Mayo Clinic
Internal Medicine • Willmar, MN
Information from public sources; not independently verified. Confirm hours, insurance and appointment availability with the clinic.
Last gathered July 11, 2026. How our information is sourced · Report incorrect information
Services Offered
Not published.
Insurance & Payment
Not published.
Languages Spoken
Not published.
Social Media
Photos
Photos published by Mayo Clinic showing the internal medicine practice in Willmar, MN.
What Patients Say
Overall sentiment across review platforms: mixed
- 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)
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
"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 ReviewSynthesized from public review platforms as of Jul 11, 2026 - sources: [1][2][3][4].
In the News
- Sarah Miller, PA-C | Internal Medicine | CentraCare - Willmar Clinic - Jan 19, 2026
- Dr. Nadiya Beliveau, MD - Internal Medicine Physician in Saint Paul, MN - May 14, 2026
- Internal Medicine Physician - Willmar, MN - Jan 7, 2026
- Carris Health LLC - Medicare - Dec 19, 2025
Information sourced from the clinic's website as of July 11, 2026.
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