MCKENZIE GRUBBS LCPC
NPI 1629886833
Counselor - Mental Health in Billings, MT

Q: What is Mckenzie Grubbs's NPI number?

The NPI number for Mckenzie Grubbs is 1629886833. It was assigned to this individual provider in the NPPES registry on December 19, 2024. The provider is also known as Mckenzie Poulson.

Q: What is Mckenzie Grubbs's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Q: When was this NPI record last updated?

The NPPES record for Mckenzie Grubbs was last updated on September 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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 19, 2024

2409 ARNOLD LN STE 5, BILLINGS, MT 59102(406) 201-9720 Get Directions Write a Review

NPPES record last updated: September 22, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Mckenzie Grubbs Lcpc NPPES

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

MCKENZIE GRUBBS LCPC (NPI 1629886833) is an individual mental health provider in Billings, Montana, licensed in Montana (BBH-LCPC-LIC-80811) and active in the NPI registry since December 2024.

NPPES Registry Identity

NPI1629886833

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameMCKENZIE GRUBBSCredential: LCPC

Location Address2409 ARNOLD LN STE 5Billings, MT 59102-3885

Mailing Address2409 Arnold Ln Ste 5Billings, MT 59102-3885 · (406) 201-9720

Phone(406) 201-9720

Sole ProprietorYes

Enumeration DateDecember 19, 2024

Last NPPES UpdateSeptember 22, 2025

NPPES CertifiedSeptember 22, 2025

✔ NPI 1629886833 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

License✔ Licensed in MT · BBH-LCPC-LIC-80811

2409 ARNOLD LN STE 5, Billings, MT 59102

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Other Names 1

Former Name (1)Mckenzie Poulson

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana.Insurance ›

Other Providers at the Same Location NPPES

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

YOUTHERAPY, PLLC

Clinic/Center (Adolescent and Children Mental Health)

2409 ARNOLD LN STE 5
BILLINGS, MT 59102

Yellowstone County (406) 201-9720

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 Mckenzie Grubbs's NPI number?

The NPI number for Mckenzie Grubbs is 1629886833. It was assigned to this individual provider in the NPPES registry on December 19, 2024. The provider is also known as Mckenzie Poulson.

Where is Mckenzie Grubbs located?

Mckenzie Grubbs practices at 2409 Arnold Ln Ste 5, Billings, MT 59102. The listed phone number is (406) 201-9720.

What is Mckenzie Grubbs's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

What insurance does Mckenzie Grubbs accept?

Health plans from Blue Cross and Blue Shield of Montana list Mckenzie Grubbs as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mckenzie Grubbs was last updated on September 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.