William Walsh, PH.D.
NPI 1437608106 · Clinical Neuropsychologist · Palmdale, CA
William Walsh, PH.D. is a Clinical Neuropsychologist provider in Palmdale, CA (NPI 1437608106).
Provider details
- NPI number
- 1437608106
- Entity type
- Individual
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- PSY07625 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
9 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
- 2016-09-22
- Last updated
- 2016-09-22
Frequently asked questions
- What is William Walsh's NPI number?
- William Walsh's National Provider Identifier (NPI) is 1437608106, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Walsh's specialty?
- William Walsh is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is William Walsh located?
- William Walsh's practice location on file with NPPES is 38713 Tierra Subida Ave Ste 200-137, Palmdale, CA 93551-4562.
- What is William Walsh's phone number?
- The practice phone number listed in the NPPES registry for William Walsh is (661) 706-6056.
- Is William Walsh's NPI active?
- Yes — William Walsh's NPI (1437608106) is active in the NPPES registry as of the last update on 2016-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.