Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Susan Ly, DR.
Optometrist in Chantilly, VA · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1154686889
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Registry record
Entity type Individual (Type 1)
Name Susan Ly
Credential DR.
Sex Female
Practice address 14391 Chantilly Crossing Ln, Chantilly, VA, 20151
Phone (703) 817-0748
Fax (703) 817-0748
Enumeration date Jul 9, 2012
Last updated in NPPES Feb 22, 2023
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 1154686889 active?
Yes, as of the latest NPPES snapshot, NPI 1154686889 is active (record last updated 2023-02-22).
How do I verify Susan Ly's NPI record?
Cross-check NPI 1154686889 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-02-22.