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General Internal Medicine - Overview

Internal MedicineWillmar, MN

★★★★☆4.4/5250 reviews across 5 platforms

Ratings by platform

  • CentraCare - Willmar Clinic (Dr. Dexter Casta): 4.4/5 (214 ratings)
  • WebMD (Dr. Dexter Casta): 3.5/5 (10 ratings)
  • WebMD (Dr. Kendall Bos): 5.0/5 (6 ratings)
  • Vitals (Dr. Kendall Bos): 5.0/5 (5 ratings)
  • US News (Dr. David A. Newcomer): 5.0/5 (15 ratings)

What patients say

Patients praise

  • Physicians described as knowledgeable and thorough
  • Clear communication and ability to explain conditions well
  • Compassionate and patient-centered care reported by many patients
  • Efficient processes for lab work and follow-ups

Common complaints

  • Patients reporting feeling rushed during appointments
  • Perception of some providers as impersonal or overly focused on computer/files
  • Concerns regarding medication management and frequency of follow-up visits

In patients' words

"Dr. Casta is very thorough and consistently demonstrates excellent diagnostic skills, professionalism and Genuine patient interest and care."

CentraCare - Willmar Clinic Patient Review

"The provider is always in a hurry and is constantly on the computer. Very impersonal."

WebMD Patient Review

"Dr. Bos is always excellent when it comes to discussing results and follow up plans."

WebMD Patient Review

How these reviews were compiled

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

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