Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Reta Guirguis

Optometrist in Exton, PA · enumerated 2015.

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

National Provider Identifier

1619366036

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Registry record

Entity type Individual (Type 1)

Name Reta Guirguis

Sex Female

Practice address Exton, PA, 19341

Phone (610) 594-0800

Fax (610) 594-0801

Enumeration date Jan 22, 2015

Last updated in NPPES Nov 8, 2021

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License OPC4985 (FL) Secondary

152W00000X Optometrist Eye and Vision Services Providers · License OEG003116 (PA) 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 Reta Guirguis?

The National Provider Identifier (NPI) for Reta Guirguis is 1619366036, a Type 1 (individual) record in the CMS NPPES registry.

Where does Reta Guirguis practice?

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

Other providers at this practice address

Browse all →

Susan Lockland Optometrist · Exton, PA NPI 1558340059 Chester County Opticians, Inc Eyewear Supplier · Exton, PA NPI 1720044399 Diana Ries Optometrist · Exton, PA NPI 1629333521 Myeyedr Optometry of Pennsylvania, LLC Optometrist · Exton, PA NPI 1407319429

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-08.