Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jia Jiann Liaw

Optometrist in Malden, MA · enumerated 2016.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1609327774

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Registry record

Entity type Individual (Type 1)

Name Jia Jiann Liaw

Sex Male

Practice address 1 Highland Ave, Malden, MA, 02148

Phone (617) 992-1539

Enumeration date Oct 24, 2016

Last updated in NPPES Oct 24, 2016

Taxonomy & licenses

152W00000X Optometrist Eye and Vision Services Providers · License OP-5187 (MA) Primary

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.

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Frequently asked questions

What is the NPI number for Jia Jiann Liaw?

The National Provider Identifier (NPI) for Jia Jiann Liaw is 1609327774, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jia Jiann Liaw practice?

The practice location on file with NPPES is in Malden, MA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-10-24.