Dr. Benjamin Siemanowski
- Gender: Male
- Experience: 21 years
- Graduated from: Jefferson Medical College Of Thomas Jefferson University
- Graduation year: 2000
- Sole propriator: No
- NPI: 1548301120
Dr. Benjamin Siemanowski M.D.
Gastroenterologist
He is located at 3111 Woburn Street Suite 201 in Bellingham, WA 98226. Can help patients with the following: Childhood Obesity, Constipation, Fatty Liver Disease, Heart Disease, Influenza, Primary Biliary Cirrhosis (PBC). His National Provider Identifier (NPI) number is 1548301120. Appointment can be made via the phone number (360) 734-1420. He is affiliated with 1 practices and 1 hospitals.
Conditions treated
Dr. Benjamin Siemanowski, being an gastroenterologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Benjamin Siemanowski.
- Abdominal Pain
- Acute Pain
- Anemia
- Arthritis
- Ascites
- Asthma
- Atherosclerosis
- Autoimmune Hepatitis
- Bad Breath
- Barrett's Esophagus
- Bladder Control
- Bleeding Varices
- Blood in Stool
- Botulism
- Cancer
- Carcinoid Tumor
- Celiac Disease
- Chest Pain
- Childhood Obesity
- Cholecystitis
- Chronic Obstructive Pulmonary Disease (COPD)
- Cirrhosis
- Clostridium Difficile Colitis
- Colitis
- Colonoscopy
- Common Cold
- Constipation
- Crohn's Disease
- Cystitis
- Diarrhea
- Diverticulosis
- Edema
- Eosinophilic Esophagitis
- Esophagitis
- Fatty Liver Disease
- Feeding and Swallowing
- Fever
- Food Allergies
- Gallbladder Pain
- Gastric Bypass Surgery
- Gastritis
- Gastroesophageal Reflux Disease (GERD)
- Gastroparesis
- General Care
- Headache
- Heart Disease
- Heartburn
- Helicobacter Pylori Infection
- Hemorrhoids
- Hepatitis A (HAV)
- Hepatitis B (HBV)
- Hepatitis C (HCV)
- Hiatal Hernia
- High Blood Pressure
- Hot Flashes
- Hyperlipidemia
- Hyponatremia
- Indigestion
- Inflammatory Bowel Disease (IBD)
- Influenza
- Inguinal Hernia
- Internal Bleeding
- Intussusception
- Irritable Bowel Syndrome (IBS)
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Disease
- Migraine
- Nausea and Vomiting
- Obesity
- Osteoporosis
- Pancreas Divisum
- Pancreatic Cancer
- Pancreatic Cysts
- Pancreatitis
- Peptic Ulcer
- Portal Hypertension
- Prescription Refill
- Primary Biliary Cirrhosis (PBC)
- Primary Sclerosing Cholangitis (PSC)
- Stomach Cancer
- Swallowing Disorders
- Ulcerative Colitis
- Urethritis
- Urinary Tract Infection (UTI)
Procedures Performed by Dr. Benjamin Siemanowski
Medicare Enrollment
Dr. Benjamin Siemanowski is enrolled to bill Medicare as a Practitioner - Gastroenterology (also registered under: Practitioner - Internal Medicine) .
Bills through: Northwest Gastroenterology Professional Llc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Janssen | $154 |
| Covidien | $122 |
| FUJIFILM Medical | $118 |
Other
| Food and Beverage | $585 |
| Other | $119 |
Studies
JEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated in 2000Additional Specialities
- Internist
Looking for more Gastroenterologists?
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Questions & Answers
What conditions does Dr. Benjamin Siemanowski treat?
Dr. Benjamin Siemanowski provides treatment for Childhood Obesity, Constipation, Fatty Liver Disease, Heart Disease, Influenza, Primary Biliary Cirrhosis (PBC). For the full list see this list.
Where can you meet with Dr. Benjamin Siemanowski?
Dr. Benjamin Siemanowski's office is located at 3111 Woburn Street Suite 201 in Bellingham, WA 98226.
Has Dr. Benjamin Siemanowski affiliation with hospitals?
Dr. Benjamin Siemanowski is affiliated with ST JOSEPH MEDICAL CENTER.
Does Dr. Benjamin Siemanowski have affiliation with practices?
Dr. Benjamin Siemanowski is affiliated with Northwest Gastroenterology Professional.