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Gastroenterologist (digestive)
33 years of experience
Accepting new patients
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 (3)

The overall average patient rating of Dr. Barry Wiss is Excellent. Dr. Wiss has been reviewed by 11 patients who have provided 3 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 3.9
Courteous Staff 4.3
Accurate Diagnosis 4.6
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 4.6

Specialties & Research

  • 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. Wiss graduated from Des Moines University. He has 2 awards.

Patients' Choice Award (2014)
Compassionate Doctor Recognition (2010, 2014)


Dr. Wiss has 6 hospital affiliations:

  • John C Lincoln Hospital - Deer Valley 
  • Banner Thunderbird Medical Center 

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Additional Information
Dr. Barry Richard Wiss DO and MD is a male Internist, has 33 years of experience and practices in Gastroenterology.
Where does Dr. Barry R. Wiss practice?
Dr. Barry Wiss has 1 office location.
Dr. Barry Wiss practices Gastroenterology near Phoenix, AZ.
See Phoenix Gastroenterologists.