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License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (10)

The overall average patient rating of Dr. Michael Mills, Gastroenterologist is Excellent. Dr. Mills has been reviewed by 26 patients who have provided 10 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.4
Promptness 4.5
Courteous Staff 4.6
Accurate Diagnosis 4.8
Bedside Manner 4.9
Spends Time with Me 4.9
Follows Up After Visit 5.0

Specialties & Research

Dr. Michael Mills, MD is board certified in Gastroenterology.

  • He has special expertise in 7 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Endoscopic Retrograde Cholangiopancreatography (ERCP)
  • Endoscopic Ultrasound (Fetoscopy)
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Mills graduated from Tulane University, New Orleans. He has 5 awards.

Patients' Choice Award (2011 - 2014)
Compassionate Doctor Recognition (2011 - 2014)
Top 10 Doctor - State (2014)
Top 10 Doctor - Metro Area (2014)
Phoenix Metro Area
Top 10 Doctor - City (2014)
Phoenix, AZ


Dr. Mills has 10 hospital affiliations:

  • Banner Good Samaritan Regional Medical Center 
  • CHANDLER REGIONAL Medical Center 


  • Spanish
  • English

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Additional Information
Dr. Michael R Mills MD is a male Internist, has 20 years of experience and practices in Gastroenterology.
Where does Dr. Michael R. Mills practice?
Dr. Michael Mills has 1 office location.
Dr. Michael Mills practices Gastroenterology near Phoenix, AZ.
See Phoenix Gastroenterologists.