JOHN JUSTIN WILLIAMSON
NPI 1205773652
Counselor - Addiction (Substance Use Disorder) in Columbus, OH

Active since May 04, 2026
27 E RUSSELL ST STE 200, COLUMBUS, OH 43215(614) 285-6263(614) 559-5975 Get Directions Write a Review

NPPES record last updated: May 4, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About John Justin Williamson NPPES

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

JOHN JUSTIN WILLIAMSON (NPI 1205773652) is an individual addiction (substance use disorder) provider in Columbus, Ohio, licensed in Ohio (CDCAPRE.195371) and active in the NPI registry since May 2026.

NPPES Registry Identity

NPI1205773652
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameJOHN JUSTIN WILLIAMSON
Location Address27 E RUSSELL ST STE 200Columbus, OH 43215-2012
Mailing Address27 E Russell St Ste 200Columbus, OH 43215-2012 · (614) 285-6263 · Fax (614) 559-5975
Fax(614) 559-5975
Sole ProprietorNo
Enumeration DateMay 4, 2026
NPPES CertifiedMay 3, 2026
NPI 1205773652 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 OH · CDCAPRE.195371
27 E RUSSELL ST STE 200, Columbus, OH 43215

Other Providers at the Same Location NPPES 3

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

Clinic/Center (Rehabilitation, Substance Use Disorder)
27 E RUSSELL ST STE 200
COLUMBUS, OH 43215
Counselor (Professional)
27 E RUSSELL ST STE 200
COLUMBUS, OH 43215
Clinic/Center (Mental Health (Including Community Mental Health Center))
27 E RUSSELL ST STE 200
COLUMBUS, OH 43215

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 Williamson's NPI number?

The NPI number for John Williamson is 1205773652. It was assigned to this individual provider in the NPPES registry on May 4, 2026.

Where is John Williamson located?

John Williamson practices at 27 E Russell St Ste 200, Columbus, OH 43215. The listed phone number is (614) 285-6263.

What is John Williamson'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 Williamson was last updated on May 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.