Michael Mills, M.D.



349 E Coronado Rd

Phoenix, AZ 85004

Closing soon at 5 PM

Quick Facts

  • Virtual Telemedicine Visits Available, Call For Details
  • Board Certified Gastroenterologist
  • Currently Accepting New Patients
  • Most Insurance Plans Accepted
  • Performs Colonoscopies

Arizona Digestive Health - Phoenix, AZ - Coronado

Gastroenterology in Phoenix, AZ

Arizona Digestive Health - Phoenix, AZ - Coronado

349 E Coronado Rd

Phoenix, AZ 85004

Closing soon at 5 PM


Arizona Digestive Health - Phoenix, AZ - Estrella

Gastroenterology in Phoenix, AZ

Arizona Digestive Health - Phoenix, AZ - Estrella

9305 W Thomas Rd

Ste 370

Phoenix, AZ 85037

By appointment only.

Request an 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.


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

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
  • Crohn's and Colitis Foundation

Awards or Distinctions

  • 2023 Crohn's & Colitis Foundation Champion of Mission Honoree
  • Recognized in Phoenix Magazine's “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 is very thorough and personable. He did not make me feel rushed and listened to all of my concerns.

L.P. Google

Everything was great Dr Mills is the best He always takes time to listen to me.

J.K. Google

I’m a new patient and it was a positive experience. Dr Mills was responsive to my needs and suggested medications that could be helpful. It’s working.

V.D. Google

Amazing doctor, very detailed and cares a lot about his patients and helping as much as possible. Highly recommend his help and expertise!

C.M. Google

Great staff. Congenial, efficient, caring, and covers all the bases. Dr. Mills began this practice 22 years ago. Undoubtedly his expertise and leadership make this one of the best if not the best patient experiences of my life. Thank you all.

W.P. Google


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