Dr. Cornelius Whalen M.D.
About this NPIWhat this record shows.
NPI 1184774564 is registered to Dr. Cornelius Whalen M.D., a Family Medicine practising at 925 18th St in Charleston, Illinois. Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment. Dr. Cornelius Whalen M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
Source: NPPES public registry.
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
- I20120220000378Family 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 Dr. Cornelius Whalen M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Cornelius Whalen M.D. directly at (217) 345-2123.
Frequently asked
Yes. NPI 1184774564 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment.
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 (217) 345-2123.
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. Cornelius Whalen M.D. is a Type-1 individual NPI.