Dr. Douglas A Shumaker, MD
Dr. Douglas A Shumaker, MD is a Gastroenterology in Portland, Oregon. Graduated from Oregon Health Sciences University School of Medicine in 1994, 32 years ago. Practices with The Oregon Clinic, PC, a 352-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Oregon.
- Years since qualifying
- 32
- Trained at
- Oregon Health Sciences University School of Medicine
- Licensed in
- OR
- In the registry since
- 2005
- Specialties on file
- 2
What do these letters mean?
- MD — Doctor of Medicine
- A physician who completed allopathic medical school.
Practice location Address checks out
9701 SW Barnes Rd Ste 300Portland, OR 97225-6689
Phone: (503) 297-8081
Fax: (503) 292-6601
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Gastroenterology Physician (primary) | Taxonomy 207RG0100X · Licence MD19573 (OR) |
|---|---|
| Allergy Physician | Taxonomy 207KA0200X · Licence MD19573 (OR) |
Record details
| NPI number | 1225034937 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | June 27, 2005 |
| Last updated in NPPES | December 4, 2025 |
| Certification date | December 4, 2025 |
Medicare enrollment
| Medicare specialty | GASTROENTEROLOGY |
|---|---|
| Medical school | OREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE |
| Graduated | 1994 (32 years in practice) |
| Group practice | The Oregon Clinic, Pc — 352 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Telehealth | Offers telehealth services |
| Practice locations | 2 on file with Medicare |
Other providers in Portland
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Anil Sharma, MD
9701 SW Barnes Rd Ste 300, Portland, OR 97225-6689 · (503) 297-8081
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Dr. Kaveh Sharzehi, MD
3181 SW Sam Jackson Park Rd, Portland, OR 97239-3011 · (503) 494-2270
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Hong Shen, MD
1111 NE 99th Ave, Portland, OR 97220-9428 · (503) 963-2707
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Robert Shneidman, MD
3500 N Interstate Ave, Portland, OR 97227-1196 · (503) 331-6170
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Adam Edward Silverblatt, MD
9701 SW Barnes Rd Ste 300, Portland, OR 97225-6772 · (503) 297-8081
-
Dr. Ajay Singhvi, MD
1111 NE 99th Ave Ste 301, Portland, OR 97220-9442 · (503) 963-2707
-
Dr. Rodger A Sleven, MD
9701 SW Barnes Rd Ste 300, Portland, OR 97225-6689 · (503) 297-8081
-
Dr. Matthew Andres Smith, MD
1130 NW 22nd Ave Ste 410, Portland, OR 97210-2911 · (503) 229-7137