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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 (2)

The overall average patient rating of Dr. Joseph Davis, Gastroenterologist is Good. Dr. Davis has been reviewed by 17 patients who have provided 2 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.4
Promptness 3.1
Courteous Staff 2.7
Accurate Diagnosis 2.9
Bedside Manner 2.9
Spends Time with Me 2.7
Follows Up After Visit 2.7

Specialties & Research

Dr. Joseph Davis, MD is board certified in Gastroenterology.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Davis graduated from Creighton University, Omaha.


Dr. Davis has 4 hospital affiliations:

  • CHANDLER REGIONAL Medical Center 
  • Carondelet St. Joseph`s 


  • English

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Additional Information
Dr. Joseph Daniel Davis MD is a male Internist, has 15 years of experience and practices in Gastroenterology.
Where does Dr. Joseph D. Davis practice?
Dr. Joseph Davis has 9 office locations.
Dr. Joseph Davis practices Gastroenterology near Chandler, AZ.
Additional practice locations include: Gilbert, AZ and Phoenix, AZ.
See Chandler Gastroenterologists.