Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Sheridan Marie Anderson, MSW

Social Worker in Ontario, OR · enumerated 2023.

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

National Provider Identifier

1508565409

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Registry record

Entity type Individual (Type 1)

Name Mrs. Sheridan Marie Anderson

Credential MSW

Sex Female

Practice address 992 W Idaho Ave, Ontario, OR, 97914

Phone (208) 741-3336

Enumeration date Feb 28, 2023

Last updated in NPPES Feb 28, 2023

Taxonomy & licenses

104100000X 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

Is NPI 1508565409 active?

Yes, as of the latest NPPES snapshot, NPI 1508565409 is active (record last updated 2023-02-28).

How do I verify Sheridan Anderson's NPI record?

Cross-check NPI 1508565409 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 2023-02-28.