Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Mrs. Carolyn Leigh Armstrong

Home Health Aide in Fairfield, OH · enumerated 2011 · practices at Otterbein.

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

National Provider Identifier

1336429042

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Registry record

Entity type Individual (Type 1)

Name Mrs. Carolyn Leigh Armstrong

Sex Female

Practice address Fairfield, OH, 45014

Phone (513) 429-0849

Enumeration date Aug 25, 2011

Last updated in NPPES Aug 25, 2011

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

374U00000X Home Health Aide Nursing Service Related 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.

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Frequently asked questions

What is the NPI number for Carolyn Armstrong?

The National Provider Identifier (NPI) for Carolyn Armstrong is 1336429042, a Type 1 (individual) record in the CMS NPPES registry.

Where does Carolyn Armstrong practice?

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

Other providers at this practice address

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Otterbein Home Health Agency · Fairfield, OH NPI 1497039424

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-08-25.