Dr. Dirk J. van Leeuwen
- Gender: Male
- Experience: 42 years
- Sole propriator: No
- NPI: 1205941309
Dr. Dirk J. van Leeuwen M.D., PH.D.
Gastroenterologist
He is located at 10000 Southeast Main Street Suite 112 in Portland, OR 97216. Can help patients with the following: Barrett's Esophagus, Carcinoid Tumor, Crohn's Disease, Diverticulosis, Gastric Bypass Surgery, Influenza. His National Provider Identifier (NPI) number is 1205941309. Appointment can be made via the phone number (503) 255-3054. He is affiliated with 2 practices.
Conditions treated
Dr. Dirk Jacob Van Leeuwen, 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. Dirk J. van Leeuwen.
- 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)
- Jaundice
- Lactose Intolerance
- Leaky Gut Syndrome
- Liver Cancer
- Liver Disease
- Liver Transplant
- 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)
- Viral Hepatitis
Procedures Performed by Dr. Dirk J. van Leeuwen
Medicare Enrollment
Dr. Dirk J. van Leeuwen is enrolled to bill Medicare as a Practitioner - Gastroenterology .
Bills through: Southern Maine Health Care
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.
Additional Specialities
- Hepatologist
- Internist
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Questions & Answers
What conditions does Dr. Dirk Jacob Van Leeuwen treat?
Dr. Dirk Jacob Van Leeuwen provides treatment for Barrett's Esophagus, Carcinoid Tumor, Crohn's Disease, Diverticulosis, Gastric Bypass Surgery, Influenza. For the full list see this list.
Does Dr. Dirk Jacob Van Leeuwen have affiliation with practices?
Dr. Dirk Jacob Van Leeuwen is affiliated with Southern Maine Health Care. For the full list of practices see this list.
Where can you meet with Dr. Dirk Jacob Van Leeuwen?
Dr. Dirk Jacob Van Leeuwen's office is located at 10000 Southeast Main Street Suite 112 in Portland, OR 97216.