William Walker, PH. D.
NPI 1427172519 · Clinical Psychologist · New Orleans, LA
William Walker, PH. D. is a Clinical Psychologist provider in New Orleans, LA (NPI 1427172519).
Provider details
- NPI number
- 1427172519
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH. D.
- Sex
- Male
- Sole proprietor
- No
- License
- 1037 (LA)
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
- 2007-03-16
- Last updated
- 2009-04-23
Frequently asked questions
- What is William Walker's NPI number?
- William Walker's National Provider Identifier (NPI) is 1427172519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Walker's specialty?
- William Walker is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is William Walker located?
- William Walker's practice location on file with NPPES is 3450 Chestnut St, New Orleans, LA 70115-2443.
- What is William Walker's phone number?
- The practice phone number listed in the NPPES registry for William Walker is (504) 344-2674.
- Is William Walker's NPI active?
- Yes — William Walker's NPI (1427172519) is active in the NPPES registry as of the last update on 2009-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.