NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Marietta Diamond

Health Educator in Danvers, MA · enumerated 2015.

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

National Provider Identifier

1598148546

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Marietta Diamond
Sex Female
Practice address 149 Sylvan St, Danvers, MA, 01923
Fax (978) 777-8547
Enumeration date Jul 8, 2015
Last updated in NPPES Jul 8, 2015

Taxonomy & licenses

174H00000X Health Educator Other Service 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 Marietta Diamond?
The National Provider Identifier (NPI) for Marietta Diamond is 1598148546, a Type 1 (individual) record in the CMS NPPES registry.
Where does Marietta Diamond practice?
The practice location on file with NPPES is in Danvers, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-07-08.