Updated October 2026

Largest radiology and imaging groups in Illinois

Medical group directory
Illinois
Radiology and imaging

Groups: 90
Radiology groups: 90
Radiology specialists: 914
Physicians: 1,733
More than one site: 74

There are 90 radiology and imaging groups in Illinois with a Medicare PAC ID. Insight Hospital & Medical Center Chicago is the largest, with 184 physicians.

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Insight Hospital & Medical Center Chicago is the largest radiology and imaging group in Illinois, with 184 physicians

Ranked by physicians with an Illinois address linked to each group. Integrated Imaging Consultants is second with 172, and Central Illinois Radiological Associates (CIRA) third with 165. 6 Illinois groups have 100 or more physicians.

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Radiology and imaging groups in Illinois, ranked by physicians
#	Medical group	Parent organization	Physicians	HCPs	Decision makers
1	Insight Hospital & Medical Center ChicagoChicago · 16 sites	Parent on file	184	240	Decision makers
2	Integrated Imaging ConsultantsPark Ridge · 111 sites	-	172	187	Decision makers
3	Central Illinois Radiological Associates (CIRA)East Peoria · 199 sites	-	165	179	Decision makers
4	Kirby Medical CenterMonticello · 4 sites	Parent on file	139	178	Decision makers
5	Specialists in Medical ImagingOlympia Fields · 206 sites	Parent on file	127	132	Decision makers
6	Saint Anthony HospitalChicago · 30 sites	Parent on file	125	172	Decision makers
7	Prime Illinois Medical GroupChicago · 107 sites	Parent on file	92	94	Decision makers
8	Humboldt Park HealthChicago · 45 sites	Parent on file	83	103	Decision makers
9	Graham Medical GroupCanton · 20 sites	Parent on file	79	163	Decision makers
10	SSM Health Good Samaritan Hospital - Mt. VernonMount Vernon · 6 sites	Parent on file	78	124	Decision makers
11	Gibson Area Hospital & Health ServicesGibson City · 30 sites	Parent on file	60	159	Decision makers
12	Crawford Memorial HospitalRobinson · 8 sites	Parent on file	51	81	Decision makers
13	St. Bernard Hospital Anesthesia DepartmentChicago · 10 sites	Parent on file	50	60	Decision makers
14	Loretto HospitalChicago · 4 sites	Parent on file	47	56	Decision makers
15	Horizon HealthParis · 17 sites	Parent on file	45	133	Decision makers
16	Radiology Subspecialists of Northern Illinois, LLCGeneva · 12 sites	-	40	44	Decision makers
17	Advanced RadiologyRock Island · 58 sites	Parent on file	33	33	Decision makers
18	Clay County Hospital and ClinicsFlora · 5 sites	Parent on file	32	78	Decision makers
19	Radiology Consultants of RockfordRockford · 16 sites	-	31	31	Decision makers
20	Radiation Oncology ConsultantsOak Brook · 12 sites	-	29	33	Decision makers
21	Suburban Radiologists, S.C.Lagrange · 4 sites	-	27	29	Decision makers
22	Elmhurst Radiologists, SCElmhurst · 6 sites	-	25	26	Decision makers
23	Lawrence County Memorial HospitalLawrenceville · 3 sites	Parent on file	24	46	Decision makers
24	Northwest Radiology AssociatesArlington Heights · 3 sites	-	24	24	Decision makers
25	Advanced Midwest RadiologyNew Lenox · 5 sites	Parent on file	23	25	Decision makers
26	Vascular and Interventional ProfessionalsHinsdale · 9 sites	-	22	34	Decision makers
27	Aurora Radiology ConsultantsDekalb · 4 sites	-	22	22	Decision makers
28	Northern Lake MedicalGurnee · 8 sites	Parent on file	21	22	Decision makers
29	Aurora Radiology ConsultantsAurora · 3 sites	-	21	21	Decision makers
30	Clinical RadiologistsSpringfield · 36 sites	-	20	22	Decision makers
31	Spectrum Imaging SCChicago · 28 sites	-	19	19	Decision makers
32	The New Roseland Community HospitalChicago · 2 sites	Parent on file	18	26	Decision makers
33	Radiology and Nuclear ConsultantsPalos Heights · 6 sites	-	18	19	Decision makers
34	Advanced Midwest Interventional RadiologyNew Lenox · 4 sites	Parent on file	16	18	Decision makers
35	Naperville Radiologists, S.C.Naperville · 8 sites	-	16	16	Decision makers
36	Advanced Radiology ConsultantsPark Ridge · 5 sites	-	14	15	Decision makers
37	Bright Light Medical ImagingElk Grove Village · 7 sites	-	14	14	Decision makers
38	Valley Imaging ConsultantsAurora · 7 sites	-	14	14	Decision makers
39	Rockford Radiology AssociatesRockford · 40 sites	Parent on file	12	12	Decision makers
40	Radiological Consultants of WoodstockHoffman Estates · 2 sites	-	11	12	Decision makers
41	Endeavor Health Medical GroupChicago · 1 site	Parent on file	9	9	Decision makers
42	USA Vascular Centers ChicagoNorthbrook · 2 sites	Parent on file	8	10	Decision makers
43	Associated Imaging SpecialistsElgin · 1 site	-	8	9	Decision makers
44	Affiliated OncologistsPalos Heights · 2 sites	-	8	8	Decision makers
45	Memorial Imaging Center ForsythForsyth · 11 sites	Parent on file	7	8	Decision makers
46	East Central Illinois RadiologyDanville · 3 sites	Parent on file	6	7	Decision makers
47	Camelot Radiology AssociatesRockford · 24 sites	-	6	6	Decision makers
48	Cook Radiation OncologyChicago · 3 sites	Parent on file	6	6	Decision makers
49	Maryville Radiology GroupMaryville · 4 sites	Parent on file	6	6	Decision makers
50	Pacific Vein CareMchenry · 3 sites	-	6	6	Decision makers

