William Perry, PH.D
NPI 1801811195 · Clinical Neuropsychologist · San Diego, CA
William Perry, PH.D is a Clinical Neuropsychologist provider in San Diego, CA (NPI 1801811195).
Provider details
- NPI number
- 1801811195
- Entity type
- Individual
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D
- Sex
- Male
- Sole proprietor
- No
- License
- PSY12229 (CA)
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
- 2006-07-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Perry's NPI number?
- William Perry's National Provider Identifier (NPI) is 1801811195, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Perry's specialty?
- William Perry is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is William Perry located?
- William Perry's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9001.
- What is William Perry's phone number?
- The practice phone number listed in the NPPES registry for William Perry is (619) 497-6673.
- Is William Perry's NPI active?
- Yes — William Perry's NPI (1801811195) 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.