Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Sierra Marie Mattox, OD

Optometrist in Jacksonville, FL · enumerated 2022.

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

National Provider Identifier

1003546912

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Registry record

Entity type Individual (Type 1)

Name Dr. Sierra Marie Mattox

Credential OD

Sex Female

Practice address 4788 Hodges Blvd, Jacksonville, FL, 32224

Phone (904) 992-9991

Enumeration date Jun 14, 2022

Last updated in NPPES Jun 14, 2022

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License 0006096 (FL) 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

What is the NPI number for Sierra Mattox?

The National Provider Identifier (NPI) for Sierra Mattox is 1003546912, a Type 1 (individual) record in the CMS NPPES registry.

Where does Sierra Mattox practice?

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

Other providers at this practice address

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Prasanthi Reddy Pediatrics Physician · Jacksonville, FL NPI 1386620870 Eve Geis Corneal and Contact Management Optometrist · Jacksonville, FL NPI 1144289919 James Horning Optometrist · Jacksonville, FL NPI 1710063086 A1a Family Eye Care, Inc Optometrist · Jacksonville, FL NPI 1558416412 Abigail Wilcox Pediatric Nurse Practitioner · Jacksonville, FL NPI 1831533397 Pediatrica Health of Florida, LLC Pediatric Adolescent Medicine Physician · Jacksonville, FL NPI 1316385164

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-06-14.