William Guy, PH.D.
NPI 1942756242 · Psychologist · San Antonio, TX
William Guy, PH.D. is a Psychologist provider in San Antonio, TX (NPI 1942756242).
Provider details
- NPI number
- 1942756242
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 6301014808 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
- 2016-08-28
- Last updated
- 2019-11-21
Frequently asked questions
- What is William Guy's NPI number?
- William Guy's National Provider Identifier (NPI) is 1942756242, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Guy's specialty?
- William Guy is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is William Guy located?
- William Guy's practice location on file with NPPES is 8535 Tom Slick, San Antonio, TX 78229-3367.
- What is William Guy's phone number?
- The practice phone number listed in the NPPES registry for William Guy is (210) 593-2157.
- Is William Guy's NPI active?
- Yes — William Guy's NPI (1942756242) is active in the NPPES registry as of the last update on 2019-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.