Dr. David Patrick O'Brien IV, MD
Dr. David Patrick O'Brien IV, MD is a Colorectal Surgery (Proctology) in Portland, Oregon. Graduated from Emory University School of Medicine in 1997, 29 years ago. Practices with The Oregon Clinic, PC, a 352-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Oregon.
- Years since qualifying
- 29
- Trained at
- Emory University School of Medicine
- Licensed in
- OR
- In the registry since
- 2006
- 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
4805 NE Glisan St Ste 6N60Portland, OR 97213-2933
Phone: (503) 281-0561
Fax: (503) 416-7377
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (1)
- 11000 Sw Stratus St Ste 205, Beaverton, OR 97008-7104 — (503) 281-0561
Specialties & licences
| Colon & Rectal Surgery Physician (primary) | Taxonomy 208C00000X · Licence MD28214 (OR) |
|---|---|
| Surgery Physician | Taxonomy 208600000X · Licence MD28214 (OR) |
Record details
| NPI number | 1669440350 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | MD |
| Sole proprietor | No |
| NPI enumerated | March 9, 2006 |
| Last updated in NPPES | May 14, 2026 |
| Certification date | May 14, 2026 |
| Mailing address | 541 Ne 20th Ave Ste 225, Portland, OR 97232-2895 |
Medicare enrollment
| Medicare specialty | COLORECTAL SURGERY (PROCTOLOGY) |
|---|---|
| Medical school | EMORY UNIVERSITY SCHOOL OF MEDICINE |
| Graduated | 1997 (29 years in practice) |
| Group practice | The Oregon Clinic, Pc — 352 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Practice locations | 5 on file with Medicare |
Other providers in Portland
-
Philippa Holly Alexandra Newell, MD
4805 NE Glisan St Ste 6N50, Portland, OR 97213-2933 · (646) 320-8488
-
Vahagn Calvin Nikolian, MD
3303 S Bond Ave, Portland, OR 97239-4501 · (503) 494-4373
-
Northwest Minimally Invasive Surgery, LLC
1040 NW 22nd Ave Ste 470, Portland, OR 97210-3062 · (503) 914-0024
-
Northwest Vein Specialists, PC
12400 NW Cornell Rd Ste 200, Portland, OR 97229-5693 · (503) 352-0427
-
George Richard Oh, MD
9427 SW Barnes Rd, Portland, OR 97225-6652 · (503) 203-2176
-
Omni Wound Physicians OR LLC
1050 SW 6th Ave Ste 1100, Portland, OR 97204-1153 · (213) 228-3538
-
Oregon Surgical Consultants PC
1130 NW 22nd Ave Ste 300, Portland, OR 97210 · (503) 226-4325
-
Dr. Sean Orenstein, MD
3303 SW Bond Ave OHSU Mail Code: CH6D, Portland, OR 97239-4501 · (503) 494-4373