Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Catherine Mason, M.ED

Specialist in Boston, MA · enumerated 2007.

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

National Provider Identifier

1144414756

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Registry record

Entity type Individual (Type 1)

Name Catherine Mason

Credential M.ED

Sex Female

Practice address 750 Washington St # 334, Boston, MA, 02111

Phone (617) 636-4832

Fax (617) 636-5621

Enumeration date Aug 28, 2007

Last updated in NPPES Aug 28, 2007

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 0000000000 (MA) 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 Mason?

The National Provider Identifier (NPI) for Catherine Mason is 1144414756, a Type 1 (individual) record in the CMS NPPES registry.

Where does Catherine Mason practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-08-28.