Individual provider · Type 1 NPI

David Patrick O'Brien Iv, MD

Colon & Rectal Surgery Physician · Portland, OR

NPI number 1669440350 Active

Practice location

4805 NE Glisan St, Suite 6N60
Portland, OR 97213-2933

Call (503) 281-0561 Map

Fax (503) 416-7377

Mailing address

541 NE 20th Ave Ste 225
Portland, OR 97232-2895

Other practice locations

  • 11000 SW Stratus St Ste 205, Beaverton, OR 97008-7104 · (503) 281-0561

Specialties and licenses

TaxonomyCodeLicense
Surgery Physician 208600000XMD28214 (OR)
Colon & Rectal Surgery Physician Primary 208C00000XMD28214 (OR)

Colon & Rectal Surgery Physician: A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

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About NPI 1669440350

David Patrick O'Brien Iv, MD's National Provider Identifier is 1669440350, issued on Mar 9, 2006. The primary taxonomy on file is Colon & Rectal Surgery Physician (208C00000X), and the practice location is in Portland, OR. The record was last updated on May 14, 2026.