Summary

Dr. Jeffrey Douglass treats colon polyps, ulcerative colitis, and Crohn's disease, and performs colonoscopy, lower GI endoscopy, and kidney transplant biopsy. He practices gastroenterology and internal medicine and has 27 years of experience. He is affiliated with Legacy Meridian Park Medical Center and Providence Newberg Medical Center.

Dr. Douglass earned his medical degree from Oregon Health & Science University School of Medicine. He sees patients in Newberg, Tualatin, and Portland, Oregon, and speaks English and Spanish. Patients on Vitals rate Dr. Douglass 4.38 out of 5.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.4
  • 27 years of experience
  • speaks English, Spanish
  • Oregon Health & Science University School Of Medicine
  • 6 written reviews
  • 2 specialties
  • 16 areas of expertise
  • 2 hospital affiliations
  • 6 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Jeffrey Matthew Douglass has 6 locations

The Oregon Clinic Gastroenterology South Newberg

879 N Providence DrNewberg, OR 97132
Mon6:30 am - 5:00 pm
Tue6:30 am - 5:00 pm
Wed6:30 am - 5:00 pm
Thu6:30 am - 5:00 pm
Fri6:30 am - 5:00 pm
SatClosed
SunClosed

The Oregon Clinic Gastroenterology South Tualatin

19250 SW 90th AveTualatin, OR 97062
Mon7:00 am - 5:00 pm
Tue7:00 am - 5:00 pm
Wed7:00 am - 5:00 pm
Thu7:00 am - 5:00 pm
Fri7:00 am - 5:00 pm
SatClosed
SunClosed

The Oregon Clinic Gastroenterology

879 N Providence DrNewberg, OR 97132

Providence Newberg Medical Center

1001 N Providence DrNewberg, OR 97132

The Oregon Clinic

541 Ne 20th Ave Ste 225Portland, OR 97232
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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Dr. Jeffrey Matthew Douglass, MD
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Dr. Jeffrey Matthew Douglass, MDGordon George YenokidaElizabeth Alice Gates PeijnenburgChristopher George Suciu
GastroenterologyCritical Care MedicineAnesthesiologyPathology
Accepts New Patients
4.4 
27 Years of Experience 51 Years of Experience 8 Years of Experience 12 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish
Newberg , ORLake Oswego , ORBellevue , WASt. Louis , MO
Med School: Oregon Health & Science University School Of Medicine Med School: University Of California Davis School Of Medicine Med School: Johns Hopkins University School Of Medicine Med School: Tulane University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Jeffrey Matthew Douglass

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Jeffrey Matthew Douglass has the following 2 specialties

Specialty Expertise

Dr. Jeffrey Matthew Douglass has the following 16 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colon Cancer
  • Colonoscopy
  • Constipation
  • Crohn's Disease
  • Endoscopic Retrograde Cholangiopancreatography (ERCP)
  • Hemorrhoids
  • Hepatitis
  • Hepatitis C
  • Inflammatory Bowel Diseases (IBD)
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

27 Years Experience

Dr. Jeffrey Matthew Douglass holds an expired medical license in the state of Oregon.

Medical License

Medical Doctor with an expired medical license in the state of Oregon that expired in 2025.

Education & Training

Medical School

Graduated from Oregon Health & Science University School Of Medicine in 1999.

NPI Number

Dr. Douglass' NPI number is 1487611984.

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Frequently Asked Questions

Does Dr. Jeffrey Douglass accept my insurance?
You can see the insurance plans that Dr. Jeffrey Douglass accepts on their Vitals profile.
Is Dr. Jeffrey Douglass accepting new patients?
Dr. Jeffrey Douglass is accepting new patients on Vitals. View Dr. Jeffrey Douglass's profile on Vitals to make an appointment.
Which hospitals is Dr. Jeffrey Douglass affiliated with?
Dr. Jeffrey Douglass is affiliated with Legacy Meridian Park Medical Center and Providence Newberg Medical Center.
Where is Dr. Jeffrey Douglass's office located?
Dr. Jeffrey Douglass's office is located at 879 N Providence Dr, Newberg, OR, 97132.
What languages does Dr. Jeffrey Douglass speak?
Dr. Jeffrey Douglass speaks English and Spanish.

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