Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Catherine Wilson Helfrich, PA-C

Physician Assistant in Matthews, NC · enumerated 2019.

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

National Provider Identifier

1821556150

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Registry record

Entity type Individual (Type 1)

Name Catherine Wilson Helfrich

Credential PA-C

Sex Female

Practice address 855 Sam Newell Rd, Matthews, NC, 28105

Phone (980) 202-6643

Enumeration date Mar 5, 2019

Last updated in NPPES Feb 19, 2024

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers Secondary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 0010-08789 (NC) 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 Catherine Helfrich?

The National Provider Identifier (NPI) for Catherine Helfrich is 1821556150, a Type 1 (individual) record in the CMS NPPES registry.

Where does Catherine Helfrich practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-02-19.