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North Valley Endoscopy CenterNorth Valley Endoscopy Center

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Expanding Our Provider Team

Introducing Dr. Sirish Rao and Dr. Prabhakar Swaroop

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Celebrating Our Patient Experience Scores

Our Ratings Exceed National Averages

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Beat the Trend. Get Screened at 45!

More Young Adults Are Getting Colon Cancer.

Schedule Your Colonoscopy Today

El cáncer de colon se puede prevenir.

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

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Thank you, Phoenix!

We're Honored to Serve You

How We're Keeping You Safe

Learn what steps we've added to keep you safe

Prevent Colon Cancer

Learn more about colonoscopies.

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About Us

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Phoenix’s Best GI Doctors

Our gastroenterologists and staff at North Valley Endoscopy Center 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).

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

Our board-certified GI doctors specialize in a myriad of GI procedures, including colonoscopy, esophageal dilation, 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

North Valley Endoscopy Center 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 for residents in Maricopa County.

Patient Forms

At North Valley Endoscopy Center, 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

North Valley Endoscopy Center accepts most major insurance. We will bill your insurance carrier for you; 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

Shifat Ahmed Shifat Ahmed M.D. Michael F. Foley Michael F. Foley D.O. Mark D. Gulinson Mark D. Gulinson M.D. Ronald J. Hauptman Ronald J. Hauptman M.D. Sirish Rao Sirish Rao M.D. Prabhakar Swaroop Prabhakar Swaroop M.D.
4.9/5
4.9 /5
1,071 Reviews

Google
5.0/5
Feb 2, 2026
Google • North Valley Endoscopy Center

Excellent care provided

Facebook
5.0/5
Feb 2, 2026
Facebook • North Valley Endoscopy Center

they were very nice and professional.

Google
5.0/5
Feb 2, 2026
Google • North Valley Endoscopy Center

Doctor was very professional

Google
5.0/5
Feb 2, 2026
Google • North Valley Endoscopy Center

Great team, great service, great experience.

Google
5.0/5
Jan 31, 2026
Google • North Valley Endoscopy Center


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North Valley Endoscopy Center
15255 North 40th Street, Building 8-157,
Phoenix, AZ 85032

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