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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 I/QMHA
NPI 1093194169
Counselor - Addiction (Substance Use Disorder) in Salem, OR

Active since May 22, 2015
1011 COMMERCIAL ST NE STE 110, SALEM, OR 97301(503) 983-9900(503) 983-9899 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 8, 2026, Mar 19, 2018, Mar 17, 2018 and 2 more (5 updates tracked since 2017).

About William G Grayson Cadc I/qmha NPPES

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

WILLIAM G GRAYSON CADC I/QMHA (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. He maintains a secondary practice location in Portland.

NPPES Registry Identity

NPI1093194169
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameWILLIAM G GRAYSONCredential: CADC I/QMHA
Location Address1011 COMMERCIAL ST NE STE 110Salem, OR 97301-1036
Mailing Address1011 Commercial St Ne Ste 110Salem, OR 97301-1036 · (503) 983-9900 · Fax (503) 983-9899
Phone(503) 983-9900
Fax(503) 983-9899
Sole ProprietorNo
Enumeration DateMay 22, 2015
Last NPPES UpdateJuly 8, 20265 updates tracked since enumeration
NPPES CertifiedJuly 8, 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
1011 COMMERCIAL ST NE STE 110, Salem, OR 97301
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Secondary Practice Location 1

Location 117645 NW Saint Helens RdPortland, OR 97231-1729 · Phone (503) 621-1069 · Fax (503) 621-0200

Other Identifiers 2

Medicaid500729527OR
Medicaid500729451OR

Other Providers at the Same Location NPPES 15

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

TANNITH MCNEEL CRM
Peer Specialist
1011 COMMERCIAL ST NE STE 110
SALEM, OR 97301
Marion County (503) 983-9900
JOEL P SELWYN CRM
Peer Specialist
1011 COMMERCIAL ST NE STE 110
SALEM, OR 97301
Marion County (503) 983-9900
LYNETTE CAREEN BLOOM CADC I
Counselor (Addiction (Substance Use Disorder))
1011 COMMERCIAL ST NE STE 110
SALEM, OR 97301
Marion County (503) 983-9900
MANYA B HELMAN MD
Family Medicine (Addiction Medicine)
1011 COMMERCIAL ST NE STE 110
SALEM, OR 97301
Marion County (503) 983-9900
CHRYSTAL JEAN ELLIS
Counselor (Addiction (Substance Use Disorder))
1011 COMMERCIAL ST NE STE 110
SALEM, OR 97301
Marion County (503) 983-9900
JEFFREY C RENNA PAC
Physician Assistant (Medical)
1011 COMMERCIAL ST NE STE 110
SALEM, OR 97301
Marion County (503) 983-9900
LAURA MICHIELSEN PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
1011 COMMERCIAL ST NE STE 110
SALEM, OR 97301
Marion County (503) 983-9900
DR. JAMES ROBERT LAIDLER M.D.
Anesthesiology (Addiction Medicine)
1011 COMMERCIAL ST NE STE 110
SALEM, OR 97301
Marion County (503) 983-9900

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 1011 Commercial St NE Ste 110, Salem, OR 97301. The listed phone number is (503) 983-9900.

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 July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 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.