Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Susan Felix, LDO
Optician in Tucson, AZ · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1497558639
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Registry record
Entity type Individual (Type 1)
Name Susan Felix
Credential LDO
Sex Female
Practice address 1260 E Tucson Marketplace Blvd, Tucson, AZ, 85713
Phone (520) 917-0319
Fax (520) 622-2843
Enumeration date Mar 31, 2025
Last updated in NPPES Mar 31, 2025
Taxonomy & licenses
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 Susan Felix practice?
The practice location on file with NPPES is in Tucson, AZ. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Susan Felix?
The National Provider Identifier (NPI) for Susan Felix is 1497558639, a Type 1 (individual) record in the CMS NPPES registry.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-31.