William Wyssman O.D.
About this NPIWhat this record shows.
NPI 1831270008 is registered to William Wyssman O.D., a Optometrist practising at 2934 Finley Rd in Downers Grove, Illinois. Optometrist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. William Wyssman O.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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 Wyssman O.D. accepts. To confirm in-network status with your specific health plan, contact William Wyssman O.D. directly at (630) 916-4770.
Frequently asked
Yes. NPI 1831270008 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 (630) 916-4770.
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 Wyssman O.D. is a Type-1 individual NPI.