Tak-Yin Chau O.D.
Also known as
- Also known asChau, Tak Y
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1346392990 is registered to Tak-Yin Chau O.D., a Optometrist practising at 133 Littleton Rd, Suite 204 in Westford, Massachusetts. Optometrist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Tak-Yin Chau O.D. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Beyond the registryWhat this record adds.
This record carries 7 secondary identifiers beyond the base NPI: Medicaid and other payer cross-references used by billers and credentialers, which the standard CMS NPPES lookup does not surface. It is enrolled in Medicare, linking to 1 PECOS enrollment record (with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 2,142 Optometrist providers on file in Massachusetts.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- 153362MA· Issued by HARVARD PILGRIM
- 4893790MA· Issued by CIGNA
- W16273MA· Issued by BCBS
- 2217847MA· Issued by UNITED HEALTHCARE
- 461428MA· Issued by TUFT
- 99407MA· Issued by FALLON
Medicaid
- 0335801MA
Source: NPPES public registry.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Order and Referring Only
- I20130605000264OptometryMA
Source: CMS PECOS public enrollment file.
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 Tak-Yin Chau O.D. accepts. To confirm in-network status with your specific health plan, contact Tak-Yin Chau O.D. directly at (978) 589-9919.
Frequently asked
Yes. NPI 1346392990 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) 589-9919.
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. Tak-Yin Chau O.D. is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 2,142 Optometrist providers are registered in Massachusetts, and Tak-Yin Chau O.D. is one of them. The figure refreshes each month from the federal source.