Dr. Sowerby graduated from Charing Cross and Westminster Medical School, University of London, England in 1987. He completed pre-registration house officer appointments (internships) in general surgery and medicine at the Queen Elizabeth Hospital, Kings Lynn and the West Middlesex University Hospital, London respectively. These were followed by senior house office appointments in family practice and medicine at Queen Elizabeth Hospital, Kings Lynn. In 1990 he moved to California. After a residency in internal medicine at Kaiser Foundation Hospital, San Francisco he completed a fellowship in gastroenterology Kaiser Foundation Hospital, Los Angeles. From 1995 to 2000 he was a member of the Permanente Medical Group practicing gastroenterology in both San Francisco and San Rafael. In 2000, Dr. Sowerby entered private practice in Marin County. Dr. Sowerby. is Board Certified in Gastroenterology.
Dr. Timothy Martin Sowerby, MD
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Doctor Organizations
- Marinhealth Medical Center
Doctor Education
Medical School
1987
Charing Cross & Westminster Medical Schools
Work Place
Endoscopy Center Of Marin
1100 S Eliseo Dr Ste 3
Greenbrae
CA
94904
USA
+14159257000
Specialties
Procedures performed
- Proctosigmoidoscopy
- Sigmoidoscopy
- Esophageal Dilatation
- Colonoscopy
Insurance Plans
- Accepts Medicare
- Accepts Medicaid
- Blue Cross CA Pathway X PPO
- Blue Shield CA PPO
- Multiplan PPO
- BC CA California Care Small Group HMO
- Blue Shield CA Access Plus Savenet
- CIGNA PPO
- Aetna Choice POS II
- UHC Navigate POS
- Blue Cross CA PPO Prudent Buyer Small Group
- Blue Shield CA Bronze Full PPO 4500
- Blue Cross CA PPO Prudent Buyer Individual
- CIGNA HMO
- Health Net CA HMO Employer Group
- Blue Cross CA Select Plus HMO
- Blue Cross CA Advantage PPO Preferred DirectAccess Plus
- Western Health Advantage
- CIGNA Open Access Plus
- Aetna HMO
- Blue Shield CA Silver 70 PPO
- Humana Choice POS
- BCBS Blue Card PPO
- Blue Cross CA PPO Prudent Buyer Large Group
- Health Net CA HMO Whole Care Network
- Blue Shield CA Local Access Plus HMO
- Health Net CA Individual and Family PPO
- Blue Shield CA Platinum Access+ HMO 25
- BS CA Platinum 90 PPO
- PHCS PPO Kaiser
- Aetna Managed Choice POS Open Access
- UHC Options PPO
- Anthem BC Pathway X EPO Network
- UHC West SignatureValue HMO
- Aetna Savings Plus of CA
- UHC Navigate HMO
- Blue Shield CA Platinum Local Access + HMO 25
- Health Net CA PPO
- Aetna HMO Deductible Plan CA only
- First Health PPO
- UHC Choice Plus POS
- Blue Cross CA California Care Large Group HMO
- PHCS PPO
- Aetna Signature Administrators PPO
- Blue Shield CA Access Plus HMO
- Blue Shield CA Bronze 60 PPO SHOP
- Health Net PureCare One EPO Individual & Family Plan
- Health Net SmartCare Large Group
- Humana National POS
- CIGNA LocalPlus
- Blue Shield CA Trio ACO HMO
- Aexcel PPO
- Anthem Advantage HMO
- Canopy Health
- Health Net CA HMO
- Health Net CA HMO Wholecare
- MEDICA CHOICE WITH UNITEDHEALTHC
- UHC NAVIGATE PLUS POS
- UHC Nexus Open Access
- Health Net SmartCare Network HMO Large Group
- Aetna Elect Choice EPO Open Access
- Aetna Innovation Health Aetna Premier Care Network Plus
- Aetna Open Choice PPO
- BCBSA Blue Card High Performance Network
- Blue Cross CA Anthem Advantage HMO
- Blue Cross CA Anthem Blue Connection EPO CA
- Blue Cross CA California Care Small Group HMO
- Blue Shield CA Platinum 90 PPO
- Blue Shield of CA 2021 I&F PPO Plan
- Humana / ChoiceCare Network PPO
- Medica Choice With UHC
- Oscar Northern CA Cigna + Oscar LocalPlus
- Oscar Northern CA Cigna + Oscar Open Access Plus
- UHC SignatureValue Advantage HMO - CA
- UHC SignatureValue HMO - CA
- Blue Shield CA Tandem PPO
- BCBS Pathway EPO
- Aetna AWH Northern CA HMO
- Oscar CA Cigna + Oscar LocalPlus
- Oscar CA Cigna + Oscar Open Access Plus
- Blue Cross CA Select PPO
- Health Net PureCare HSP Individual and Family Plans
- Blue Shield CA Blue High Performance Network EPO
- Blue Cross CA Anthem High Performance Network
- Blue Cross CA Pathway EPO
Conditions
- Acute Pancreatitis
- Inflammatory Bowel Disease (IBD)
- Celiac Disease
- Esophagitis
- Chronic Pancreatitis
- Cholelethiasis or Cholecystitis
- Intestinal Obstruction
- Pancreatic Cancer
- Hemorrhoids
- Cirrhosis
- Rectal
- Abdomen
- Small Intestines
- or Colon Cancer
- Gastritis and Duodenitis
- Benign Polyps of the Colon
- Gastrointestinal Hemorrhage
- Malignant Neoplasm of Esophagus
- Malignant Neoplasm of Colon
- Peptic Ulcer Disease
- Constipation
- Irritable Bowel Syndrome (IBS)
- Diverticulitis
- Gastroesophageal Reflux Disease (GERD)
- Reviews
- Q&A
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