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

Charles G Groen, MD

Individual provider Radiation Oncology Physician · NPI 1497742860

Charles G Groen, MD is a Radiation Oncology Physician in Niles, Illinois. Licensed in Illinois and Indiana. Registered with an NPI since 2005.

Licensed in
IL, IN
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

8915 W Golf Rd 3rd Fl
Niles, IL 60714-5905
Phone: (847) 827-9490
Fax: (847) 827-2241
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 01068054A (IN)
Radiation Oncology Physician Taxonomy 2085R0001X · Licence 036085244 (IL)

Record details

NPI number1497742860
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 30, 2005
Last updated in NPPESNovember 4, 2011
Mailing address3610 Paysphere Cir, Chicago, IL 60674-0036

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