Northwest Gastroenterology Clinic
Gastroenterology • Portland, OR
About
Northwest Gastroenterology Clinic is a Portland, Oregon-based private medical practice offering gastroenterology and endoscopy services, including an associated Endoscopy Center. Highlights: - Location: HQ at 1130 NW 22nd Ave, Portland, OR; 5 offices across the Portland area. - Services: Gastroenterology care for digestive disorders; endoscopy and colonoscopy procedures. - Experience: Over 30 years in practice; 14 board-certified gastroenterologists and 3 advanced clinicians. - Size: About 9 employees; leadership includes Executive Director Rachel Sieveke. - Website: nwgastro.net - Contact: Main phone numbers 503-229-1883 / 503-229-7137
Clinic Type
Gastroenterology
Address
Portland, OR
Phone
(503) 229-1883
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Opening Hours
Not published — contact the clinic to confirm hours.
Website
Services Offered
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Team
Insurance & Payment
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Languages Spoken
In the News
- Northwest Gastroenterology Clinic Llc | Portland, OR | Booking — Feb 4, 2026
- Digestive Health - Portland - Adventist Health — Sep 8, 2025
- Debbie F. Cheng, MD | Portland, OR - Providence — Oct 5, 2025
- Michael Barth, PA-C | The Oregon Clinic — Sep 30, 2025
- Portland VA Medical Center | Veterans Affairs - VA.gov — Apr 13, 2026
Information sourced from the clinic's website as of July 11, 2026.
More gastroenterology clinics in Portland
The Portland Clinic is a long-established, private multispecialty medical group in the Portland metro area (founded 1921; over 100 years of service). It operates 6 offices in Oregon (including Portland and Beaverton) and serves more than 90,000 families annually. The clinic’s gastroenterology service is part of its internal medicine/gastroenterology offerings, alongside specialties such as gynecology, cardiology, dermatology, orthopedics, and more. For Gastroenterology at The Portland Clinic, expect patient-centered care using modern facilities and a broad range of GI services as part of their multispecialty care model.
The Oregon Clinic (Portland) offers gastroenterology services, including endoscopy (EUS/ERCP) and related GI care across multiple Northwest Oregon locations. The East Gateway area appears to be part of their Portland Metro footprint, with a focus on gastroenterology specialists, patient services, and ongoing physician recruitment and practice expansion (e.g., new gastroenterology physicians joining West Portland locations in 2026). For specific East Gateway GI providers, scheduling, and services (EUS/ERCP, colonoscopy, GI consults), contact The Oregon Clinic directly or visit their Portland GI locations page to confirm East Gateway availability and physicians.
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