Steven T. Zierer, M.D.



6020 E Arbor Ave Ste 101

Mesa, AZ 85206

Open today 7 AM - 5 PM

Quick Facts

  • Colon Cancer Screenings
  • IBD, Crohn’s Disease, Ulcerative Colitis
  • Acid Reflux/Heartburn
  • Expert Endoscopy and Colonoscopy
  • Currently Accepting New Patients
  • Most Insurance Plans Accepted

Mesa - East

Gastroenterology in Mesa, AZ

Mesa - East

6020 E Arbor Ave

Ste 101

Mesa, AZ 85206

Open today 7 AM - 5 PM


East Valley Endoscopy

Gastroenterology in Mesa, AZ

East Valley Endoscopy

6020 East Arbor Avenue

Ste. 105

Mesa, AZ 85206

By appointment only.

Request Appointment

If you are experiencing a medical emergency, please call 9-1-1. This form is intended for non-urgent appointment requests only. Non-emergency requests will be responded to within 24-48 hours.

About Steven T. Zierer, M.D.


  • B.S. Indiana University – Bloomington, IN
  • M.D. Indiana University School of Medicine – Indianapolis, IN
  • Internship / Residency – Saint Joseph Regional Medical Center – 1989 – 1992
  • Gastroenterology / Hepatology Fellowship – Good Samaritan Regional Medical Center / Carl Hayden Phoenix VA Hospital – 1992-1994
  • Advanced Therapeutic Endoscopy Fellowship – Good Samaritan Regional Medical Center / Carl Hayden Phoenix VA Hospital – 1994-1995

Board Certification

  • American Board of Internal Medicine – Gastroenterology & Hepatology

Associations/ Memberships

  • American College of Gastroenterology
  • American Society of Gastrointestinal Endoscopy
  • Phoenix Society of Gastroenterology

Hospital Affiliations

  • Banner Baywood Heart Hospital
  • Banner Baywood Medical Center
  • Banner Boswell Hospital


The staff was caring. Everyone was great!

K.L. Google

My colonoscopy was easy breezy except the fasting Doctor Ziener did a good job. 👍

K.F. Google

All staff are extremely friendly and professional and I highly recommend this Group of physicians!

B.R. Google

Everyone was so professional, and so very nice to me. I was so nervous and everyone help me.

L.M. Google

Very caring staff. Everything explained easily. Procedures done with no issues.

P. Google


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