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MR. PATRICK S. WILLIAMSON
NPI 1851639983
Counselor - Professional in Tucson, AZ

Active since January 24, 2013
310 S CONVENT AVE, TUCSON, AZ 85701(520) 975-6350 Get Directions Write a Review

NPPES record last updated: January 24, 2013. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Mr. Patrick S. Williamson NPPES

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

MR. PATRICK S. WILLIAMSON (NPI 1851639983) is an individual professional provider in Tucson, Arizona, licensed in Arizona (11992) and active in the NPI registry since January 2013.

NPPES Registry Identity

NPI1851639983
Entity TypeIndividualMale
Primary Taxonomy101YP2500X
Provider Legal NameMR. PATRICK S. WILLIAMSON
Location Address310 S CONVENT AVETucson, AZ 85701-2215
Mailing Address310 S Convent AveTucson, AZ 85701-2215 · (520) 975-6350
Phone(520) 975-6350
Sole ProprietorYes
Enumeration DateJanuary 24, 2013
✔ NPI 1851639983 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in AZ · 11992
Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 11810 (AZ)
310 S CONVENT AVE, Tucson, AZ 85701
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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 Patrick Williamson's NPI number?

The NPI number for Patrick Williamson is 1851639983. It was assigned to this individual provider in the NPPES registry on January 24, 2013.

Where is Patrick Williamson located?

Patrick Williamson practices at 310 S Convent Ave, Tucson, AZ 85701. The listed phone number is (520) 975-6350.

What is Patrick Williamson's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

When was this NPI record last updated?

The NPPES record for Patrick Williamson was last updated on January 24, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.