William Griffith
NPI 1548637168 · Marriage & Family Therapist · Alameda, CA
William Griffith is a Marriage & Family Therapist provider in Alameda, CA (NPI 1548637168).
Provider details
- NPI number
- 1548637168
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Marriage & Family Therapist106H00000X
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2015-08-31
- Last updated
- 2021-05-04
- Certified
- 2021-05-04
Frequently asked questions
- What is William Griffith's NPI number?
- William Griffith's National Provider Identifier (NPI) is 1548637168, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Griffith's specialty?
- William Griffith is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is William Griffith located?
- William Griffith's practice location on file with NPPES is 2052 Central Ave, Alameda, CA 94501-4211.
- What is William Griffith's phone number?
- The practice phone number listed in the NPPES registry for William Griffith is (415) 317-0339.
- Is William Griffith's NPI active?
- Yes — William Griffith's NPI (1548637168) is active in the NPPES registry as of the last update on 2021-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.