Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Adrian Sierra
Optician in Colorado Springs, CO · enumerated 2026.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1023944717
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Registry record
Entity type Individual (Type 1)
Name Adrian Sierra
Sex Male
Practice address 4425 Venetucci Blvd, Colorado Springs, CO, 80906
Phone (719) 313-4382
Enumeration date Jun 20, 2026
Last updated in NPPES Jun 20, 2026
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 Adrian Sierra practice?
The practice location on file with NPPES is in Colorado Springs, CO. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Adrian Sierra?
The National Provider Identifier (NPI) for Adrian Sierra is 1023944717, 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 2026-06-20.