Nathan Fletcher
About this NPIWhat this record shows.
NPI 1598517567 is registered to Nathan Fletcher, a Internal Medicine practising at 4220 W 95th St Ste 200 in Oak Lawn, Illinois. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Nathan Fletcher has been enumerated in the National Provider Identifier (NPI) registry since 2024.
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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 Nathan Fletcher accepts. To confirm in-network status with your specific health plan, contact Nathan Fletcher directly at (708) 398-0287.
Frequently asked
Yes. NPI 1598517567 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) 398-0287.
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. Nathan Fletcher is a Type-1 individual NPI.