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WILLIAM DUFF MD
NPI 1447492954
Specialist in Portland, OR

Active since March 30, 2009
924 SW 16TH AVE APT 103, PORTLAND, OR 97205(503) 294-1159(503) 244-6175 Get Directions Write a Review

NPPES record last updated: March 30, 2009. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About William Duff Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WILLIAM DUFF MD (NPI 1447492954) is an individual specialist in Portland, Oregon, licensed in Oregon (MD09457) and active in the NPI registry since March 2009.

NPPES Registry Identity

NPI1447492954
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameWILLIAM DUFFCredential: MD
Location Address924 SW 16TH AVE APT 103Portland, OR 97205-1734
Mailing Address924 Sw 16th Ave Apt 103Portland, OR 97205-1734 · (503) 294-1159 · Fax (503) 244-6175
Phone(503) 294-1159
Fax(503) 244-6175
Sole ProprietorYes
Enumeration DateMarch 30, 2009
✔ NPI 1447492954 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in OR · MD09457
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
924 SW 16TH AVE APT 103, Portland, OR 97205
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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Duff's NPI number?

The NPI number for William Duff is 1447492954. It was assigned to this individual provider in the NPPES registry on March 30, 2009.

Where is William Duff located?

William Duff practices at 924 SW 16th Ave Apt 103, Portland, OR 97205. The listed phone number is (503) 294-1159.

What is William Duff's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for William Duff was last updated on March 30, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.