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Alexandra Petrohilos LLC

Q: What is the NPI number for Alexandra Petrohilos LLC?

The NPI for Alexandra Petrohilos LLC is 1023557816, a Type 2 (organization) record in the CMS NPPES registry.

Professional Counselor in Hinsdale, IL · enumerated 2017 · authorized official Alexandra Petrohilos, Practice Owner.

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

National Provider Identifier

1023557816

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Registry record

Entity type Organization (Type 2)

Legal business name Alexandra Petrohilos LLC

Practice address 19 N Grant St, Suite Lc, Hinsdale, IL, 60521

Phone (630) 286-2785

Enumeration date Feb 14, 2017

Last updated in NPPES Feb 14, 2017

Taxonomy & classification

101YP2500X Professional Counselor Behavioral Health & Social Service Providers · License 180009340 (IL) Primary

Authorized official

Name Alexandra Petrohilos

Title Practice Owner

Phone (630) 286-2785

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 is the NPI number for Alexandra Petrohilos LLC?

The NPI for Alexandra Petrohilos LLC is 1023557816, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Alexandra Petrohilos LLC?

NPPES lists Alexandra Petrohilos (Practice Owner) as the authorized official for this organization.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-02-14.