4.3
6 Ratings with 3 written Reviews
Summary
Dr. Benjamin Siemanowski treats colon polyps, GERD, and acid reflux, and performs lower GI endoscopy, colonoscopy, and kidney transplant biopsy. He practices gastroenterology and internal medicine and has 26 years of experience. He is affiliated with Peacehealth Saint Joseph Medical Center and Peacehealth United General Medical Center. He completed his residency at the University of Utah College of Medicine and sees patients in Bellingham and Sedro Woolley, Washington. Patients on Vitals rate Dr. Siemanowski 4.33 out of 5.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 26 years of experience
- speaks English
- University of Utah College of Medicine
- 3 written reviews
- 2 specialties
- 11 areas of expertise
- 2 hospital affiliations
- 5 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Benjamin Siemanowski has 5 locationsNorthwest Gastroenterology Pllc
3111 Woburn St Ste 201Bellingham, WA 98226Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Peacehealth Gastroenterology
4545 Cordata Pkwy Ste 1BBellingham, WA 98226 Tel: (360) 752-5216
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Peacehealth United General Medical Center
2000 Hospital DrSedro Woolley, WA 98284 Tel: (360) 856-6021
Northwest Endoscopy Center Llc
3111 Woburn St Ste 101Bellingham, WA 98226Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Benjamin Siemanowski, MD | Ji Soo Choi, APRN | Dr. Qassam Abdul Jabbar, MD | Dr. Robert Millan Dy, DO |
| Gastroenterology | Gastroenterology | Critical Care Medicine | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 26 Years of Experience | 14 Years of Experience | 34 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English | Speaks English, Spanish | Speaks English, Spanish |
| Bellingham , WA | Sacramento , CA | Hialeah , FL | Honolulu , HI |
| Med School: Sidney Kimmel Medical College At Thomas Jefferson University | Med School: New York University | Med School: Touro New York College Of Osteopathic Medicine | Med School: University Of New England College Of Osteopathic Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Benjamin Siemanowski
Medical Specialties
Dr. Benjamin Siemanowski has the following 2 specialties
Specialty Expertise
Dr. Benjamin Siemanowski has the following 11 areas of expertise
Certifications, License, & Education
26 Years Experience
Dr. Benjamin Siemanowski holds an expired medical license in the state of Washington.
Medical License
Medical Doctor with an expired medical license in the state of Washington that expired in 2026.
Education & Training
Residency
Completed their residency at University of Utah College of Medicine.
Medical School
Graduated from Sidney Kimmel Medical College At Thomas Jefferson University in 2000.
NPI Number
Dr. Siemanowski's NPI number is 1548301120.
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Frequently Asked Questions
- Which hospitals is Dr. Benjamin Siemanowski affiliated with?
- Dr. Benjamin Siemanowski is affiliated with Peacehealth Saint Joseph Medical Center and Peacehealth United General Medical Center.
- Where is Dr. Benjamin Siemanowski's office located?
- Dr. Benjamin Siemanowski's office is located at 3111 Woburn St Ste 201, Bellingham, WA, 98226.
- Does Dr. Benjamin Siemanowski accept virtual/telehealth appointments?
- Dr. Benjamin Siemanowski has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. Benjamin Siemanowski?
- You can find contact information for Dr. Benjamin Siemanowski here on Vitals.
- Does Dr. Benjamin Siemanowski accept my insurance?
- You can see the insurance plans that Dr. Benjamin Siemanowski accepts on their Vitals profile.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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