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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WILLIAM G GRAYSON CADC II/QMHA I
NPI 1093194169
Counselor - Addiction (Substance Use Disorder) in Salem, OR

Active since May 22, 2015
960 LIBERTY ST SE STE 120, SALEM, OR 97302(503) 588-2804 Get Directions Write a Review

NPPES record last updated: August 26, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Aug 26, 2026, Jul 8, 2026, Mar 19, 2018 and 3 more (6 updates tracked since 2017).

About William G Grayson Cadc Ii/qmha I NPPES

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

WILLIAM G GRAYSON CADC II/QMHA I (NPI 1093194169) is an individual addiction (substance use disorder) provider in Salem, Oregon, licensed in Oregon (99-11-15) and active in the NPI registry since May 2015.

NPPES Registry Identity

NPI1093194169
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameWILLIAM G GRAYSONCredential: CADC II/QMHA I
Location Address960 LIBERTY ST SE STE 120Salem, OR 97302-4165
Mailing Address960 Liberty St Se Ste 120Salem, OR 97302-4165 · (503) 588-2804
Phone(503) 588-2804
Sole ProprietorNo
Enumeration DateMay 22, 2015
Last NPPES UpdateAugust 26, 20266 updates tracked since enumeration
NPPES CertifiedAugust 26, 2026
✔ NPI 1093194169 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in OR · 99-11-15
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
960 LIBERTY ST SE STE 120, Salem, OR 97302
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Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SHELLEY EILEEN DAVIS CADC I, QMHA
Counselor (Addiction (Substance Use Disorder))
960 LIBERTY ST SE STE 120
SALEM, OR 97302
Marion County (503) 588-2804
MR. JAMES ALVIE WOODS CADC 2
Counselor (Addiction (Substance Use Disorder))
960 LIBERTY ST SE STE 120
SALEM, OR 97302
Marion County (503) 588-2804
TATIANA DORE CLINE CADC-R
Counselor (Addiction (Substance Use Disorder))
960 LIBERTY ST SE STE 120
SALEM, OR 97302
Marion County (541) 371-2080
QUINTIN TODD MULDOON
Counselor (Addiction (Substance Use Disorder))
960 LIBERTY ST SE STE 120
SALEM, OR 97302
Marion County (503) 588-2804
ERIKA BRANCH
Counselor (Professional)
960 LIBERTY ST SE STE 120
SALEM, OR 97302
Marion County (503) 588-2804
JOSHUA JOHNSON CADC-R
Counselor (Addiction (Substance Use Disorder))
960 LIBERTY ST SE STE 120
SALEM, OR 97302
Marion County (541) 687-1110
ALLISON DYER-YBARRONDO
Counselor (Addiction (Substance Use Disorder))
960 LIBERTY ST SE STE 120
SALEM, OR 97302
Marion County (503) 607-4557
MRS. REBEKKAH ANNE IGOU CADC I
Counselor (Addiction (Substance Use Disorder))
960 LIBERTY ST SE STE 120
SALEM, OR 97302
Marion County (503) 588-2804

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 Grayson's NPI number?

The NPI number for William Grayson is 1093194169. It was assigned to this individual provider in the NPPES registry on May 22, 2015.

Where is William Grayson located?

William Grayson practices at 960 Liberty St SE Ste 120, Salem, OR 97302. The listed phone number is (503) 588-2804.

What is William Grayson'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 Grayson was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 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.