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Endocrinologists - Johnson County East - KCDocs

EndocrinologyShawnee, KS

★★★★☆3.5/559 reviews across 4 platforms

Ratings by platform

  • Healthgrades - Dr. John Liu: 4.5 out of 5 stars (2 reviews) (2 ratings)
  • Healthgrades - Dr. Jeffrey Kallsen: 3.7 out of 5 stars (approx. 30 ratings) (30 ratings)
  • Vitals - Dr. Jeffrey Kallsen: 3.9 out of 5 stars (11 reviews)
  • Healthgrades - Dr. Leigh Eck: 2.8 out of 5 stars (16 reviews)

What patients say

Patients praise

  • Knowledgeable and clear communication of lab results/treatment plans
  • Patient, takes time to listen, and does not rush appointments
  • Empathetic and personable approach to individual patient needs
  • Effective collaborative care, including referrals to dietitians

Common complaints

  • Concerns about medication side effects and medical management (e.g., Pioglitazone)
  • Complaints regarding physician bedside manner, feeling unheard, and perceived arrogance
  • Dissatisfaction with staff communication and administrative processes

In patients' words

"Dr. Menon and his team have been such a big blessing to me. I cannot thank them enough for the amount of time and care they give me."

RateMDs (Dr. Sajeev B. Menon)

"My experience with Eck and her staff was a total disaster! This doctor should be fired. I wish I had something nice to say about her. This doctor gaslighted me and treat your diagnosis like it's nothing."

Healthgrades (Dr. Leigh Eck)

"I have been seeing Dr. Kallsen for 10 years now since having my thyroid removed and could not be happier with him. He always answers all of my questions and I never feel rushed."

Healthgrades (Dr. Jeffrey Kallsen)

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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