Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Christina Mesker, PPS

School Social Worker in Orland, CA · enumerated 2025.

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

National Provider Identifier

1790659944

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Registry record

Entity type Individual (Type 1)

Name Christina Mesker

Credential PPS

Sex Female

Practice address 903 South St, Orland, CA, 95963

Phone (530) 865-1200

Enumeration date Oct 1, 2025

Last updated in NPPES Oct 1, 2025

Taxonomy & licenses

1041S0200X School Social Worker Behavioral Health & Social Service Providers 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

What specialty is Christina Mesker?

Christina Mesker is registered in NPPES with the primary taxonomy of School Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-01.