Michael R. Mills, M.D.


349 E Coronado Rd

Phoenix, AZ 85004

Open today 8 AM - 4 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

Phoenix – Coronado

Gastroenterology in Phoenix, AZ

Phoenix – Coronado

349 E Coronado Rd

Phoenix, AZ 85004

Open today 8 AM - 4 PM


Phoenix - Estrella

Gastroenterology in Phoenix, AZ

Phoenix - Estrella

9305 W Thomas Rd

Ste 370

Phoenix, AZ 85037

Open today 8 AM - 4 PM


Phoenix Endoscopy

Gastroenterology in Phoenix, AZ

Phoenix Endoscopy

349 East Coronado Road

Phoenix, AZ 85004
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 Michael R. Mills, M.D.


  • B.S. University of Arizona – Tucson, AZ
  • M.D. Tulane University School of Medicine – New Orleans, LA
  • M.P.H. Tulane University School of Public Health & Tropical Medicine – New Orleans, LA
  • Internal Medicine Residency – University of Colorado School of Medicine
  • Gastroenterology Fellowship – University of Arizona Health Sciences Center, Carl T. Hayden VA Medical Center, Banner Good Samaritan Regional Medical Center

Additional Languages

  • Spanish

Board Certification

  • American Board of Internal Medicine – Gastroenterology & Hepatology

Associations/ Memberships

  • American College of Gastroenterology
  • American Gastroenterological Association
  • American Medical Association
  • American Society of Gastrointestinal Endoscopy
  • Arizona Medical Association
  • Maricopa County Medical Society
  • New Life Society, Board Member
  • Phoenix Society for Gastroenterology

Awards or Distinctions

  • Recognized in Phoenix Magazine “Top Docs”
  • Recognized in America’s Top Physicians
  • Fellow, American Society for Gastrointestinal Endoscopy (FASGE)
  • Fellow, American College of Gastroenterology (FACG)
  • Clinical Assistant Professor of Medicine, University of Arizona
  • President-Elect (2012), Maricopa County Medical Society
  • President, Board of Trustees, Arizona Foundation for Medical Care
  • Volunteer, St. Vincent de Paul Medical Clinic

Hospital Affiliations

  • Banner Estrella Medical Center
  • Banner University Medical Center


Dr. Mills has been my GI doc for 15 years. He is kind, compassionate and listens to what you say. He understands Ehlers- Danlos and knows how to help patients who have some unusual health issues associated with it. I value him as an important member of my health care providers!

A.S. Google

Dr. Mills has been my gastroenterologist for several years and has always listened to my concerns with respect & given me excellent treatment to try to eliminate my problems. He is a professional that you can easily relate to. I highly recommend him.

B.B. Google

Dr. Mills is the best could never figure out why GI docs don't have a nutritionist on staff. Dr. Mills does

E.V. Google

Dr. Mills is very knowledgeable and caring. He spent quite a bit of time with me explaining my test results. I was referred to him by my gastroenterologist who is a top doc in Phoenix.

P.F. Google

Dr Mills is awesome. I love that he is so patient and does not rush you through your visit.

M.A. Google


Total Reviews


Average Rating