Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Nicholas Philip Hasler, OD
Optometrist in Aurora, CO · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1356182398
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Registry record
Entity type Individual (Type 1)
Name Nicholas Philip Hasler
Credential OD
Sex Male
Practice address 18801 E Hampden Ave Ste 176, Aurora, CO, 80013
Phone (303) 690-6510
Enumeration date Jun 4, 2024
Last updated in NPPES Feb 26, 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 specialty is Nicholas Hasler?
Nicholas Hasler is registered in NPPES with the primary taxonomy of Optometrist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-02-26.