Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Olivia C Palmer

Speech-Language Pathologist in Charlestown, MA · enumerated 2023.

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

National Provider Identifier

1821786450

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Registry record

Entity type Individual (Type 1)

Name Olivia C Palmer

Sex Female

Practice address 529 Main St # P200, Charlestown, MA, 02129

Phone (617) 829-7110

Enumeration date May 1, 2023

Last updated in NPPES May 1, 2023

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing 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 Olivia Palmer?

The National Provider Identifier (NPI) for Olivia Palmer is 1821786450, a Type 1 (individual) record in the CMS NPPES registry.

Where does Olivia Palmer practice?

The practice location on file with NPPES is in Charlestown, 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 2023-05-01.