William Alexander
NPI 1518267814 · Marriage & Family Therapist · San Jose, CA
William Alexander is a Marriage & Family Therapist provider in San Jose, CA (NPI 1518267814).
Provider details
- NPI number
- 1518267814
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 93425 (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
15 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
- 2010-11-02
- Last updated
- 2021-01-13
- Certified
- 2021-01-13
Frequently asked questions
- What is William Alexander's NPI number?
- William Alexander's National Provider Identifier (NPI) is 1518267814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Alexander's specialty?
- William Alexander is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is William Alexander located?
- William Alexander's practice location on file with NPPES is 237 Race St, San Jose, CA 95126-4823.
- What is William Alexander's phone number?
- The practice phone number listed in the NPPES registry for William Alexander is (408) 425-7934.
- Is William Alexander's NPI active?
- Yes — William Alexander's NPI (1518267814) is active in the NPPES registry as of the last update on 2021-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.