Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Illinois Proton Center LLC

Organization Radiation Oncology Clinic/Center · NPI 1972824142

Illinois Proton Center LLC is a Radiation Oncology Clinic/Center in Warrenville, Illinois. Registered with an NPI since 2010.

In the registry since
2010
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

4455 Weaver Pkwy
Warrenville, IL 60555-3269
Phone: (630) 821-6400
Fax: (630) 821-6474
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Clinic/Center (primary) Taxonomy 261QX0203X

Record details

NPI number1972824142
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Michael Mullen — Vp, Hospital Revenue Cycle, Nmhc · (630) 938-6076
Other names Northwestern Medicine Chicago Proton Center
NPI enumeratedJune 22, 2010
Last updated in NPPESFebruary 12, 2025
Certification dateFebruary 12, 2025
Mailing addressDept 5777, Carol Stream, IL 60122