Lein-Thu Van Dao
About this NPIWhat this record shows.
NPI 1326325168 is registered to Lein-Thu Van Dao, a healthcare organisation classified as "Optometrist" and located at 72 Merrimack St in Haverhill, Massachusetts. The organisation's authorised official is Lein-Thu Dao. The organisation has been enumerated in the NPI registry since 2011.
Your brand here.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Lein-Thu Van Dao accepts. To confirm in-network status with your specific health plan, contact Lein-Thu Van Dao directly at (978) 374-0386.
Frequently asked
Yes. NPI 1326325168 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Optometrist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (978) 374-0386.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Lein-Thu Van Dao is a Type-2 organisational NPI.