
Peak Gastroenterology Associates
Gastroenterology • Denver, CO • Peak Gastroenterology Associates in Denver; Peak Gastroenterology Associates at Lone Tree (as referenced) locations
About
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
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Phone
303-424-2535
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Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
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Technology & Equipment
Insurance & Payment
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Languages Spoken
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Social Media
Photos






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!"
— WebMDSynthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].
In the News
- Sarah Safadi MD - Gastroenterology - UCHealth — Oct 8, 2025
- Dr. Gareth Weiner, MD - Denver, CO - Gastroenterology — Jul 24, 2025
- Joshua Katz, P.A. - South Denver Gastroenterology, P.C. — Nov 11, 2025
Information sourced from the clinic's website as of . Own this clinic? Claim or correct this listing.
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