Catherine Sprague, LCSW
NPI 1376887646 · Clinical Social Worker · San Leandro, CA
Catherine Sprague, LCSW is a Clinical Social Worker provider in San Leandro, CA (NPI 1376887646).
Provider details
- NPI number
- 1376887646
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LCSW
- Sex
- Female
- Sole proprietor
- Yes
- License
- LCSW79666 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
Mailing address
Registry dates
- Enumerated
- 2012-11-26
- Last updated
- 2026-04-14
- Certified
- 2026-04-14
Frequently asked questions
- What is Catherine Sprague's NPI number?
- Catherine Sprague's National Provider Identifier (NPI) is 1376887646, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Sprague's specialty?
- Catherine Sprague is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Catherine Sprague located?
- Catherine Sprague's practice location on file with NPPES is 2275 Arlington Dr, San Leandro, CA 94578-1132.
- What is Catherine Sprague's phone number?
- The practice phone number listed in the NPPES registry for Catherine Sprague is (510) 317-1444.
- Is Catherine Sprague's NPI active?
- Yes — Catherine Sprague's NPI (1376887646) is active in the NPPES registry as of the last update on 2026-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.