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Department of Internal Medicine

Internal MedicineSioux Falls, SD

★★★★★4.9/52,346 reviews across 6 platforms

Ratings by platform

  • Sanford Health (Elizabeth Hart, MD): 4.8/5 (204 ratings) (204 ratings)
  • Sanford Health (Mark Lounsbery, DO): 4.9/5 (448 ratings) (448 ratings)
  • Sanford Health (Sara Ruter, MD): 4.9/5 (485 ratings) (485 ratings)
  • Sanford Health (Robert Behrend, MD): 4.7/5 (245 ratings) (245 ratings)
  • Sanford Health (David Nelson, MD): 4.9/5 (537 ratings) (537 ratings)
  • Sanford Health (Derek Lee, MD): 4.8/5 (427 ratings) (427 ratings)

What patients say

Patients praise

  • Strong listening skills and bedside manner
  • Thorough explanations of health conditions and treatments
  • Efficient clinic operations and friendly support staff
  • Collaborative, patient-centered decision making
  • Effective coordination of care with specialists

Common complaints

  • Perceived rushing during appointments
  • Occasional concerns about Medicare vs. comprehensive checkups
  • Isolated reports of unprofessional communication

In patients' words

"Dr. Burkhardt is a caring provider who has a genuine and authentic demeanor. He takes the time to listen effectively and makes you feel like you are the best expert about yourself."

Patient review for Avera Medical Group

"Dr. Miller & his staff are very kind, considerate, and thorough. When with me, they are excellent listeners & helpful with their suggestions. I feel heard & cared for."

Patient review for Avera Medical Group

"Dr Terpstra is such a pleasant, caring person who really takes the time to listen to you as a patient and do what is best for you."

Patient review for Sanford Internal Medicine Clinic

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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