William Johnson, PH.D.
NPI 1770507410 · Clinical Psychologist · Fayetteville, AR
William Johnson, PH.D. is a Clinical Psychologist provider in Fayetteville, AR (NPI 1770507410).
Provider details
- NPI number
- 1770507410
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 77-15P (AR)
Specialties & taxonomies
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
19 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
- 2006-07-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Johnson's NPI number?
- William Johnson's National Provider Identifier (NPI) is 1770507410, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Johnson's specialty?
- William Johnson is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Johnson located?
- William Johnson's practice location on file with NPPES is 1100 N College Ave, Fayetteville, AR 72703-1944.
- What is William Johnson's phone number?
- The practice phone number listed in the NPPES registry for William Johnson is (479) 444-5048.
- Is William Johnson's NPI active?
- Yes — William Johnson's NPI (1770507410) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.