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Clinic Type

Gastroenterology

Address

—

Phone

515-247-3266

Email

—

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

—

Insurance & Payment

—

Languages Spoken

—

What Patients Say

Overall sentiment across review platforms: mixed

  • University of Iowa Health Care (David E. Elliott): 4.71/5 (430 ratings)
  • University of Iowa Health Care (Steven Polyak): 4.84/5 (533 ratings)
  • University of Iowa Health Care (Serhan Karvar): 4.68/5 (468 ratings)
  • UI Health Care, Jefferson Street Gastroenterology: 3.2/5 (6 reviews)
  • WebMD (Dr. Alan Gunderson): 5.0/5 (2 ratings)
  • Vitals (Dr. Michael D. Voigt): 4.9/5 (1 review)
  • Vitals (Dr. Roger J. Ewing): 4.0/5 (1 review)

Patients praise

  • professional and knowledgeable care
  • caring and compassionate staff/doctors
  • thorough explanation of conditions and treatments
  • effective procedural care (e.g., colonoscopies)

Common complaints

  • dismissive bedside manner
  • misdiagnosis concerns
  • poor communication of medical issues
  • difficulty getting timely appointments or effective treatment plans

"Was told I puke and don’t eat because I have depression and anxiety... Not kind at all did not see one smile while I was there."

— Birdeye review of UI Health Care, Jefferson Street Gastroenterology

"She has got to be one of the best physicians I have ever seen. She is caring, takes the time to listen, and is very knowledgeable."

— Vitals review of Dr. Caryn Berkowitz

"There are a huge number of experts a patient can choose from with University of Iowa Health Care... if they’re the best of the best, that’s where I’d want my care too."

— UI Health Care provider profile for Steven Polyak

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

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

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