NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Neill S Cowles

Optometrist in Chatham, MA · enumerated 2007 · authorized official Neill Cowles, Optometrist.

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

National Provider Identifier

1154505675

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Neill S Cowles
Practice address 259 Crowell Rd, Chatham, MA, 02633
Enumeration date Dec 19, 2007
Last updated in NPPES Dec 19, 2007

Taxonomy & classification

152W00000X Optometrist Eye and Vision Services Providers · License 2185 (MA) Primary

Authorized official

Name Neill Cowles
Title Optometrist

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

Who is the authorized official for Neill S Cowles?
NPPES lists Neill Cowles (Optometrist) as the authorized official for this organization.
What is the NPI number for Neill S Cowles?
The NPI for Neill S Cowles is 1154505675, a Type 2 (organization) record in the CMS NPPES registry.

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-12-19.