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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).

Learn more about Dr. Viju Deenadayalu:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (7)

The overall average patient rating of Dr. Viju Deenadayalu, Gastroenterologist is Excellent. Dr. Deenadayalu has been reviewed by 13 patients who have provided 7 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 4.2
Courteous Staff 4.6
Accurate Diagnosis 4.4
Bedside Manner 4.3
Spends Time with Me 4.6
Follows Up After Visit 4.7

Specialties & Research

Dr. Viju Deenadayalu, MD is board certified in Gastroenterology.

  • He has special expertise in 8 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Colon Cancer
  • Colonoscopy
  • Constipation
  • Hepatitis C
  • Inflammatory Bowel Diseases (IBD)
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Deenadayalu graduated from Wright State University, Dayton. He has 3 awards.

Honorable mention in the ACP/ASIM medical student poster competition Dean’s List: Indiana University, Bloomington, Indiana
Nominee for the Walter J. Daly Outstanding Internal Medicine Resident Award, Indiana University School of Medicine, Indianapolis
Patients' Choice Award (2011 - 2012, 2014)


Dr. Deenadayalu has 2 hospital affiliations:

  • Providence Milwaukie Hospital 
  • Providence Portland Medical Center 


  • English

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Additional Information
Dr. Viju Philip Deenadayalu MD is a male Internist, has 9 years of experience and practices in Gastroenterology.
Where does Dr. Viju P. Deenadayalu practice?
Dr. Viju Deenadayalu has 1 office location.
Dr. Viju Deenadayalu practices Gastroenterology near Portland, OR.
See Portland Gastroenterologists.