Summary

Dr. Benjamin Siemanowski is a gastroenterologist and internal medicine physician with 26 years of experience treating digestive and general health conditions. He earned his medical degree from Sidney Kimmel Medical College at Thomas Jefferson University and completed his residency at the University of Utah College of Medicine. Dr. Siemanowski speaks English fluently.

Dr. Siemanowski practices at multiple locations in Bellingham and Sedro Woolley, Washington, with affiliations at PeaceHealth Saint Joseph Medical Center and PeaceHealth United General Medical Center. He specializes in treating common digestive issues including colon polyps, GERD, and acid reflux. His expertise includes performing pathology tests and surgical pathology procedures to help diagnose and monitor various conditions. Patients rate Dr. Siemanowski 4.3 out of 5 stars on average.

AI-generated from data on this provider profile.

Quick Facts

  • accepting new patients
  • 4.3
  • 26 years of experience
  • speaks English
  • University of Utah College of Medicine
  • 3 written reviews
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 5 office locations
  • Male

Office Locations

Dr. Benjamin Siemanowski has 5 locations

Northwest Gastroenterology Pllc

3111 WOBURN ST STE 201BELLINGHAM, WA 98226
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 Gastroenterology

4545 Cordata Pkwy Ste 1BBellingham, WA 98226
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 Saint Joseph Medical Center

2901 Squalicum PkwyBellingham, WA 98225

Northwest Endoscopy Center Llc

3111 WOBURN ST STE 101BELLINGHAM, WA 98226
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

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Dr. Benjamin Siemanowski, MDJi Soo Choi, APRNDr. Jeffrey Mark PontDr. Neel Ramesh Chheda
GastroenterologyGastroenterologyInternal MedicineFamily Medicine
Accepts New Patients Accepts New Patients
4.3 
26 Years of Experience 44 Years of Experience 9 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English
BELLINGHAM , WASACRAMENTO , CABellingham , WABellingham , WA
Med School: Sidney Kimmel Medical College At Thomas Jefferson University Med School: New York University Med School: Wayne State University School Of Medicine Med School: A T Still University College Of Osteopathic Medicine
Current Profile
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Insurance Plans Accepted by Dr. Benjamin Siemanowski

  • Accepts Medicare

Medical Specialties

Dr. Benjamin Siemanowski has the following 2 specialties

Specialty Expertise

Dr. Benjamin Siemanowski has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

26 Years Experience

MEDICAL LICENSE

Medical Doctor, Washington, 2026, Expired

EDUCATION & TRAINING

Residency

University of Utah College of Medicine

Medical School

Sidney Kimmel Medical College At Thomas Jefferson UniversityGraduated in 2000

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Frequently Asked Questions

Where is Dr. Benjamin Siemanowski's office located?
Dr. Benjamin Siemanowski's office is located at 3111 WOBURN ST STE 201, BELLINGHAM, WA, 98226.
What languages does Dr. Benjamin Siemanowski speak?
Dr. Benjamin Siemanowski speaks English.
Is Dr. Benjamin Siemanowski accepting new patients?
Dr. Benjamin Siemanowski is accepting new patients on Vitals. View Dr. Benjamin Siemanowski's profile on Vitals to make an appointment.
Does Dr. Benjamin Siemanowski accept my insurance?
You can see the insurance plans that Dr. Benjamin Siemanowski accepts on their Vitals profile.
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.

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