Dr. Timothy M. Sowerby
- Gender: Male
- Experience: 34 years
- Graduation year: 1987
- Sole propriator: No
- NPI: 1063475952
Dr. Timothy M. Sowerby MD
Gastroenterologist
He is located at 3900 Lakeville Highway in Petaluma, CA 94954. Can help patients with the following: Abdominal Pain, Blood in Stool, Fatty Liver Disease, Indigestion, Influenza, Swallowing Disorders. His National Provider Identifier (NPI) number is 1063475952. Appointment can be made via the phone number (707) 765-3900. He is affiliated with 1 practices and 2 hospitals.
Conditions treated
Dr. Timothy M. Sowerby, 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. Timothy M. Sowerby.
- 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. Timothy M. Sowerby
Medicare Enrollment
Dr. Timothy M. Sowerby is enrolled to bill Medicare as a Practitioner - Gastroenterology .
Bills through: Permanente Medical Group Inc
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
| AbbVie | $3637 |
| Allergan | $500 |
| Shire North American Group | $462 |
Other
| Food and Beverage | $6400 |
| Consulting | $1750 |
| Travel and Lodging | $41 |
Studies
Graduated in 1987Additional Specialities
- Internist
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Questions & Answers
Does Dr. Timothy M. Sowerby have affiliation with practices?
Dr. Timothy M. Sowerby is affiliated with Marin Gastroenterology.
Where can you meet with Dr. Timothy M. Sowerby?
Dr. Timothy M. Sowerby's office is located at 3900 Lakeville Highway in Petaluma, CA 94954.
Has Dr. Timothy M. Sowerby affiliation with hospitals?
Dr. Timothy M. Sowerby is affiliated with NOVATO COMMUNITY HOSPITAL. For the full list of hospitals see this list.
What conditions does Dr. Timothy M. Sowerby treat?
Dr. Timothy M. Sowerby provides treatment for Abdominal Pain, Blood in Stool, Fatty Liver Disease, Indigestion, Influenza, Swallowing Disorders. For the full list see this list.