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Edit this profileAt a glance
- 9701 Sw Barnes Rd, Ste 300, Portland, OR 97225
About Dr. Shumaker
Based in Portland, OR, Douglas A. Shumaker, MD is listed in the NPI registry under gastroenterology. Douglas graduated from Oregon Health Sciences University School of Medicine in 1994. Douglas is also listed as specializing in allergy. NPI 1225034937 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (503) 297-8081
- Email not available
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Practice Locations
9701 SW BARNES RD STE 300
Portland, OR 97225
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterologists at this location 8
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterologists in Portland 6
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Oregon Health Sciences University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1994 at Oregon Health Sciences University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Shumaker's specialty?
Dr. Shumaker is a gastroenterologist in Portland, OR. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where can I find Dr. Shumaker?
Dr. Shumaker is listed at 9701 Sw Barnes Rd Ste 300, Portland, OR 97225. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Shumaker?
The number on file is (503) 297-8081. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Shumaker?
Dr. Shumaker's National Provider Identifier is 1225034937. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Shumaker's medical education?
Dr. Shumaker attended Oregon Health Sciences University School of Medicine, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Shumaker have?
Dr. Shumaker has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
Is Dr. Shumaker's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Shumaker. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.