Overview
Douglas Shumaker is a Gastroenterologist in Portland, Oregon. Dr. Shumaker is rated as an Experienced provider by MediFind in Colonoscopy. His top areas of expertise are Crohn's Disease, Childhood Pancreatitis, Irritable Bowel Syndrome (IBS), Endoscopy, and Pancreatectomy.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- INSURANCE PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE
- PPO
- EPO
- HMO
- PPO
- HMO
- POS
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- PPO
- EPO
- PPO
- EPO
- HMO
- POS
- PPO
Locations
Additional Areas of Focus
Dr. Shumaker has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
David Lieberman is a Gastroenterologist in Portland, Oregon. Dr. Lieberman is rated as an Elite provider by MediFind in Colonoscopy. His top areas of expertise are Colorectal Cancer, Barrett Esophagus, Familial Colorectal Cancer, Colonoscopy, and Endoscopy.
University Professional Services
Seth Crockett is a Gastroenterologist in Portland, Oregon. Dr. Crockett is rated as a Distinguished provider by MediFind in Colonoscopy. His top areas of expertise are Colorectal Cancer, Colorectal Polyps, Sclerosing Mesenteritis, Colonoscopy, and Endoscopy. Dr. Crockett is currently accepting new patients.
Amnon Sonnenberg is a Gastroenterologist in Portland, Oregon. Dr. Sonnenberg is rated as a Distinguished provider by MediFind in Colonoscopy. His top areas of expertise are Helicobacter Pylori Infection, Gastritis, Viral Gastroenteritis, Endoscopy, and Colonoscopy.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- Childhood PancreatitisDr. Shumaker isAdvanced. Learn about Childhood Pancreatitis.
- Crohn's DiseaseDr. Shumaker isAdvanced. Learn about Crohn's Disease.
- Experienced
- Acute PancreatitisDr. Shumaker isExperienced. Learn about Acute Pancreatitis.
- Angiodysplasia of the ColonDr. Shumaker isExperienced. Learn about Angiodysplasia of the Colon.
- AscitesDr. Shumaker isExperienced. Learn about Ascites.
- Autoimmune HepatitisDr. Shumaker isExperienced. Learn about Autoimmune Hepatitis.
- Barrett EsophagusDr. Shumaker isExperienced. Learn about Barrett Esophagus.
- Bile Duct ObstructionDr. Shumaker isExperienced. Learn about Bile Duct Obstruction.