Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Kalene Fix-Mastenbrook, O.D.
Optometrist in Charlotte, NC · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1417104621
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Registry record
Entity type Individual (Type 1)
Name Kalene Fix-Mastenbrook
Credential O.D.
Sex Female
Practice address 8811 Blakeney Professional Dr Ste 100, Charlotte, NC, 28277
Phone (704) 926-3937
Fax (704) 926-3938
Enumeration date Aug 20, 2008
Last updated in NPPES May 26, 2023
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
Where does Kalene Fix-Mastenbrook practice?
The practice location on file with NPPES is in Charlotte, NC. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Kalene Fix-Mastenbrook?
The National Provider Identifier (NPI) for Kalene Fix-Mastenbrook is 1417104621, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-05-26.