NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Lacey Evelyn Niemi, MA, LMHCA

Counselor in Arlington, WA · enumerated 2019.

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

National Provider Identifier

1700422714

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Lacey Evelyn Niemi
Credential MA, LMHCA
Sex Female
Practice address 307 N Olympic Ave Ste 203, Arlington, WA, 98223
Enumeration date Nov 25, 2019
Last updated in NPPES Jan 1, 2025

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers · License MC61555987 (WA) 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

What is the NPI number for Lacey Niemi?
The National Provider Identifier (NPI) for Lacey Niemi is 1700422714, a Type 1 (individual) record in the CMS NPPES registry.
Where does Lacey Niemi practice?
The practice location on file with NPPES is in Arlington, WA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-01-01.