Gateway Gastroenterology
Gastroenterology • Clayton, MO • Since 1985 • Multiple locations including Chesterfield main office and several centers (Endoscopy Center, SCOPES, St Luke’s GI Lab, St Louis Multi-Specialty Surgery Center) locations
About
Gateway Gastroenterology is a private medical practice (founded 1985) offering gastroenterology and hepatology services. Based in Chesterfield, MO, with multiple US offices (including Saint Louis area) and a presence in the Philippines. They provide expert consultations from board-certified gastroenterologists and advanced nurse practitioners, focusing on digestive health. The practice employs about 9 people and uses eClinicalWorks for its tech stack. Service areas include diagnostic consultations, GI/hepatology care, and related digestive health services. Contact options include multiple phone numbers and the website gatewaygi.com.
Clinic Type
Gastroenterology
Address
17298 N. Outer 40 Road, Suite 200, Chesterfield, MO 63005
Phone
314-529-4900
Jraspberry@Gatewaygi.com
Opening Hours
Monday: 8:00 AM - 4:00 PM; Tuesday: 8:00 AM - 4:00 PM; Wednesday: 8:00 AM - 4:00 PM; Thursday: 8:00 AM - 4:00 PM; Friday: 8:00 AM - 4:00 PM; Saturday: Closed; Sunday: Closed
Website
Emergency Care
Available for emergencies
Services Offered
Insurance & Payment
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Insurance, Self-pay
Languages Spoken
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FAQs
What procedures are performed?
Colonoscopy, upper endoscopy, capsule endoscopy, breath testing, and other diagnostic tests.
Do you offer Saturday hours?
Yes, at Gateway Endoscopy Center for routine procedures.
What are the office hours?
Monday–Friday 8:00 AM – 4:00 PM; Saturday and Sunday closed.
Where is the Main Office located?
17298 N. Outer 40 Road Suite 200, Chesterfield, MO 63005.
Do you have other locations for procedures?
Yes. Procedures are performed at Gateway Endoscopy Center (Saint Louis), SCOPES (Des Peres), Saint Louis Multi-Specialty Surgery Center (Ballwin), and St Luke’s Hospital (Chesterfield).
What services do you offer besides office visits?
On-site diagnostic tests like capsule endoscopies, breath testing, and infusion services.
Awards & Accreditations
Photos
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What Patients Say
Overall sentiment across review platforms: positive
- Official Practice Website: 4.9/5 overall rating based on 500 reviews (source-reported) (500 (practice-reported total))
- Tebra: 4.92/5 (692)
- BestProsInTown: Not specified (199)
Patients praise
- Professional and knowledgeable physicians
- Kind, attentive, and caring nursing staff
- Thorough explanations of procedures and conditions
- Positive patient experiences during procedures
- Effective, patient-centered communication
Common complaints
- Wait times for appointments
- Frustration with billing department/insurance communication
- Difficulties with administrative/intake processes
"Clearly described my conditions and all the options for dealing with it. Did not push for unnecessary procedures. Made me feel as if we are a team dealing with my health."
— Tebra patient review"My only complaint was I had to wait 50 minutes past my appointment time. But it was due to an emergency, and I did have the time."
— Gateway Gastroenterology website testimonial"Horrific experience with billing department, drawn out for months and given numerous reasons why the bill has been given in first place when all services are 100% covered by insurance. Very rude."
— MapQuest/Yelp user reviewSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Trust Gateway Gastroenterology with Your Digestive Health | FOX 2 — Jun 5, 2026
- Premier Gastroenterology Specialists — Apr 3, 2026
Information sourced from the clinic's website as of July 11, 2026.
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