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Dr. Timothy Sowerby, MD

Gastroenterology
4.8 (94)
Map Pin Small Corte Madera, CA
Accepting new patients
36 years of experience

Overview of Dr. Timothy Sowerby, MD

Dr. Timothy Sowerby, MD is a Gastroenterology Specialist in Corte Madera, CA. They specialize in Gastroenterology, has 36 years of experience, and is board certified in Gastroenterology. They graduated from Charing Cross Westminster Medical Schools, University Of London and is affiliated with MarinHealth Medical Center and Novato Community Hospital. Patients rated Dr. Sowerby an average 4.8 star rating.

Dr. Sowerby works at MarinHealth Gastroenterology in Corte Madera, CA with other offices in Greenbrae, CA. They frequently treat conditions like Constipation, Irritable Bowel Syndrome and Nausea along with other conditions at varying frequencies. They are accepting new patients and accept Aetna, Anthem and Anthem Blue Cross Blue Shield as well as other major insurance plans. Please call ahead to schedule an appointment and to confirm all accepted insurance plans.

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User Ratings (of at least 4.0)
Insurance Accepted
Headshot Available
Accepting New Patients
Conditions Treated and Procedures Performed

Dr. Sowerby's Office Locations

  1. 1
    Marin Gastroenterology
    200 Tamal Plz Ste 200, Corte Madera, CA 94925 Icon Directions Right Arrow Directions Phone Icon (415) 925-6900
  2. 2
    Endoscopy Center of Marin
    1100 S Eliseo Dr Ste 3, Greenbrae, CA 94904 Icon Directions Right Arrow Directions Phone Icon (415) 464-0606
  3. 3
    Marin General Hospital
    250 Bon Air Rd, Greenbrae, CA 94904 Icon Directions Right Arrow Directions Phone Icon (415) 925-7000
    Monday
    Closed Open 24 Hours
    Tuesday
    Closed Open 24 Hours
    Wednesday
    Closed Open 24 Hours
    Thursday
    Closed Open 24 Hours
    Friday
    Closed Open 24 Hours
    Saturday
    Closed Open 24 Hours
    Sunday
    Closed Open 24 Hours

Hospital Affiliations
Admitting Hospitals

Admitting hospitals are where the provider is credentialed to see patients, perform procedures, and send patients for continuous care.

  • MarinHealth Medical Center
  • Novato Community Hospital

Experience & Treatment Frequency

NEW FEATURE

What is treatment frequency?

Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:

Very HighFrequency
HighFrequency
NormalFrequency
May Perform

Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.

Search for conditions or procedures.
Constipation
Irritable Bowel Syndrome
Nausea

