Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Chelsea Rae Zendarski, LCSW

Clinical Social Worker in Sun City, AZ · enumerated 2018 · practices at Sanity Center, LLC.

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

National Provider Identifier

1538667142

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Registry record

Entity type Individual (Type 1)

Name Chelsea Rae Zendarski

Credential LCSW

Sex Female

Practice address 10240 W Bell Rd Ste E, Sun City, AZ, 85351

Phone (623) 986-8460

Enumeration date Jan 29, 2018

Last updated in NPPES Oct 22, 2025

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License LCSW-22529 (AZ) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

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

How do I verify Chelsea Zendarski's NPI record?

Cross-check NPI 1538667142 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1538667142 active?

Yes, as of the latest NPPES snapshot, NPI 1538667142 is active (record last updated 2025-10-22).

Other providers at this practice address

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Sanity Center, LLC Mental Health Counselor · Sun City, AZ NPI 1396403259 Katherine Petty Clinical Social Worker · Sun City, AZ NPI 1518706993 Elizabeth Boatwright Mental Health Counselor · Sun City, AZ NPI 1629946124

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-10-22.