Dr. Douglas A Shumaker MD
Gastroenterologist | Gastroenterology
9701 Sw Barnes Rd Suite 300 Portland OR, 97225About
Dr. Douglas Shumaker is a gastroenterologist practicing in Portland, OR. Dr. Shumaker specializes in the digestive system and its diseases that affect the gastrointestinal tract, which include organs from the mouth to the anus as well as liver disorders. Gastroenterology includes conditions such as hepatitis, peptic ulcer disease, colitis, nutritional problems and irritable bowel syndrome. Dr. Shumaker performs colonoscopy and endoscopy procedures and provides accurate and thorough care for patients suffering from digestive issues.
Education and Training
Or Hlth Sci Univ Sch of Med, Portland Or 1994
Oregon Health And Science University School of Medicine,Portland, Or, United States 1994
Oregon Health & Science University School of Medicine 1994
Board Certification
Internal MedicineAmerican Board of Internal MedicineABIM
Provider Details
Expert Publications
Data provided by the National Library of MedicineTreatments
- Pancreatitis
- Crohn's Disease
- Acid Reflux
- Colon Polyps
- Indigestion
- Gallstones
- Pain
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Nearby Providers
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- Dr. Christopher R Carter MD9701 Sw Barnes Rd Portland OR 97225
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- Dr. Alan H Kaynard MD9701 SW Barnes Rd Ste 300 Portland OR 97225