NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mrs. Kristina Marie Ott Rossiter, ASW

Social Worker in Yuba City, CA · enumerated 2024.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1518783745

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Registry record

Entity type Individual (Type 1)
Name Mrs. Kristina Marie Ott Rossiter
Credential ASW
Sex Female
Practice address Yuba City, CA, 95993
Phone (530) 822-7513
Fax (530) 822-7514
Enumeration date Dec 3, 2024
Last updated in NPPES Dec 3, 2024

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License 125208 (CA) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1518783745 active?
Yes, as of the latest NPPES snapshot, NPI 1518783745 is active (record last updated 2024-12-03).
How do I verify Kristina Rossiter's NPI record?
Cross-check NPI 1518783745 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-12-03.