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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. Jeffrey Douglass:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (3)

The overall average patient rating of Dr. Jeffrey Douglass, Gastroenterologist is Excellent. Dr. Douglass has been reviewed by 8 patients who have provided 3 comments. The rating is 4.5 out of 5 stars.

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

Specialties & Research

Dr. Jeffrey Douglass, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 12 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Colon Cancer
  • Colonoscopy
  • Constipation
  • Crohn's Disease
  • Endoscopic Retrograde Cholangiopancreatography (ERCP)
  • Hepatitis
  • Hepatitis C
  • Inflammatory Bowel Diseases (IBD)
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis
  • Viral Human Hepatitis

Education & Awards

Dr. Douglass graduated from Oregon Health & Science University, Portland.


Dr. Douglass has 3 hospital affiliations:

  • Providence Newberg Medical Center 
  • Providence Willamette Falls Medical Center 
  • Legacy Meridian Park Hospital 


  • English

> > > > Dr. Jeffrey Douglass, MD

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Additional Information
Dr. Jeffrey Matthew Douglass MD is a male Internist, has 13 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Jeffrey M. Douglass practice?
Dr. Jeffrey Douglass has 1 office location.
Dr. Jeffrey Douglass practices Internal Medicine and Gastroenterology near Tualatin, OR.
See Tualatin Internists and Tualatin Gastroenterologists.