Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

SIERA LAVOY LCPC
NPI 1538070354
Counselor - Professional in Glen Ellyn, IL

Q: What is Siera Lavoy's NPI number?

The NPI number for Siera Lavoy is 1538070354. It was assigned to this individual provider in the NPPES registry on September 14, 2026.

Q: What is Siera Lavoy's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Q: When was this NPI record last updated?

The NPPES record for Siera Lavoy was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 14, 2026

539 ROOSEVELT RD # 1002, GLEN ELLYN, IL 60137(331) 666-2080 Get Directions Write a Review

NPPES record added: September 14, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Siera Lavoy Lcpc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SIERA LAVOY LCPC (NPI 1538070354) is an individual professional provider in Glen Ellyn, Illinois, licensed in Illinois (180017444) and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1538070354

Entity TypeIndividualFemale

Primary Taxonomy101YP2500X

Provider Legal NameSIERA LAVOYCredential: LCPC

Location Address539 ROOSEVELT RD # 1002Glen Ellyn, IL 60137-5734

Mailing Address539 Roosevelt Rd # 1002Glen Ellyn, IL 60137-5734

Phone(331) 666-2080

Sole ProprietorYes

Enumeration DateSeptember 14, 2026

NPPES CertifiedSeptember 13, 2026

✔ NPI 1538070354 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers

Taxonomy Code101YP2500X

License✔ Licensed in IL · 180017444

539 ROOSEVELT RD # 1002, Glen Ellyn, IL 60137

Open in Google Maps ↗

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Siera Lavoy's NPI number?

The NPI number for Siera Lavoy is 1538070354. It was assigned to this individual provider in the NPPES registry on September 14, 2026.

Where is Siera Lavoy located?

Siera Lavoy practices at 539 Roosevelt Rd # 1002, Glen Ellyn, IL 60137. The listed phone number is (331) 666-2080.

What is Siera Lavoy's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

When was this NPI record last updated?

The NPPES record for Siera Lavoy was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.