Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Gyneth Rock, OD
Optometrist in Elk Grove, CA · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1396557948
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Registry record
Entity type Individual (Type 1)
Name Gyneth Rock
Credential OD
Sex Female
Practice address 6317 Alpinespring Way, Elk Grove, CA, 95758
Phone (916) 753-0672
Enumeration date Jan 21, 2025
Last updated in NPPES Jan 21, 2025
Taxonomy & licenses
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.
Frequently asked questions
What is the NPI number for Gyneth Rock?
The National Provider Identifier (NPI) for Gyneth Rock is 1396557948, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gyneth Rock practice?
The practice location on file with NPPES is in Elk Grove, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-01-21.