Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. LYON ANTHONY VIROSTKO LCPC
NPI 1255100475
Counselor - Professional in Billings, MT

Q: What is Lyon Virostko's NPI number?

The NPI number for Lyon Virostko is 1255100475. It was assigned to this individual provider in the NPPES registry on December 28, 2023.

Q: What is Lyon Virostko'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 Lyon Virostko was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 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 December 28, 2023

1925 GRAND AVE STE 116, BILLINGS, MT 59102(406) 647-0234 Get Directions Write a Review

NPPES record last updated: June 18, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Mr. Lyon Anthony Virostko Lcpc NPPES

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

MR. LYON ANTHONY VIROSTKO LCPC (NPI 1255100475) is an individual professional provider in Billings, Montana, licensed in Montana (BBH-LCPC-LIC-64914) and active in the NPI registry since December 2023.

NPPES Registry Identity

NPI1255100475

Entity TypeIndividualMale

Primary Taxonomy101YP2500X

Provider Legal NameMR. LYON ANTHONY VIROSTKOCredential: LCPC

Location Address1925 GRAND AVE STE 116Billings, MT 59102-2762

Mailing Address2223 Pine StBillings, MT 59101-0530 · (406) 208-5449

Phone(406) 647-0234

Sole ProprietorNo

Enumeration DateDecember 28, 2023

Last NPPES UpdateJune 18, 2026

NPPES CertifiedJune 18, 2026

✔ NPI 1255100475 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 MT · BBH-LCPC-LIC-64914

1925 GRAND AVE STE 116, Billings, MT 59102

Open in Google Maps ↗

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ADAM CHIAPPONE LCSW

Social Worker (Clinical)

1925 GRAND AVE STE 116
BILLINGS, MT 59102

Yellowstone County (063) 661-9924

YUKI JOY COUNSELING SERVICES

Counselor (Mental Health)

1925 GRAND AVE STE 116
BILLINGS, MT 59102

Yellowstone County (406) 855-3909

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 Lyon Virostko's NPI number?

The NPI number for Lyon Virostko is 1255100475. It was assigned to this individual provider in the NPPES registry on December 28, 2023.

Where is Lyon Virostko located?

Lyon Virostko practices at 1925 Grand Ave Ste 116, Billings, MT 59102. The listed phone number is (406) 647-0234.

What is Lyon Virostko'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 Lyon Virostko was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 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.