Colon & Rectal Surgery in Oregon — NPI Providers

32 active Colon & Rectal Surgery providers have a practice location in Oregon according to the latest NPPES snapshot. Each profile shows the NPI number, taxonomy code, license details, and practice address — useful for claims, credentialing, and verifying a provider.

Colon & Rectal Surgery providers in Oregon

NPI Name Type Specialty Location
1841205358 Daniel Herzig Individual Colon & Rectal Surgery Physician Portland, OR
1669440350 David O'Brien Individual Colon & Rectal Surgery Physician Portland, OR
1558476101 David Parsons Individual Colon & Rectal Surgery Physician Clackamas, OR
1457321754 Douglas Khoury Individual Colon & Rectal Surgery Physician Portland, OR
1770564015 Duc Vo Individual Colon & Rectal Surgery Physician Springfield, OR
1174631782 Jeffrey Albright Individual Colon & Rectal Surgery Physician Portland, OR
1487683181 Joseph Frankhouse Individual Colon & Rectal Surgery Physician Portland, OR
1871500702 Kim Lu Individual Colon & Rectal Surgery Physician Portland, OR
1710970892 Mark Whiteford Individual Colon & Rectal Surgery Physician Portland, OR
1962578104 Megan Cavanaugh Individual Colon & Rectal Surgery Physician Portland, OR
1285782987 Phuong Nguyen Individual Colon & Rectal Surgery Physician Redmond, OR
1750457990 Rehan Ahmad Individual Colon & Rectal Surgery Physician Portland, OR
1164594248 Roy Breen Individual Colon & Rectal Surgery Physician Portland, OR
1750590949 Sandy Fang Individual Colon & Rectal Surgery Physician Portland, OR
1841362928 Scott Browning Individual Colon & Rectal Surgery Physician Portland, OR
1386843894 Sungeyun Cho Individual Colon & Rectal Surgery Physician Clackamas, OR
1952503062 Vassiliki Tsikitis Individual Colon & Rectal Surgery Physician Portland, OR

Colon & Rectal Surgery by city in Oregon

Frequently asked questions

How many Colon & Rectal Surgery providers are in Oregon?
The latest NPPES snapshot lists 32 active providers with Colon & Rectal Surgery as their primary taxonomy and a practice location in Oregon.
How do I verify a Colon & Rectal Surgery provider's NPI in Oregon?
Open the provider's profile below to see their NPI, taxonomy code, license state, and practice address, then cross-check against the official NPPES registry (linked on every profile).
Can I get this data through an API?
Yes — the NPI Portal API provides JSON search by specialty, state, and city, plus batch NPI verification.

Source: CMS NPPES (public data). Snapshot 2026-07-09.