Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kristin E. Brennan, O.D.

Optometrist in Warwick, RI · enumerated 2006.

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

National Provider Identifier

1871682351

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Registry record

Entity type Individual (Type 1)

Name Kristin E. Brennan

Credential O.D.

Sex Female

Practice address 390 Toll Gate Rd, Warwick, RI, 02886

Phone (401) 732-6640

Fax (401) 739-5265

Enumeration date Oct 12, 2006

Last updated in NPPES Jan 8, 2025

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 3588 (WI) Primary

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 Kristin Brennan practice?

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

What is the NPI number for Kristin Brennan?

The National Provider Identifier (NPI) for Kristin Brennan is 1871682351, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-01-08.