Brian Dyson DO
About this NPIWhat this record shows.
NPI 1346626041 is registered to Brian Dyson DO, a Internal Medicine practising at 20201 Crawford Ave in Olympia Fields, Illinois. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Brian Dyson DO has been enumerated in the National Provider Identifier (NPI) registry since 2015.
Your brand here.
Medicare enrollment
This provider holds 4 Medicare enrollments 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.
Practitioner
- I20200826001883Internal MedicineWV
- I20211008002456Internal MedicineSC
- I20240109001885Critical Care (Intensivists)MD
- I20240712001703Internal MedicineDC
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 Brian Dyson DO accepts. To confirm in-network status with your specific health plan, contact Brian Dyson DO directly at (708) 747-4000.
Frequently asked
Yes. NPI 1346626041 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 (708) 747-4000.
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. Brian Dyson DO is a Type-1 individual NPI.