Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Lassen County Behavioral Health

Addiction (Substance Use Disorder) Counselor in Susanville, CA · enumerated 2007 · authorized official Tiffany Armstrong, Bh Director.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1881720415

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Registry record

Entity type Organization (Type 2)

Legal business name Lassen County Behavioral Health

Practice address 555 Hospital Ln, Susanville, CA, 96130

Phone (530) 251-8108

Fax (530) 257-8394

Enumeration date Feb 26, 2007

Last updated in NPPES Jan 29, 2026

Taxonomy & classification

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers Primary

251S00000X Community/Behavioral Health Agency Agencies Secondary

Authorized official

Name Tiffany Armstrong

Title Bh Director

Phone (530) 251-2627

Other identifiers

Identifier	Type	State	Issuer
1801	Other	CA	DRUG MEDI-CAL

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What type of organization is Lassen County Behavioral Health?

Lassen County Behavioral Health is registered in NPPES as a Addiction (Substance Use Disorder) Counselor (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-29.