NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Kraig Smiegowski, L.C.S.W.

Clinical Social Worker in Castle Pines, CO · enumerated 2014.

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

National Provider Identifier

1154746246

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Mr. Kraig Smiegowski
Credential L.C.S.W.
Sex Male
Practice address 7501 Village Square Dr Ste 202, Castle Pines, CO, 80108
Enumeration date Feb 26, 2014
Last updated in NPPES Nov 1, 2019

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 09924965 (CO) Primary
LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

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 Kraig Smiegowski?
The National Provider Identifier (NPI) for Kraig Smiegowski is 1154746246, a Type 1 (individual) record in the CMS NPPES registry.
Where does Kraig Smiegowski practice?
The practice location on file with NPPES is in Castle Pines, CO. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-11-01.