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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MR. WILLIAM CURTIS STEWART CADC-R
NPI 1336055235
Counselor - Addiction (Substance Use Disorder) in Eugene, OR

Active since August 20, 2026
990 GARFIELD ST, EUGENE, OR 97402(805) 862-7539 Get Directions Write a Review

NPPES record added: August 20, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Mr. William Curtis Stewart Cadc-r NPPES

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

MR. WILLIAM CURTIS STEWART CADC-R (NPI 1336055235) is an individual addiction (substance use disorder) provider in Eugene, Oregon and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1336055235
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMR. WILLIAM CURTIS STEWARTCredential: CADC-R
Location Address990 GARFIELD STEugene, OR 97402-2707
Mailing Address2459 Nw Grant AveCorvallis, OR 97330-4354 · (805) 862-7539
Phone(805) 862-7539
Sole ProprietorNo
Enumeration DateAugust 20, 2026
NPPES CertifiedAugust 20, 2026
✔ NPI 1336055235 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
990 GARFIELD ST, Eugene, OR 97402
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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 Stewart's NPI number?

The NPI number for William Stewart is 1336055235. It was assigned to this individual provider in the NPPES registry on August 20, 2026.

Where is William Stewart located?

William Stewart practices at 990 Garfield St, Eugene, OR 97402. The listed phone number is (805) 862-7539.

What is William Stewart's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for William Stewart was last updated on August 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days 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.