IndividualActive
William Fujihara
NPI 1902086721 · Clinical Social Worker · Diamond Bar, CA
William Fujihara is a Clinical Social Worker provider in Diamond Bar, CA (NPI 1902086721).
Provider details
- NPI number
- 1902086721
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- LCS 4265 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
23717 Country View Dr
Diamond Bar, CA 91765-2616
Phone: (909) 861-8564
Street-level locationGet directions
Mailing address
23717 Country View Dr
Diamond Bar, CA 91765-2616
Registry dates
- Enumerated
- 2007-11-08
- Last updated
- 2007-11-08
Frequently asked questions
- What is William Fujihara's NPI number?
- William Fujihara's National Provider Identifier (NPI) is 1902086721, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Fujihara's specialty?
- William Fujihara is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is William Fujihara located?
- William Fujihara's practice location on file with NPPES is 23717 Country View Dr, Diamond Bar, CA 91765-2616.
- What is William Fujihara's phone number?
- The practice phone number listed in the NPPES registry for William Fujihara is (909) 861-8564.
- Is William Fujihara's NPI active?
- Yes — William Fujihara's NPI (1902086721) is active in the NPPES registry as of the last update on 2007-11-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.