Treatment frequency



Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Constipation Chevron Icon
Irritable Bowel Syndrome Chevron Icon
Nausea Chevron Icon
  • View other providers who treat Nausea
Abdominal Pain Chevron Icon
Alcoholic Cirrhosis Chevron Icon
Anemia Chevron Icon
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Barrett's Esophagus Chevron Icon
Cirrhosis Chevron Icon
Colorectal Polyp Chevron Icon
Diaphragmatic and Hiatal Hernia Chevron Icon
Diarrhea Chevron Icon
  • View other providers who treat Diarrhea
Dysphagia Chevron Icon
Esophageal Motility Disorders Chevron Icon
Gallstones Chevron Icon
Gas-Bloat Syndrome Chevron Icon
Gastric Ulcer Chevron Icon
Gastritis Chevron Icon
Gastroesophageal Reflux Disease (GERD) Chevron Icon
Gastrointestinal Bleeding Chevron Icon
Gastroptosis Chevron Icon
Hemorrhoids Chevron Icon
Hepatitis C Chevron Icon
Inflammatory Bowel Disease Chevron Icon
Intestinal Diverticulitis Chevron Icon
Intestinal Diverticulosis Chevron Icon
Liver Damage from Alcohol Chevron Icon
Noninfectious Gastroenteritis and Colitis Chevron Icon
Pancreatitis Chevron Icon
Reflux Esophagitis Chevron Icon
Unexplained Weight Loss Chevron Icon
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy Chevron Icon
Duodenal Polypectomy Chevron Icon
Endoscopy (Esophagus, Stomach, Small Intestine) Chevron Icon
ERCP (Endoscopic Retrograde Cholangiopancreatography) Chevron Icon
Flexible Sigmoidoscopy Chevron Icon
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage) Chevron Icon
Rigid Proctosigmoidoscopy Chevron Icon
Abdominal Disorders Chevron Icon
Anal and Rectal Cancer Chevron Icon
Anal or Rectal Pain Chevron Icon
Ascites Chevron Icon
  • View other providers who treat Ascites
Autoimmune Diseases Chevron Icon
Benign Neoplasm of the Digestive System Chevron Icon
Benign Tumor Chevron Icon
Biliary Atresia Chevron Icon
Biliary Cirrhosis Chevron Icon
Biliary Tract Cancer Chevron Icon
Celiac Disease Chevron Icon
Cholecystitis and Gallstones Chevron Icon
Chronic Gastritis Chevron Icon
Chronic Hepatitis B Chevron Icon
Colitis Chevron Icon
  • View other providers who treat Colitis
Colon Cancer Chevron Icon
Colon Disorders Chevron Icon
Colon Polyp Chevron Icon
Colorectal Cancer Chevron Icon
Congenital Achalasia Chevron Icon
Congenital Anomaly Intestine Chevron Icon
Crohn's Disease Chevron Icon
Diffuse Esophageal Spasm Chevron Icon
Distal Colorectal Cancer Chevron Icon
Duodenal Cancer Chevron Icon
Duodenal Ulcer Chevron Icon
Duodenitis Chevron Icon
Dysentery Chevron Icon
Enteritis Chevron Icon
Eosinophilic Esophagitis Chevron Icon
Esophageal Achalasia and Cardiospasm Chevron Icon
Esophageal Cancer Chevron Icon
Esophageal Dilation Chevron Icon
Esophageal Diseases Chevron Icon
Esophageal Diverticulum Chevron Icon
Esophageal Ulcer Chevron Icon
Esophageal Varices Chevron Icon
Esophagitis Chevron Icon
Familial Adenomatous Polyposis Chevron Icon
Familial Colorectal Cancer Chevron Icon
Functional Dyspepsia Chevron Icon
Gallbladder Diseases Chevron Icon
Gastroenteritis Chevron Icon
Gastroenterologic Cancer (Colon, Stomach, Esophageal, Liver) Chevron Icon
Gastrointestinal Diseases Chevron Icon
Gastrointestinal Malabsorption Chevron Icon
Gastrojejunal Ulcer Chevron Icon
Gastroparesis Chevron Icon
Giardiasis Chevron Icon
Heartburn Chevron Icon
Hemochromatosis Chevron Icon
Hepatitis Chevron Icon
Hepatitis A Chevron Icon
Hepatitis B Chevron Icon
Hepatitis B - Immune Response Chevron Icon
Hepatobiliary Cancer Chevron Icon
Hepatorenal Syndrome Chevron Icon
Hiatal Hernia Chevron Icon
Ileus Chevron Icon
  • View other providers who treat Ileus
Indigestion Chevron Icon
Infectious Diarrheal Disease Chevron Icon
Intestinal Cancer Chevron Icon
Intestinal Ischemia Chevron Icon
Intestinal Obstruction Chevron Icon
Intestinal Prolapse Chevron Icon
Intestinal Ulcer Chevron Icon
Ischemic Colitis Chevron Icon
Lactose Intolerance Chevron Icon
Liver Diseases and Disorders Chevron Icon
Lower Gastrointestinal Hemorrhage Chevron Icon
Mallory-Weiss Syndrome Chevron Icon
Megacolon Chevron Icon
Microscopic Ulcerative Colitis Chevron Icon
MSI-H Colorectal Cancer Chevron Icon
MSI-L Colorectal Cancer Chevron Icon
MSS Colorectal Cancer Chevron Icon
Neoplasm of Gastrointestinal Tract Chevron Icon
Non-Alcoholic Fatty Liver Disease Chevron Icon
Obstructive Jaundice Chevron Icon
Pelvic Abscess Chevron Icon
Peptic Ulcer Chevron Icon
Pouchitis Chevron Icon
Primary Biliary Cholangitis Chevron Icon
Proctoptosis Chevron Icon
Pyloric Stenosis Chevron Icon
Rectal Prolapse Chevron Icon
Retroperitoneum Cancer Chevron Icon
Splenomegaly Chevron Icon
Stomach and Small Intestine Cancer Chevron Icon
Stomach Diseases Chevron Icon
Stomal Ulcer Chevron Icon
Ulcer Chevron Icon
  • View other providers who treat Ulcer
Ulcerative Colitis Chevron Icon
Ulcerative Proctosigmoiditis Chevron Icon
Upper Digestive Tract Cancer Chevron Icon
Varices Chevron Icon
  • View other providers who treat Varices
Vascular Insufficiency of Intestines Chevron Icon
Viral Enteritis Chevron Icon
Viral Hepatitis Chevron Icon
Vitamin_Deficiency Chevron Icon
Vomiting Disorders Chevron Icon
Weight Loss Chevron Icon
Capsule Endoscopy Chevron Icon
Colon Cancer Screening Chevron Icon
Colonoscopy Chevron Icon
Colonoscopy With Polypectomy Chevron Icon
Colorectal Cancer Screening Chevron Icon
Gallbladder Scan Chevron Icon
Hemorrhoid Banding Chevron Icon
Hepatitis A Screening Chevron Icon
Hepatitis B Virus Screening Chevron Icon
Hepatitis C Virus Screening Chevron Icon
Hepatitis Screening Chevron Icon
Impedance Testing Chevron Icon
Instrumental Diagnostic Evaluation for Dysphagia Chevron Icon
Intragastric Balloon System Insertion Chevron Icon
Laparoscopic Removal of Stones from Biliary Tract Chevron Icon
Liver Function Test Chevron Icon
pH Probe Chevron Icon
  • View other providers who treat pH Probe
Screening Colonoscopy Chevron Icon
Telemedicine Chevron Icon
Transendoscopic Stent Placement Chevron Icon
VAP Lipid Testing Chevron Icon
Wireless pH Testing Chevron Icon
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    View All Accepted Carriers

