Gastroenterologist

Industry Leading Gastroenterologists

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Our Legacy

GI Alliance’s legacy of caring for the communities we serve is built on a solid foundation of physician excellence. Dr. James Weber is the visionary founder and CEO of GI Alliance. He strives to ensure that GI Alliance locations provide the best GI care to patients nationwide. This is accomplished through each and every patient experience.

About Us

Thousands of happy patients

The staff as well as the doctor are very attentive and professional, highly recommended.

I.Q. Google

It was a great visit. Was in and out quickly!

J.O. Google

Dr. Zierer and staff provide caring, professional service and efficiency.

S.P. Google

Very precise and thorough shows concern for your Hurting and sends you on Follow-ups to make sure your ok! Very caring.

J.Z. Google

Personal care and respects patients input.

T.M. Google

71891

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4.9

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Gastroenterology Conditions

Colonoscopy Screening

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Why Choose a GI Alliance Provider?

Our patients come first. GI Alliance physicians strive to be your partner in GI health. As the leading gastroenterology practice in the country, we have the resources and experience to find a solution to improve your life. We look forward to earning your trust.

About GI Alliance

Colonoscopy: The Gold Standard for Colon Cancer Detection & Prevention

Colonoscopies provide preventative measures and are far more conclusive than at-home testing because it prevents cancer by identifying and removing over 95% of dangerous polyps during the procedure. Your provider can also collect tissue samples for pathology testing to further determine if cancerous cells are present. As a result, colonoscopies are considered the gold standard for colorectal cancer detection and prevention.

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Inflammatory Bowel Disease: Get the Facts

Inflammatory bowel diseases (IBD), including Crohn's Disease and ulcerative colitis, affect approximately 1.6 million Americans, many before age 35. Over 80,000 children in the US are living with IBD, and an estimated 70,000 new cases among children and adults are diagnosed each year. These chronic, life-long conditions can be treated – but not cured.

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Chronic Care Management

Infusion Services

About Home Screening

Patient Reviews