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

Mrs. Arlene B Crystal, LCSW

Clinical Social Worker in Oakland Park, FL · enumerated 2007.

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

National Provider Identifier

1366623019

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Registry record

Entity type Individual (Type 1)

Name Mrs. Arlene B Crystal

Credential LCSW

Sex Female

Practice address Oakland Park, FL, 33311

Phone (561) 818-3421

Fax (954) 739-5427

Enumeration date Nov 23, 2007

Last updated in NPPES Dec 30, 2015

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

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License SW5437 (FL) Primary

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

Other identifiers

Identifier	Type	State	Issuer
Z0347	Other	FL	BLUECROSS BLUE SHIELD

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 1366623019 active?

Yes, as of the latest NPPES snapshot, NPI 1366623019 is active (record last updated 2015-12-30).

How do I verify Arlene Crystal's NPI record?

Cross-check NPI 1366623019 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 2015-12-30.