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Endoscopy Center of MarinEndoscopy Center of Marin

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Your Safety is Our Top Priority

Learn what measures we have taken to keep you safe.

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45? Time To Screen For Colon Cancer.

Early detection may save your life.

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Patient Experience Exceeds Expectations

Our patient experience scores exceed national averages

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No Out-of-Pocket Expense for Your Colonoscopy

By May 31, 2022, most health insurance plans will fully cover this procedure to evaluate a positive stool-based test for colon cancer. Check with your insurance about your coverage.

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How We're Keeping You Safe

Learn what steps we've added to keep you safe

Prevent Colon Cancer

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About Us

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Why Choose Us?

Our gastroenterologists and staff at Endoscopy Center of Marin are dedicated to providing quality, affordable care to the community in our quest to lower colon cancer rates and treat an array of digestive diseases, including Crohn’s Disease, irritable bowel syndrome (IBS) and gastroesophageal reflux disease (GERD).

Our board-certified GI doctors specialize in performing a myriad of GI procedures, including colonoscopy, flexible sigmoidoscopy and upper endoscopy.

If you are due for a colonoscopy or in need of a GI procedure, don’t put it off any longer. Give us a call today!

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For Your Visit

Endoscopy Center of Marin is committed to ensuring that your experience with us is relaxed and worry-free, from consultation through recovery. To assist us, we ask that you read and comply with all guidelines.

We’re pleased to partner with StopColonCancerNow to help boost colon cancer screenings and prevention.

Patient Forms

At Endoscopy Center of Marin, your time is as valuable to us as it is to you. That’s why we provide online access to a variety of forms that you may complete before your visit. The following documents will help us expedite the check-in process for your appointment. Please take a moment to download and print the appropriate form(s).

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Insurance and Billing

Endoscopy Center of Marin accepts most major insurances. We will bill your insurance carrier for you; however, we cannot tell you what your policy will cover. Since your insurance policy and coverage is between you and your carrier, we urge you to contact them prior to your procedure. You will be responsible for any co-pays and deductibles.

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Meet Our Physicians

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Mark Bazalgette Mark Bazalgette M.D. John Bettinger John Bettinger M.D. Wendy Davis Wendy Davis M.D. Christopher Hogan Christopher Hogan M.D. Natalie Lee Natalie Lee M.D. Vikram Malladi Vikram Malladi M.D. Ripple Sharma Ripple Sharma M.D., FACG Tim Sowerby Tim Sowerby M.D. Elijah Verheyen Elijah Verheyen M.D.
4.8/5
4.8 /5
75 Reviews

Google
5.0/5
Jan 24, 2023
Google • Endoscopy Center of Marin

Very friendly, thorough and timely.

Google
5.0/5
Jan 22, 2023
Google • Endoscopy Center of Marin

The medical professionals at the Endoscopy Center of Marin are very professional, respectful, efficient and friendly. I highly recommend this facility!

Google
5.0/5
Jan 18, 2023
Google • Endoscopy Center of Marin

Everyone at the endoscopy center was friendly, courteous, skilled & professional. They practice safe, efficient medical procedures, placing patient, safety, care and experience as a priority.

Google
5.0/5
Jan 18, 2023
Google • Endoscopy Center of Marin

Everything went very smoothly: the nurses and doctors were super friendly, interested, gentle, attentive, informative, even ready for a smile and an exchange of light remarks. It was a breeze. Bravo and thank you everybody.

Google
5.0/5
Jan 10, 2023
Google • Endoscopy Center of Marin

My 1/5/2023 colonoscopy procedure went smoothly. I would like to give a “thank you so much” to the staff I encountered during my time there at the Endoscopy Center. You all were warm, friendly, professional and helped soothe my pre-procedure jitters to reassure me that the procedure would go fine. Also, I thank Dr. Ripple Sharma for playing the Hawaiian Reggae music I requested during the procedure. I didn’t have any serious adverse side effects after the procedure, just sleepiness from the anesthesia and was fine the next day.


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Endoscopy Center of Marin
1100 South Eliseo Drive, Suite 3,
Greenbrae, CA 94904

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