Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Martha Swanson Mereen, PHDHP

Dental Hygienist in Bedford, PA · enumerated 2020.

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

National Provider Identifier

1558970384

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Registry record

Entity type Individual (Type 1)

Name Martha Swanson Mereen

Credential PHDHP

Sex Female

Practice address 104 Railroad St, Bedford, PA, 15522

Phone (814) 263-5804

Enumeration date Jul 28, 2020

Last updated in NPPES Jul 28, 2020

Taxonomy & licenses

124Q00000X Dental Hygienist Dental 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.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Martha Mereen?

The National Provider Identifier (NPI) for Martha Mereen is 1558970384, a Type 1 (individual) record in the CMS NPPES registry.

Where does Martha Mereen practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-07-28.