratings (16 written reviews))
  • Vitals (Dr. James D. Brosseau): 4.1/5 (8 ratings (2 written reviews))
  • Vitals (Dr. Casey J. Ryan): 3.8/5 (9 ratings (1 written review))
  • WebMD (Dr. William Zaks): 1/5 (5 ratings (1 review))

What patients say

Patients praise

  • Some endocrinology patients praised bedside manner and communication (e.g., Dr. Brosseau).
  • High ratings were reported for at least one endocrinologist in the network (4.1/5 for Dr. Brosseau).

Common complaints

  • Some endocrinology patients reported poor bedside manner and dismissive care (e.g., Dr. Zaks on Vitals/WebMD).
  • Patient feedback included negative claims about lack of care planning and judgment around weight/choices (Dr. Zaks).

In patients' words

""Worst experience ever with doctor. Absolutely no bedside manner...""

Vitals review for Dr. William J. Zaks, MD

""encylopedic knowledge... amazing bedside manner...""

Vitals review for Dr. James D. Brosseau, MD

""Absolute excellent in every way. I have seen many Dr in my 81 yrs.""

Vitals review for Dr. Casey J. Ryan, MD

""laid out no plan of care... rude, judgemental...""

WebMD review for Dr. William Zaks, MD

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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