Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Luke Livingstone Lin, OD
Optometrist in Lemon Grove, CA · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639862501
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Registry record
Entity type Individual (Type 1)
Name Dr. Luke Livingstone Lin
Credential OD
Sex Male
Practice address 7155 Broadway, Lemon Grove, CA, 91945
Phone (858) 848-4749
Enumeration date May 29, 2023
Last updated in NPPES May 29, 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 Luke Lin practice?
The practice location on file with NPPES is in Lemon Grove, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Luke Lin?
The National Provider Identifier (NPI) for Luke Lin is 1639862501, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Hoa Phuong Nguyen Optometrist · Lemon Grove, CA NPI 1962439265 National Vision, Inc. Optician · Lemon Grove, CA NPI 1609223890 Thu Tran Optometrist · Lemon Grove, CA NPI 1598115602 Emily Blaney Optometrist · Lemon Grove, CA NPI 1881361160 Regency Eye Care, Inc. Optometrist · Lemon Grove, CA NPI 1063149102 National Vision Inc Optometrist · Lemon Grove, CA NPI 1598539579
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-05-29.