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

ANNA M SIDERIUS SWLC
NPI 1336063874
Counselor - Mental Health in Kalispell, MT

Q: What is Anna Siderius's NPI number?

The NPI number for Anna Siderius is 1336063874. It was assigned to this individual provider in the NPPES registry on August 6, 2026.

Q: What is Anna Siderius'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 Anna Siderius was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 August 06, 2026

50 ROBOCKER LN, KALISPELL, MT 59901(406) 260-1626 Get Directions Write a Review

NPPES record added: August 6, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Anna M Siderius Swlc NPPES

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

ANNA M SIDERIUS SWLC (NPI 1336063874) is an individual mental health provider in Kalispell, Montana, licensed in Montana (BBH-SWLC-LIC-81331) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1336063874

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameANNA M SIDERIUSCredential: SWLC

Location Address50 ROBOCKER LNKalispell, MT 59901-8292

Mailing Address1935 3rd Ave EKalispell, MT 59901-5780 · (406) 607-4900

Phone(406) 260-1626

Sole ProprietorNo

Enumeration DateAugust 6, 2026

NPPES CertifiedAugust 6, 2026

✔ NPI 1336063874 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-SWLC-LIC-81331

50 ROBOCKER LN, Kalispell, MT 59901

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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 Anna Siderius's NPI number?

The NPI number for Anna Siderius is 1336063874. It was assigned to this individual provider in the NPPES registry on August 6, 2026.

Where is Anna Siderius located?

Anna Siderius practices at 50 Robocker Ln, Kalispell, MT 59901. The listed phone number is (406) 260-1626.

What is Anna Siderius'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 Anna Siderius was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.