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Peak Gastroenterology Associates

4.4 out of 5 · 122 reviews

Gastroenterology • Denver, CO • Peak Gastroenterology Associates in Denver; Peak Gastroenterology Associates at Lone Tree (as referenced) locations

About

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Peak Gastroenterology Associates is a gastroenterology practice in Denver, Colorado offering board-certified gastroenterologists and advanced diagnostic procedures. The clinic provides colonoscopies, EGD procedures for upper gastrointestinal diagnosis, and a Fast Track Colonoscopy program designed to streamline colorectal cancer screening.

Clinic Type

Gastroenterology

Address

—

Phone

303-424-2535

Email

—

Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://peakgastro.com/denver/

Services Offered

—

Technology & Equipment

  • advanced imaging technology

Insurance & Payment

—

Languages Spoken

—

Social Media

YoutubeFacebookLinkedinInstagram

Photos

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What Patients Say

Overall sentiment across review platforms: mixed

  • WebMD: 4.5/5 (80 ratings) (35 reviews)
  • Healthgrades: 3.0/5 (29 ratings) (29 reviews)
  • WebMD: 5.0/5 (44 ratings) (39 reviews)
  • Healthgrades: 5.0/5 (2 ratings) (2 reviews)
  • Healthgrades: 4.8/5 (17 ratings) (17 reviews)

Patients praise

  • Professional and knowledgeable care
  • Strong communication skills and willingness to explain procedures
  • Compassionate and patient-centric approach
  • Smooth and efficient procedure processes
  • Effective diagnostic and treatment outcomes

Common complaints

  • Perceived arrogance or dismissive bedside manner
  • Poor communication or lack of empathy
  • Long wait times and scheduling/billing issues
  • Negative clinical experiences (e.g., misdiagnosis or unnecessary/incomplete procedures)

"Dr Wisser is probably a skilled doctor. But her bedside manners are smug and dismissive."

— WebMD

"Zero personality and terrible bedside manner. Barely greets patients and spends little time explaining things. Makes you feel as if questions are an imposition."

— Healthgrades

"Dr. Rhee was kind, professional, and reassuring throughout my colonoscopy. He made the whole experience smooth and stress-free. Highly recommend!"

— WebMD

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

In the News

Information sourced from the clinic's website as of July 10, 2026.

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