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

Ms. Margaret Anne Griffith, ARNP

General Practice Registered Nurse in Lansdowne, PA · enumerated 2012.

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

National Provider Identifier

1164779054

Verified

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Registry record

Entity type Individual (Type 1)

Name Ms. Margaret Anne Griffith

Credential ARNP

Sex Female

Practice address Lansdowne, PA, 19050

Phone (610) 394-0934

Enumeration date Aug 9, 2012

Last updated in NPPES Aug 9, 2012

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

Taxonomy & licenses

163WG0000X General Practice Registered Nurse Nursing Service Providers · License RN239444L (PA) 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 Margaret Griffith?

The National Provider Identifier (NPI) for Margaret Griffith is 1164779054, a Type 1 (individual) record in the CMS NPPES registry.

Where does Margaret Griffith practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-08-09.