Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Constantine G Tsilikos

Counselor in Florham Park, NJ · enumerated 2024.

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

National Provider Identifier

1437990736

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Registry record

Entity type Individual (Type 1)

Name Constantine G Tsilikos

Sex Male

Practice address 205 Ridgedale Ave Ste 200, Florham Park, NJ, 07932

Phone (855) 202-7939

Enumeration date Jun 3, 2024

Last updated in NPPES Jun 3, 2024

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers · License 37AC00775100 (NJ) 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.

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Frequently asked questions

How do I verify Constantine Tsilikos's NPI record?

Cross-check NPI 1437990736 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1437990736 active?

Yes, as of the latest NPPES snapshot, NPI 1437990736 is active (record last updated 2024-06-03).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-06-03.