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Dr. Timothy Sowerby, MD

Dr. Timothy Sowerby, MD

Gastroenterology*
35+ years of experience

Dr. Timothy Sowerby, MD is a gastroenterologist in Corte Madera, CA and has over 35 years of experience in the medical field. Dr. Sowerby has extensive experience in Pancreatic Disease. He graduated from Charing Cross Westminster Medical Schools, University Of London in 1987. He is affiliated with medical facilities Marinhealth Medical Center and Novato Community Hospital. He is accepting new patients and telehealth appointments.

4.8 Star Rating
Based on 94 reviews 4.8 Star Rating (94 reviews)

Practice

200 Tamal Vista Blvd Ste 200 Corte Madera, CA 94925
Telehealth available

Make an Appointment

(415) 925-6900

Hospital Highlight

Dr. Sowerby is affiliated with Novato Community Hospital Novato, a highly rated hospital.

Dr. Sowerby is a Healthgrades Choice provider in Gastroenterology

The Healthgrades Choice designation helps you understand the most important factors to consider when choosing a healthcare professional. This designation is earned based on four set standards.
Read our methodology

  • Above average experience
  • Good hospital quality
  • Good patient ratings
  • No healthcare sanctions
  • Area of Expertise
    Dr. Sowerby specializes in the area of Gastroenterology. • See board certifications
  • Explains Conditions Well
    Patients said this doctor explains conditions well. • See reviews
  • Offers Telehealth
    This doctor offers telehealth appointments. Call the office to schedule an appointment.
  • Practices at Top Hospital
    Patient Safety Excellence Award™ • See hospitals
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Dr. Sowerby's Reviews

Likelihood to recommend Dr. Sowerby

4.8

94 ratings, 36 with a written review
5 Star
96%
96%
4 Star
0%
0%
3 Star
0%
0%
2 Star
0%
0%
1 Star
4%
4%

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RecentHighestLowestMost Helpful
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
1 person found this helpful
Helpful
Clare Trick – Sep 11, 2021
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Dave K – May 07, 2021
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Amy Corbett – Mar 27, 2021
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Richard Francis Locke – Mar 23, 2021
×Post a ResponseAre you Dr. Timothy Sowerby, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Bernie Poppe – Feb 22, 2021
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Isaac Young – Nov 27, 2020
×Post a ResponseAre you Dr. Timothy Sowerby, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Erik K – Oct 22, 2020
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What went well
  • Listened & answered questions
  • Staff friendliness
  • Appointment wasn't rushed
What could be improved
No results
Helpful
Tom G – Oct 20, 2020
×Post a ResponseAre you Dr. Timothy Sowerby, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
Oct 14, 2020
×Post a ResponseAre you Dr. Timothy Sowerby, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
1 person found this helpful
Helpful
Joyce Carrera – Aug 26, 2020
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
1 person found this helpful
Helpful
Aug 20, 2020
×Post a ResponseAre you Dr. Timothy Sowerby, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
1 person found this helpful
Helpful
Margaret (Peggy) Devincenzi – Aug 19, 2020
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
1 person found this helpful
Helpful
Kamyar – Aug 06, 2020
×Post a ResponseAre you Dr. Timothy Sowerby, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
john kaiser – Aug 04, 2020
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Staff friendliness
What could be improved
No results
Helpful
Jun 30, 2020
×Post a ResponseAre you Dr. Timothy Sowerby, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
  • Wait times
What could be improved
No results
Helpful
Angie – Feb 22, 2020
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What went well
No results
What could be improved
No results
Helpful
Hank Miller – Feb 21, 2020
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What went well
No results
What could be improved
No results
Helpful
John Murphy – Jan 31, 2020
×Post a ResponseAre you Dr. Timothy Sowerby, MD?
What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
Helpful
harry rosenbluth – Dec 24, 2019
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What went well
  • Appointment scheduling
  • Listened & answered questions
  • Explained conditions well
  • Staff friendliness
  • Appointment wasn't rushed
  • Trusted the provider's decisions
What could be improved
No results
1 person found this helpful
Helpful
Jul 30, 2019
×Post a ResponseAre you Dr. Timothy Sowerby, MD?

Leave a review

How was your experience with Dr. Sowerby?

Know Before You Go

About Me

care philosophy

At Marin Gastroenterology, we specialize in the diagnosis, treatment and prevention of diseases of the digestive system. We provide consultations both in our office and at Marin General Hospital. Each year we perform over 4,000 endoscopic procedures,...read more

  • Gastroenterology

  • Internal Medicine

*Healthgrades does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.

  • Kaiser Los Angeles

    Fellowship Hospital, 1995

  • Kaiser Permanente San Francisco Medical Center Geary Campus|kaiser San Francisco

    Internship Hospital, 1991

  • Charing Cross Westminster Medical Schools, University Of London

    Medical School, 1987
American Board of Medical Specialties®
American Board of Internal Medicine®
- 
Gastroenterology
For detailed information about any of the below board actions, please search for the provider's records on the linked state licensing board or the Federation of State Medical Boards. To learn more about the difference between these sources, please refer to our FAQs.
Healthgrades has not received any data indicating a board action exists for this provider.

Healthgrades receives board action history for physicians and physician assistants. The information displayed here is sourced from independent information providers, such as state board websites, and may not be the most up-to-date information. Healthgrades makes no representations with respect to the accuracy of any information provided here and assumes no responsibility or liability for such information.

Learn more about medical license public record check

Dr. Sowerby is a Healthgrades Choice provider in Gastroenterology

    Read our methodology

    Focus on IBD

    Locations

    Practice

    Office200 Tamal Vista Blvd Ste 200 Corte Madera, CA 94925
    1

    Practice

    Marin General Hospital250 Bon Air Rd Greenbrae, CA 94904
    2
    • Call
    • Fax
    • Hours
      • Mon: closed
      • Tue: closed
      • Wed: closed
      • Thu: closed
      • Fri: closed
      • Sat: closed
      • Sun: closed
    • Directions

    Practice

    Endoscopy Center of Marin1100 S Eliseo Dr Ste 3 Greenbrae, CA 94904
    3

    Affiliated Hospitals

    • Novato Community Hospital

      180 Rowland Way
      Novato, CA 94945
      Recipient of 11
      hospital awards

      Patient Safety Excellence Award™ (2025, 2024, 2023)

      Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications

      View all awards

      How patients felt about the care they received at this hospital.

      87%
      Patients said they were given information about recovering at home
      84%
      Patients said that doctors always listened to them and explained things well

      6% higher than the national average

      View all patient feedback

    • Marinhealth Medical Center

      250 Bon Air Rd
      Greenbrae, CA 94904
      Recipient of 3
      hospital awards

      America's 250 Best Hospitals Award™ (2025, 2024)

      Top 5% in the nation for consistently delivering clinical quality

      Gastrointestinal Care Excellence Award™ (2024)

      Top 5% in the nation for consistently delivering clinical quality

      View all awards

      How patients felt about the care they received at this hospital.

      85%
      Patients said they were given information about recovering at home

      1% higher than the national average

      70%
      Patients said that doctors always listened to them and explained things well

      6% lower than the national average

      View all patient feedback
    Learn more about how Healthgrades measures Hospital Quality