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Phoenix Endoscopy, LLCPhoenix Endoscopy, LLC

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Take Action at 45 to Beat the Trend!

More Young Adults Are Getting Colon Cancer.

Schedule Your Colonoscopy Today

Celebrating Our Patient Experience Scores

Our Ratings Exceed National Averages

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Prioritizing Patient Care

Our physicians exceed national benchmarks for quality care.

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El cáncer de colon se puede prevenir.

Realícese una prueba por su familia. Realícese una prueba por usted.

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Take a virtual tour of our center today.

Prevent Colon Cancer

Learn more about colonoscopies.

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About Us

Learn more about our center.

Phoenix’s Best GI Doctors

Our gastroenterologists and staff at Phoenix Endoscopy 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). With two convenient locations in central and downtown Phoenix, we are proud to serve thousands of patients in the Phoenix Metro area.

We believe in compassionate medicine, where patients feel reassured and unrushed. We hold ourselves to the highest of standards, as the center is accredited by the Accreditation Association for Ambulatory Health Care (AAAHC) and CMS.

Our board-certified GI doctors specialize in performing myriad GI procedures, including colonoscopy, esophageal dilation, flexible sigmoidoscopy, upper endoscopy and small bowel enteroscopy.

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

Phoenix Endoscopy 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.com to help boost colon cancer screenings and prevention for residents in greater Phoenix.

Patient Forms

At Phoenix Endoscopy, 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 patients may complete before their 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

Phoenix Endoscopy accepts most major insurance. We will bill your insurance carrier; however, we cannot tell you what your policy will cover. Since your insurance policy and coverage are 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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David J. Drewitz David J. Drewitz M.D., F.A.C.G. Michael R. Mills Michael R. Mills M.D., A.G.A.F., F.A.C.G., F.A.S.G.E, M.P.H Adam Randolph Adam Randolph M.D. Shiva Ratuapli Shiva Ratuapli M.D. Eugene F. Tharalson Eugene F. Tharalson M.D.
4.9/5
4.9 /5
2,056 Reviews

Google
5.0/5
Apr 29, 2026
Google • Phoenix Endoscopy, LLC

Google
5.0/5
Apr 29, 2026
Google • Phoenix Endoscopy, LLC

Try Phoenix Endoscopy when you need genuine and caring people you can count on to see your through. They care about your concerns, how you're feeling or any needs you have, before during, even after the procedure.

Google
5.0/5
Apr 29, 2026
Google • Phoenix Endoscopy, LLC

The colonoscopy/endoscopy went smoothly with clear instructions leading up to and during the procedure. The follow-up was immediate with a sense of caring for the patient.

Google
5.0/5
Apr 29, 2026
Google • Phoenix Endoscopy, LLC

From time I walked in until time I was released they were Great very attentive and explained everything to me. Thanks to each and everyone of you!!!🥰

Google
5.0/5
Apr 29, 2026
Google • Phoenix Endoscopy, LLC

The office is clean and the staff is very friendly. I had an easy procedure and felt supported the whole way through. Communication and prep was top notch.


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Recent Posts
Take a Google 360 Virtual Tour of Phoenix Endoscopy

Take a Google 360 Virtual Tour of Phoenix Endoscopy

Step inside Phoenix Endoscopy and explore our state-of-the-art facility from the comfort of your home with our new 360° virtual tour.

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Patient Finds Answers Through Timely GI Evaluation at ASC

Patient Finds Answers Through Timely GI Evaluation at ASC

Discover how one patient found answers for chronic digestive issues at an ambulatory surgery center (ASC).

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You're Not Too Young: Why Colon Cancer Screening Matters

You're Not Too Young: Why Colon Cancer Screening Matters

Colorectal cancer is increasingly affecting adults under 50, making it a growing concern among younger populations.

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Phoenix Endoscopy, LLC
349 East Coronado Road ,
Phoenix, AZ 85004

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