1. Home
  2. Directory
  3. Oregon
  4. Portland
  5. Counselor
  6. NPI Profile

JOHN DALTON WILLIAMS II NCAC I, CADC I
NPI 1255991337
Counselor - Addiction (Substance Use Disorder) in Portland, OR

Active since June 19, 2019
1427 SE 182ND AVE, PORTLAND, OR 97233(503) 761-6006(503) 761-1434 Get Directions Write a Review

NPPES record last updated: September 13, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 13, 2021, Jun 19, 2019 (2 updates tracked since 2019).

About John Dalton Williams Ii Ncac I, Cadc I NPPES

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

JOHN DALTON WILLIAMS II NCAC I, CADC I (NPI 1255991337) is an individual addiction (substance use disorder) provider in Portland, Oregon, licensed in Oregon (18-12-06) and active in the NPI registry since June 2019. He maintains a secondary practice location in Portland.

NPPES Registry Identity

NPI1255991337
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameJOHN DALTON WILLIAMS IICredential: NCAC I, CADC I
Location Address1427 SE 182ND AVEPortland, OR 97233-5008
Mailing Address1027 E Burnside StPortland, OR 97214-1328 · (503) 239-8400 · Fax (503) 239-8407
Phone(503) 761-6006
Fax(503) 761-1434
Sole ProprietorNo
Enumeration DateJune 19, 2019
Last NPPES UpdateSeptember 13, 20212 updates tracked since enumeration
NPPES CertifiedSeptember 13, 2021
✔ NPI 1255991337 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
License✔ Licensed in OR · 18-12-06
1427 SE 182ND AVE, Portland, OR 97233
Open in Google Maps ↗

Secondary Practice Location 1

Location 11316 SE 12th AvePortland, OR 97214-3604 · Phone (619) 249-2671

Other Providers at the Same Location NPPES 20

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

JULIANNA HALEEN
Counselor (Addiction (Substance Use Disorder))
1427 SE 182ND AVE
PORTLAND, OR 97233
Multnomah County (503) 761-6006
MR. MELVIN JESS GUARDIPEE JR. CADC II
Counselor (Addiction (Substance Use Disorder))
1427 SE 182ND AVE
PORTLAND, OR 97233
Multnomah County (503) 761-6006
MAYTRONE SHEMARLAND CLAYBORN BA, MDIV
Counselor (Addiction (Substance Use Disorder))
1427 SE 182ND AVE
PORTLAND, OR 97233
Multnomah County (503) 761-6005
CLARE CALLAN
Counselor (Addiction (Substance Use Disorder))
1427 SE 182ND AVE
PORTLAND, OR 97233
Multnomah County (503) 761-6006
MARLON ASHFORD CRM/PSS
Peer Specialist
1427 SE 182ND AVE
PORTLAND, OR 97233
Multnomah County (503) 761-6006
MARIA KRUEGER
Counselor (Addiction (Substance Use Disorder))
1427 SE 182ND AVE
PORTLAND, OR 97233
Multnomah County (503) 761-6005
MICHELLE ANN PETERSON CADAC-II
Counselor (Addiction (Substance Use Disorder))
1427 SE 182ND AVE
PORTLAND, OR 97233
Multnomah County (503) 761-6006
BRIANNA BROWN CACD II
Counselor (Addiction (Substance Use Disorder))
1427 SE 182ND AVE
PORTLAND, OR 97233
Multnomah County (971) 369-5642

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 John Williams's NPI number?

The NPI number for John Williams is 1255991337. It was assigned to this individual provider in the NPPES registry on June 19, 2019.

Where is John Williams located?

John Williams practices at 1427 SE 182nd Ave, Portland, OR 97233. The listed phone number is (503) 761-6006.

What is John Williams'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 John Williams was last updated on September 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.