Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Li Ying Lin
Dental Hygienist in San Rafael, CA · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1841922499
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Registry record
Entity type Individual (Type 1)
Name Li Ying Lin
Sex Female
Practice address 411 4th St Ste A, San Rafael, CA, 94901
Phone (415) 448-1500
Enumeration date Jun 30, 2022
Last updated in NPPES Jun 30, 2022
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
Is NPI 1841922499 active?
Yes, as of the latest NPPES snapshot, NPI 1841922499 is active (record last updated 2022-06-30).
How do I verify Li Ying Lin's NPI record?
Cross-check NPI 1841922499 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-06-30.