Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kristen Ann Messer, RN

Registered Nurse in Joplin, MO · enumerated 2026.

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

National Provider Identifier

1407785389

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Registry record

Entity type Individual (Type 1)

Name Kristen Ann Messer

Credential RN

Sex Female

Practice address 1102 W 32nd St, Joplin, MO, 64804

Phone (417) 347-1111

Enumeration date May 16, 2026

Last updated in NPPES May 16, 2026

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 2014034449 (MO) Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN 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

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Kristen Messer?

Kristen Messer is registered in NPPES with the primary taxonomy of Registered Nurse. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

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Christopher Longnecker Cardiovascular Disease Physician · Joplin, MO NPI 1255334777 Robert Mcnab Hospitalist Physician · Joplin, MO NPI 1225032618 Guy Grabau Pulmonary Disease Physician · Joplin, MO NPI 1649275876 Richard Mcamish Certified Registered Nurse Anesthetist · Joplin, MO NPI 1598757569 Paula Rubison Certified Registered Nurse Anesthetist · Joplin, MO NPI 1982698940 Troy Eichelberger Emergency Medicine Physician · Joplin, MO NPI 1932185188 James Tiemann Family Medicine Physician · Joplin, MO NPI 1619955473 Jeannie Peterson Certified Registered Nurse Anesthetist · Joplin, MO NPI 1992775506

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-16.