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University of Wisconsin Division of Gastroenterology and Hepatology

GastroenterologyMadison, WI

★★★★★4.6/5115 reviews across 5 platforms

Ratings by platform

  • Birdeye (UW Health 20 S. Park Clinic Gastroenterology and Hepatology): 4.8/5 (28 reviews)
  • U.S. News (patient experience rating) - Gastroenterologists at UW Health University Hospital: 4/5 (31 reviews)
  • U.S. News (Dr. Ian Grimes): 5/5 (patient experience) (32 reviews total)
  • U.S. News (Dr. John B. Williams): 5/5 (patient experience) (20 reviews total)
  • PissedConsumer (UW Health): 1.7/5 (out of 5) (4 reviews)
  • Comparably (UW Health customer reviews): 3 positive / 10 constructive (CSAT summary) (13 reviews)

What patients say

Patients praise

  • Kind/caring clinicians and helpful communication
  • Professional explanations and patient education
  • Positive preventative exam experience
  • High physician patient-experience scores on U.S. News for some individual gastroenterologists

Common complaints

  • Billing/estimate discrepancies and coding errors (BBB complaint summary)
  • Long wait times for appointments and difficulty getting help
  • Perceived lack of treatment for digestive conditions (complaint narratives)
  • Overall customer service/quality-of-care concerns and “room for improvement”

In patients' words

"“Was nice meeting my new doctor Dr. Daniels. Everybody was very nice… everything was explained to me.”"

Birdeye review snippet for UW Health 20 S. Park Clinic Gastroenterology and Hepatology

"“A very kind and caring team. The best experience you could ask for on those preventative exams.”"

Yelp review snippet for UW Health - Digestive Health Center (Madison)

"“When I received the bill… it was for more than double the amount that was estimated.”"

BBB complaints page summary for UW Health

"“AWFUL HEALTHCARE… SOONEST APPOINTMENT TO SEE A DOCTOR WAS 4 MONTHS OUT.”"

PissedConsumer page (UW Health)

"“Out of the 13 UW Health customer reviews 3 were positive and 10 were constructive.”"

Comparably page (UW Health reviews)

How these reviews were compiled

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

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