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

KATHERINE G CALOVIS LAC
NPI 1952391930
Counselor - Addiction (Substance Use Disorder) in Lewistown, MT

Q: What is Katherine Calovis's NPI number?

The NPI number for Katherine Calovis is 1952391930. It was assigned to this individual provider in the NPPES registry on October 21, 2005.

Q: What is Katherine Calovis's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Q: When was this NPI record last updated?

The NPPES record for Katherine Calovis 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 42 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 October 21, 2005

212 WENDELL AVE, LEWISTOWN, MT 59457(406) 538-7483(406) 538-7491 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Katherine G Calovis Lac NPPES

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

KATHERINE G CALOVIS LAC (NPI 1952391930) is an individual addiction (substance use disorder) provider in Lewistown, Montana, licensed in Montana (1104) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1952391930

Entity TypeIndividualFemale

Primary Taxonomy101YA0400X

Provider Legal NameKATHERINE G CALOVISCredential: LAC

Location Address212 WENDELL AVELewistown, MT 59457-2297

Mailing AddressPo Box 44Lewistown, MT 59457-0044 · (406) 538-7483 · Fax (406) 538-7491

Phone(406) 538-7483

Fax(406) 538-7491

Sole ProprietorNo

Enumeration DateOctober 21, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1952391930 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers

Taxonomy Code101YA0400X

License✔ Licensed in MT · 1104

212 WENDELL AVE, Lewistown, MT 59457

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Other Providers at the Same Location NPPES 3

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

LYNDA ADELLE REIMAN LAC

Counselor (Addiction (Substance Use Disorder))

212 WENDELL AVE
LEWISTOWN, MT 59457

Fergus County (406) 538-7483

ROBERT 'DENNY' D IRWIN LAC

Counselor (Addiction (Substance Use Disorder))

212 WENDELL AVE
LEWISTOWN, MT 59457

Fergus County (406) 538-7483

MICHAEL H STUEHM LCPC

Counselor (Mental Health)

212 WENDELL AVE
LEWISTOWN, MT 59457

Fergus County (406) 538-7483

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 Katherine Calovis's NPI number?

The NPI number for Katherine Calovis is 1952391930. It was assigned to this individual provider in the NPPES registry on October 21, 2005.

Where is Katherine Calovis located?

Katherine Calovis practices at 212 Wendell Ave, Lewistown, MT 59457. The listed phone number is (406) 538-7483.

What is Katherine Calovis's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Katherine Calovis 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 42 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.