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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 (11)

The overall average patient rating of Dr. Douglas Masson is Excellent. Dr. Masson has been reviewed by 47 patients who have provided 11 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.4
Promptness 4.4
Courteous Staff 4.7
Accurate Diagnosis 4.5
Bedside Manner 4.3
Spends Time with Me 4.2
Follows Up After Visit 4.3

Specialties & Research

Dr. Douglas Masson, MD is board certified in Urology.

  • He has special expertise in 9 areas:
  • Colon Cancer
  • Colonoscopy
  • Hepatitis
  • Infertility
  • Inflammatory Bowel Diseases (IBD)
  • Overactive Urinary Bladder
  • Prostate Cancer (Prostatic Neoplasm)
  • Urinary Incontinence
  • Viral Human Hepatitis

Education & Awards

Dr. Masson graduated from University of Washington, Seattle. He has 6 awards.

Patients' Choice 5th Anniversary Award (2012 - 2013)
Patients' Choice Award (2008 - 2014)
Compassionate Doctor Recognition (2009 - 2010, 2012 - 2014)
Top 10 Doctor - Metro Area (2014)
Greater Portland
Top 10 Doctor - State (2014)
On-Time Doctor Award (2009, 2014)


Dr. Masson has 5 hospital affiliations:

  • Southwest Washington Medical Center 
  • Legacy Emanuel Hospital & Health Ctr 


  • German
  • English

> > > > Dr. Douglas Masson, MD

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Additional Information
Dr. Douglas B Masson MD is a male Urologist, has 21 years of experience and practices in Urology.
Where does Dr. Douglas B. Masson practice?
Dr. Douglas Masson has 2 office locations.
Dr. Douglas Masson practices Urology near Vancouver, WA.
See Vancouver Urologists.