Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Un Son Amy Chu, OD
Optometrist in Potomac, MD · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1972685048
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Registry record
Entity type Individual (Type 1)
Name Un Son Amy Chu
Credential OD
Sex Female
Practice address 7915 Tuckerman Ln, Potomac, MD, 20854
Phone (301) 983-5884
Fax (301) 983-5848
Enumeration date Oct 19, 2006
Last updated in NPPES May 16, 2024
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 is the NPI number for Un Son Chu?
The National Provider Identifier (NPI) for Un Son Chu is 1972685048, a Type 1 (individual) record in the CMS NPPES registry.
Where does Un Son Chu practice?
The practice location on file with NPPES is in Potomac, MD. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-05-16.