Jeffrey S. Mastroianni D.M.D., M.S., P.C.
About this NPIWhat this record shows.
NPI 1528187549 is registered to Jeffrey S. Mastroianni D.M.D., M.S., P.C., a healthcare organisation classified as "Orthodontics and Dentofacial Orthopedics Dentistry" and located at 2220 S. State Route 157, Suite 125 in Glen Carbon, Illinois. The organisation's authorised official is Jeffrey Mastroianni. The organisation has been enumerated in the NPI registry since 2007.
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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 Jeffrey S. Mastroianni D.M.D., M.S., P.C. accepts. To confirm in-network status with your specific health plan, contact Jeffrey S. Mastroianni D.M.D., M.S., P.C. directly at (618) 288-0600.
Frequently asked
Yes. NPI 1528187549 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Orthodontics and Dentofacial Orthopedics 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 (618) 288-0600.
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. Jeffrey S. Mastroianni D.M.D., M.S., P.C. is a Type-2 organisational NPI.