Dr. William Fiesler D.M.D.
About this NPIWhat this record shows.
NPI 1679784359 is registered to Dr. William Fiesler D.M.D., a General Practice Dentistry practising at 2495 N Water St in Decatur, Illinois. General Practice Dentistry is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. William Fiesler D.M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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 Fiesler D.M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. William Fiesler D.M.D. directly at (217) 872-7874.
Frequently asked
Yes. NPI 1679784359 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
General Practice Dentistry 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 (217) 872-7874.
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 Fiesler D.M.D. is a Type-1 individual NPI.