Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Liana Leyendecker, B.A.

Counselor in Boulder, CO · enumerated 2013.

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

National Provider Identifier

1851632244

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Registry record

Entity type Individual (Type 1)

Name Mrs. Liana Leyendecker

Credential B.A.

Sex Female

Practice address 3450 Broadway St, Boulder, CO, 80304

Phone (303) 441-1100

Enumeration date Mar 8, 2013

Last updated in NPPES Jul 9, 2015

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers Primary

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

How do I verify Liana Leyendecker's NPI record?

Cross-check NPI 1851632244 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1851632244 active?

Yes, as of the latest NPPES snapshot, NPI 1851632244 is active (record last updated 2015-07-09).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-07-09.