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

DIANE R. WARREN
NPI 1396640033
Counselor - Mental Health in Stevensville, MT

Q: What is Diane Warren's NPI number?

The NPI number for Diane Warren is 1396640033. It was assigned to this individual provider in the NPPES registry on October 12, 2026.

Q: What is Diane Warren'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 Diane Warren was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 12, 2026

3435 BALDWIN RD, STEVENSVILLE, MT 59870(406) 207-8209 Get Directions Write a Review

NPPES record added: October 12, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Diane R. Warren NPPES

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

DIANE R. WARREN (NPI 1396640033) is an individual mental health provider in Stevensville, Montana, licensed in Montana (BBH-SWLC-LIC-90699) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1396640033

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameDIANE R. WARREN

Location Address3435 BALDWIN RDStevensville, MT 59870-2904

Mailing Address3435 Baldwin RdStevensville, MT 59870-2904 · (406) 207-8209

Phone(406) 207-8209

Sole ProprietorYes

Enumeration DateOctober 12, 2026

NPPES CertifiedOctober 12, 2026

✔ NPI 1396640033 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-90699

3435 BALDWIN RD, Stevensville, MT 59870

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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 Diane Warren's NPI number?

The NPI number for Diane Warren is 1396640033. It was assigned to this individual provider in the NPPES registry on October 12, 2026.

Where is Diane Warren located?

Diane Warren practices at 3435 Baldwin Rd, Stevensville, MT 59870. The listed phone number is (406) 207-8209.

What is Diane Warren'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 Diane Warren was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.