Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kristen Nicole Massey, APN

Adult Health Nurse Practitioner in Smithton, IL · enumerated 2013.

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

National Provider Identifier

1003159450

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Registry record

Entity type Individual (Type 1)

Name Kristen Nicole Massey

Credential APN

Sex Female

Practice address 4017 State Route 159 Ste 101, Smithton, IL, 62285

Phone (618) 257-2875

Fax (618) 257-2895

Enumeration date Apr 4, 2013

Last updated in NPPES Jun 9, 2026

Taxonomy & licenses

363LP2300X Primary Care Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209010341 (IL) Secondary

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209010341 (IL) Primary

Other identifiers

Identifier	Type	State	Issuer
209010341	Other	IL	IL LIC

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 Kristen Massey?

The National Provider Identifier (NPI) for Kristen Massey is 1003159450, a Type 1 (individual) record in the CMS NPPES registry.

Where does Kristen Massey practice?

The practice location on file with NPPES is in Smithton, IL. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-06-09.