    • Aetna
    • Anthem
    • Anthem Blue Cross Blue Shield
    • Blue Cross Blue Shield
    • Blue Cross Blue Shield of California
    • Blue Shield of California
    • Buckeye Community Health Plan
    • CareFirst Blue Cross Blue Shield
    • Cigna
    • Health Net
    • Health Net of California
    • Humana
    • Medicaid of California
    • PHCS
    • SCAN Health Plan
    • Triwest
    • UnitedHealthCare
    • Western Health Advantage

    * Please verify this information when scheduling an appointment.

    Ratings & Reviews
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    4.8
    Average provider rating
    Based on 94 ratings
    Patient Ratings (94)
    5 Star
    (90)
    4 Star
    (0)
    3 Star
    (0)
    2 Star
    (0)
    1 Star
    (4)
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    Dr. Sowerby's Office & Staff

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    About Dr. Timothy Sowerby, MD

    Specialties
    • Gastroenterology
    Specialties
    Years of Experience
    • 36 years of experience
    Years of Experience
    Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.

    Languages Spoken
    • English
    Languages Spoken
    NPI Number
    • 1063475952
    NPI Number
    A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.

    Education & Certifications

    Fellowship
    • Kaiser Los Angeles
    Fellowship
    Internship
    • Kaiser Permanente San Francisco Medical Center Geary Campus|Kaiser San Francisco
    Internship
    Medical Education
    • Charing Cross Westminster Medical Schools, University Of London
    Medical Education
    Board Certifications
    • Gastroenterology
    Board Certifications
    What’s a board certification and why is it important that my provider has one?

    A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

    Frequently Asked Questions

    Dr. Timothy Sowerby, MD is accepting new patients on Healthline FindCare. You can check to see if Dr. Sowerby is offering online scheduling or call the provider’s office for more information.

    Dr. Sowerby has indicated that they do offer telehealth services. Please call the provider’s office at for more information.

    Dr. Sowerby has seen patients for Constipation, Irritable Bowel Syndrome and Nausea, and more. You can see other conditions treated by Dr. Sowerby on their profile. Please call the provider’s office to confirm all visit reasons.

    94 patients have reviewed Dr. Sowerby. The overall rating for this provider is 4.8. You can read verified reviews and ratings and leave your own review based on your experience with Dr. Sowerby.

    Whether a person prefers to schedule an appointment online or over the phone with Dr. Sowerby, there are benefits to both methods. A person calling to schedule an with Dr. Sowerby appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.

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