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

MARION GRUMMETT LCPC
NPI 1881680783
Counselor - Mental Health in Columbus, MT

Q: What is Marion Grummett's NPI number?

The NPI number for Marion Grummett is 1881680783. It was assigned to this individual provider in the NPPES registry on September 26, 2005.

Q: What is Marion Grummett'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 Marion Grummett was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 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 26, 2005

410 EAST PIKE AVE, COLUMBUS, MT 59019(406) 322-4514(406) 322-4515 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Marion Grummett Lcpc NPPES

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

MARION GRUMMETT LCPC (NPI 1881680783) is an individual mental health provider in Columbus, Montana, licensed in Montana (739LCPC) and active in the NPI registry since September 2005.

NPPES Registry Identity

NPI1881680783

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameMARION GRUMMETTCredential: LCPC

Location Address410 EAST PIKE AVEColumbus, MT 59019

Mailing AddressPo Box 238Columbus, MT 59019-0238 · (406) 322-4514 · Fax (406) 322-4515

Phone(406) 322-4514

Fax(406) 322-4515

Sole ProprietorNo

Enumeration DateSeptember 26, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1881680783 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 · 739LCPC

410 EAST PIKE AVE, Columbus, MT 59019

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Other Identifiers 2

Other75208MT · Blue Cross Blue Shield

Other75198MT · Blue Cross Blue Shield

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 Marion Grummett's NPI number?

The NPI number for Marion Grummett is 1881680783. It was assigned to this individual provider in the NPPES registry on September 26, 2005.

Where is Marion Grummett located?

Marion Grummett practices at 410 East Pike Ave, Columbus, MT 59019. The listed phone number is (406) 322-4514.

What is Marion Grummett's specialty?

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

When was this NPI record last updated?

The NPPES record for Marion Grummett was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 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.