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William Sperling, LCSW
NPI 1730374844 · Clinical Social Worker · Torrance, CA
William Sperling, LCSW is a Clinical Social Worker provider in Torrance, CA (NPI 1730374844).
Provider details
- NPI number
- 1730374844
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Male
- Sole proprietor
- Yes
- License
- LCS11753 (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
21713 Anza Ave
Torrance, CA 90503-6427
Phone: (310) 543-5227
Fax: (310) 543-5227
Street-level locationGet directions
Mailing address
21713 Anza Ave
Torrance, CA 90503-6427
Registry dates
- Enumerated
- 2007-09-11
- Last updated
- 2007-09-20
Frequently asked questions
- What is William Sperling's NPI number?
- William Sperling's National Provider Identifier (NPI) is 1730374844, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Sperling's specialty?
- William Sperling is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is William Sperling located?
- William Sperling's practice location on file with NPPES is 21713 Anza Ave, Torrance, CA 90503-6427.
- What is William Sperling's phone number?
- The practice phone number listed in the NPPES registry for William Sperling is (310) 543-5227.
- Is William Sperling's NPI active?
- Yes — William Sperling's NPI (1730374844) is active in the NPPES registry as of the last update on 2007-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.