Patrick Williamson
NPI 1851639983 · Professional Counselor · Tucson, AZ
Patrick Williamson is a Professional Counselor provider in Tucson, AZ (NPI 1851639983).
Provider details
- NPI number
- 1851639983
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 11810 (AZ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-01-24
- Last updated
- 2013-01-24
Frequently asked questions
- What is Patrick Williamson's NPI number?
- Patrick Williamson's National Provider Identifier (NPI) is 1851639983, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Williamson's specialty?
- Patrick Williamson is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Patrick Williamson located?
- Patrick Williamson's practice location on file with NPPES is 310 S Convent Ave, Tucson, AZ 85701-2215.
- What is Patrick Williamson's phone number?
- The practice phone number listed in the NPPES registry for Patrick Williamson is (520) 975-6350.
- Is Patrick Williamson's NPI active?
- Yes — Patrick Williamson's NPI (1851639983) is active in the NPPES registry as of the last update on 2013-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.