Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Roseann Guglielmo, O.D.

Optometrist in Newtown, CT · enumerated 2010.

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

National Provider Identifier

1730491903

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Registry record

Entity type Individual (Type 1)

Name Ms. Roseann Guglielmo

Credential O.D.

Sex Female

Practice address 228 S Main St # 3, Newtown, CT, 06470

Phone (203) 426-3545

Enumeration date Jul 5, 2010

Last updated in NPPES Oct 9, 2020

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License TUV007557 (NY) Secondary

152W00000X Optometrist Eye and Vision Services Providers · License 3176 (CT) 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 Roseann Guglielmo practice?

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

What is the NPI number for Roseann Guglielmo?

The National Provider Identifier (NPI) for Roseann Guglielmo is 1730491903, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-09.