Individual
DR. DAVID PATRICK O'BRIEN IV
Active
Sole proprietor
No
Provider details
NPI number
Gender
Man
Credential
MD
Contact information
Practice address
4805 NE GLISAN ST, SUITE 6N60, PORTLAND, OR 97213-2933
(503) 281-0561
(503) 416-7377
Mailing address
541 NE 20TH AVE STE 225, PORTLAND, OR 97232-2895
(503) 963-2801
(503) 963-2825
Taxonomy
Speciality
Code
Description
License number
State
208600000X
Surgery Physician
MD28214
OR
208C00000X
Colon & Rectal Surgery Physician
Primary
MD28214
OR
Other
Other identifiers
Code
Description
Identifier
Issuer
State
05
—
272697
—
OR
05
—
8508939
—
WA
Enumeration date
03/09/2006
Last updated
05/14/2026
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