Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John Tyler Klein, OD
Optometrist in Arvada, CO · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1710469705
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Registry record
Entity type Individual (Type 1)
Name John Tyler Klein
Credential OD
Sex Male
Practice address 5801 Wadsworth Blvd, Arvada, CO, 80003
Phone (303) 422-3217
Enumeration date Sep 5, 2018
Last updated in NPPES Feb 19, 2026
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 John Klein practice?
The practice location on file with NPPES is in Arvada, CO. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for John Klein?
The National Provider Identifier (NPI) for John Klein is 1710469705, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → John Cross Optometrist · Arvada, CO NPI 1922061670 Arvada Vision & Eye Clinic, P. C. Optometrist · Arvada, CO NPI 1942403373 Kelly Brown Optometrist · Arvada, CO NPI 1801197900 Eye Center Optical of Northern Colorado LLC Optometrist · Arvada, CO NPI 1194470047 Eye Center of Northern Colorado, P.C. Optometrist · Arvada, CO NPI 1710618913
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-19.