IndividualActive
Christine Williams, LCSW
NPI 1386707990 · Clinical Social Worker · Ontario, CA
Christine Williams, LCSW is a Clinical Social Worker provider in Ontario, CA (NPI 1386707990).
Provider details
- NPI number
- 1386707990
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- No
- License
- LCS11203 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
3330 Centre Lake Dr
Ontario, CA 91761-1211
Phone: (909) 974-4770
Fax: (909) 974-4701
Approximate (ZIP-level) locationGet directions
Mailing address
17296 Slover Ave
Fontana, CA 92337-7585
Registry dates
- Enumerated
- 2006-12-18
- Last updated
- 2021-12-14
- Certified
- 2021-12-14
Frequently asked questions
- What is Christine Williams's NPI number?
- Christine Williams's National Provider Identifier (NPI) is 1386707990, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christine Williams's specialty?
- Christine Williams is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Christine Williams located?
- Christine Williams's practice location on file with NPPES is 3330 Centre Lake Dr, Ontario, CA 91761-1211.
- What is Christine Williams's phone number?
- The practice phone number listed in the NPPES registry for Christine Williams is (909) 974-4770.
- Is Christine Williams's NPI active?
- Yes — Christine Williams's NPI (1386707990) is active in the NPPES registry as of the last update on 2021-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.