Naperville Medical Group Corporation
About this NPIWhat this record shows.
NPI 1639489057 is registered to Naperville Medical Group Corporation, a healthcare organisation classified as "Internal Medicine" and located at 454 W Boughton Rd Ste C in Bolingbrook, Illinois. The organisation's authorised official is Sijun Yang Yang. The organisation has been enumerated in the NPI registry since 2010.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Part B Supplier
- O20110214000958Clinic/Group PracticeIL
Source: CMS PECOS public enrollment file.
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 Naperville Medical Group Corporation accepts. To confirm in-network status with your specific health plan, contact Naperville Medical Group Corporation directly at (312) 823-3469.
Frequently asked
Yes. NPI 1639489057 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
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 (312) 823-3469.
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. Naperville Medical Group Corporation is a Type-2 organisational NPI.