IndividualActive
Thomas Leong
NPI 1770363301 · Social Worker · Gardena, CA
Thomas Leong is a Social Worker provider in Gardena, CA (NPI 1770363301).
Provider details
- NPI number
- 1770363301
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(51/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
879 W 190th St Ste 720
Gardena, CA 90248-4205
Phone: (310) 217-7312
Street-level locationGet directions
Mailing address
2648 E Workman Ave Ste 3001
West Covina, CA 91791-1604
Registry dates
- Enumerated
- 2023-10-02
- Last updated
- 2026-05-26
- Certified
- 2026-05-26
Frequently asked questions
- What is Thomas Leong's NPI number?
- Thomas Leong's National Provider Identifier (NPI) is 1770363301, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Leong's specialty?
- Thomas Leong is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Thomas Leong located?
- Thomas Leong's practice location on file with NPPES is 879 W 190th St Ste 720, Gardena, CA 90248-4205.
- What is Thomas Leong's phone number?
- The practice phone number listed in the NPPES registry for Thomas Leong is (310) 217-7312.
- Is Thomas Leong's NPI active?
- Yes — Thomas Leong's NPI (1770363301) is active in the NPPES registry as of the last update on 2026-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.