William Thornton, PHD
NPI 1528219839 · Clinical Psychologist · Fort Smith, AR
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Thornton, PHD is a Clinical Psychologist provider in Fort Smith, AR (NPI 1528219839).
Provider details
- NPI number
- 1528219839
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 08-21P (AR)
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
17 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
- 2008-10-06
- Last updated
- 2010-07-21
Frequently asked questions
- What is William Thornton's NPI number?
- William Thornton's National Provider Identifier (NPI) is 1528219839, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Thornton's specialty?
- William Thornton is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Thornton located?
- William Thornton's practice location on file with NPPES is 5111 Rogers Ave, Fort Smith, AR 72903-2047.
- What is William Thornton's phone number?
- The practice phone number listed in the NPPES registry for William Thornton is (479) 452-7792.
- Does William Thornton accept Medicare?
- William Thornton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Thornton's NPI active?
- Yes — William Thornton's NPI (1528219839) is active in the NPPES registry as of the last update on 2010-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.