Katherine Nicolau
NPI 1891109484 · Clinical Social Worker · Stockton, CA
Katherine Nicolau is a Clinical Social Worker provider in Stockton, CA (NPI 1891109484).
Provider details
- NPI number
- 1891109484
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Case Manager/Care Coordinator171M00000X
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
Mailing address
Registry dates
- Enumerated
- 2014-06-11
- Last updated
- 2026-02-23
- Certified
- 2026-02-23
Frequently asked questions
- What is Katherine Nicolau's NPI number?
- Katherine Nicolau's National Provider Identifier (NPI) is 1891109484, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Nicolau's specialty?
- Katherine Nicolau is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Katherine Nicolau located?
- Katherine Nicolau's practice location on file with NPPES is 2040 West Ln, Stockton, CA 95205-3358.
- What is Katherine Nicolau's phone number?
- The practice phone number listed in the NPPES registry for Katherine Nicolau is (209) 272-2025.
- Is Katherine Nicolau's NPI active?
- Yes — Katherine Nicolau's NPI (1891109484) is active in the NPPES registry as of the last update on 2026-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.