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Gastroenterology and Hepatology

Gastroenterology • Vermillion, SD

About

Gastroenterology

1104 West Eighth Street, Yankton, SD 57078

605-665-7841

aryken@yanktonmedicalclinic.com

Monday – Friday 8 a.m. – 5:30 p.m.; Saturday 8:30 a.m. – Noon; ConvenientCare Hours: Monday – Friday 5 – 8 p.m.; Saturday & Sunday Noon – 4 p.m.

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Overall sentiment across review platforms: mixed

BirdEye (Sanford Vermillion): 79% patient experience rating (Sanford Vermillion Hospital) (61 reviews (Sanford Vermillion Medical Center))
Avera Medical Group Gastroenterology (Dr. Adam Smith): 4.8/5 (78 ratings)
Avera Medical Group Gastroenterology (Jodi Julius, CNP): 4.9/5 (79 ratings)

Patients praise

doctors described as thorough and attentive listeners
appreciation for clear explanations of medical plans
positive feedback for nursing staff bedside manner in hospital settings
high satisfaction with specific gastroenterology specialists in regional networks (e.g., Sioux Falls)

Common complaints

reports of poor communication regarding test results
dissatisfaction with staff bedside manner or professionalism
negative experiences with nurse practitioners or administrative staff in regional GI departments
mixed or low ratings on third-party review aggregators for local clinics

"Dr Smith was wonderful. Listened to me and seemed to genuinely care. I'm sure he hears the same thing over and over but he sure didn't show it!"

— Avera Medical Group Gastroenterology Patient Review

"Had a couple of test done and haven’t sent the results like they said they would. Got a rude pregnant girl that didn’t address my throat problem."

— Sanford Vermillion Medical Center Facebook Review

"The first few visits were okay... Then later on I saw NP she was awful. Medical gaslighting... I switched to Sanford and they are 100% better."

— Avera Medical Group Gastroenterology Review

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

Real-World Effectiveness of Upadacitinib for Perianal Crohn's Disease — May 15, 2026
Real-World Effectiveness of Upadacitinib for Perianal Crohn's Disease — May 15, 2026
Matthew Schaner, PA-C | Gastroenterology - Bismarck, ND — Apr 23, 2026
Real-World Effectiveness of Upadacitinib for Perianal Crohn's Disease — May 15, 2026

Information sourced from the clinic's website as of July 11, 2026.