William Johnston Optician
About this NPIWhat this record shows.
NPI 1548253768 is registered to William Johnston Optician, a Optician practising at 7324 Calumet Ave in Hammond, Indiana. Optician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. William Johnston Optician has been enumerated in the National Provider Identifier (NPI) registry since 2005.
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 William Johnston Optician accepts. To confirm in-network status with your specific health plan, contact William Johnston Optician directly at (219) 931-3314.
Frequently asked
Yes. NPI 1548253768 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Optician 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 (219) 931-3314.
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. William Johnston Optician is a Type-1 individual NPI.