Dr Roy B Guster DDS PC
About this NPIWhat this record shows.
NPI 1104360478 is registered to Dr Roy B Guster DDS PC, a healthcare organisation classified as "Dentist" and located at 9524 S Halsted St in Chicago, Illinois. The organisation's authorised official is Roy Guster. The organisation has been enumerated in the NPI registry since 2016.
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 Dr Roy B Guster DDS PC accepts. To confirm in-network status with your specific health plan, contact Dr Roy B Guster DDS PC directly at (773) 445-1009.
Frequently asked
Yes. NPI 1104360478 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Dentist 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 (773) 445-1009.
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 Roy B Guster DDS PC is a Type-2 organisational NPI.