Dr. William Mateik O.D.
About this NPIWhat this record shows.
NPI 1205816709 is registered to Dr. William Mateik O.D., a Optometrist practising at 13 Walnut St in Winchendon, Massachusetts. Optometrist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. William Mateik O.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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.
Medicaid
- 0310379MA
Other
- 41238MA· Issued by FALLON COMMUNITY HEALTH
- 15655MA· Issued by HARVARD PILGRIM
- W20137MA· Issued by BLUE CROSS BLUE SHIELD
- 23568MA· Issued by CIGNA
- 722509MA· Issued by TUFTS
Source: NPPES public registry.
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 Dr. William Mateik O.D. accepts. To confirm in-network status with your specific health plan, contact Dr. William Mateik O.D. directly at (978) 297-2020.
Frequently asked
Yes. NPI 1205816709 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) 297-2020.
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. Dr. William Mateik O.D. is a Type-1 individual NPI.