Dr. Irfan Siddiqui MD
About this NPIWhat this record shows.
NPI 1023404795 is registered to Dr. Irfan Siddiqui MD, 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. Dr. Irfan Siddiqui MD has been enumerated in the National Provider Identifier (NPI) registry since 2015.
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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.
Practitioner
- I20180605002391Internal MedicineIL
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 Dr. Irfan Siddiqui MD accepts. To confirm in-network status with your specific health plan, contact Dr. Irfan Siddiqui MD directly at (312) 731-6329.
Frequently asked
Yes. NPI 1023404795 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) 731-6329.
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. Irfan Siddiqui MD is a Type-1 individual NPI.