
Mayo Clinic
Internal Medicine • Willmar, MN
Clinic Type
Internal Medicine
Address
—
Phone
+14803018000
giftplanning@mayo.edu
Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
—
Insurance & Payment
—
Languages Spoken
—
Social Media
Photos








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].
Information sourced from the clinic's website as of . Own this clinic? Claim or correct this listing.
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