Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Yos M Priestley, OD

Pediatric Optometrist in Dover, MA · enumerated 2010.

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

National Provider Identifier

1518271279

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Registry record

Entity type Individual (Type 1)

Name Yos M Priestley

Credential OD

Sex Female

Practice address 23 Brookfield Rd, Dover, MA, 02030

Phone (508) 308-0130

Enumeration date Aug 4, 2010

Last updated in NPPES Mar 9, 2025

Taxonomy & licenses

152WP0200X Pediatric Optometrist Eye and Vision Services Providers · License 4811 (MA) Primary

152W00000X Optometrist Eye and Vision Services Providers · License 2227 (NC) Secondary

OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses. About the OD credential

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

Where does Yos Priestley practice?

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

What is the NPI number for Yos Priestley?

The National Provider Identifier (NPI) for Yos Priestley is 1518271279, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-09.