Robert Mcwilliams M.D.
About this NPIWhat this record shows.
NPI 1487633962 is registered to Robert Mcwilliams M.D., a Medical Oncology Physician practising at 530 Ne Glen Oak Ave in Peoria, Illinois. Medical Oncology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Robert Mcwilliams M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
Medicare enrollment
This provider holds 2 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
- I20050124001040Medical OncologyMN
- I20251124000639Medical OncologyIL
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 Robert Mcwilliams M.D. accepts. To confirm in-network status with your specific health plan, contact Robert Mcwilliams M.D. directly at (309) 655-2000.
Frequently asked
Yes. NPI 1487633962 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Medical Oncology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
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 (309) 655-2000.
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. Robert Mcwilliams M.D. is a Type-1 individual NPI.