Showing 1 to 10 of 90 radiology and imaging groups in Illinois

Sources: Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Affiliation Data

Radiology Partners has the most physicians in Illinois radiology and imaging groups, with 132 across 3 groups

Dmand AI maps every medical group to its parent organization, up to the health system or platform at the top. 8 parent organizations have two or more Illinois radiology and imaging groups. Among health systems, Endeavor Health has the most groups, 3. Each clinician counts once per parent organization.

Parent organizations with the most Illinois radiology and imaging groups
#	Parent organization	Illinois groups	Physicians	HCPs
1	Radiology PartnersPhysician practice platform	3	132	137
2	SSM Health CareHealth system	2	90	174
3	Advanced Midwest RadiologyPhysician staffing company	2	30	33
4	OSF HealthCareHealth system	2	18	19
5	Endeavor HealthHealth system	3	15	17
6	USA Clinics GroupPhysician practice platform	5	13	15
7	McDonough District HospitalHospital	2	4	5
8	Maxwell TelecarePhysician staffing company	2	2	2

Parent organizations with two or more Illinois groups

Radiology PartnersPhysician practice platform · 3 Illinois radiology and imaging groups
Specialists in Medical ImagingMedical group · Olympia Fields
Advanced RadiologyMedical group · Rock Island
1 more Illinois groups and their practice sites

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Source: Dmand AI Org Hierarchy Data

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Find the decision makers at Illinois radiology and imaging groups

Dmand AI maps the owners, administrators and physician leaders at each of the 90 Illinois radiology and imaging groups, with the parent organization above each one, and finds validated work emails and mobile numbers.

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41% of Illinois radiology and imaging groups are independent, with no larger parent organization

A group counts as independent when no health system, platform or other organization sits above it in the org hierarchy. Every other group belongs to a larger organization.

Illinois radiology and imaging groups by ownership

Independent3741%
Health system or hospital3134%
Platform or corporate owner1416%
Community or government11%
Other organization78%

Sites of care beyond their own offices

Practice at a hospital62

Practice at a surgery center10

Practice at a rural health clinic7

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Dmand AI maps each group to the health system, physician platform or management company above it, so you can sell to the owner, not one site.

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Source: Dmand AI Org Hierarchy Data

62 Illinois radiology and imaging groups practice at a hospital site, and 10 at a surgery center

Sites of care linked to each group in the org hierarchy, beyond its own offices. A group can practice at several kinds of site.

Illinois radiology and imaging groups by site of care

Hospitals6269%
Ambulatory surgery centers1011%
Rural health clinics78%
Skilled nursing facilities22%
Therapy and rehab centers22%
FQHCs11%
Hospices11%

Clinicians in Illinois radiology and imaging groups

Radiology specialists914

All HCPs2,405

Sources: Dmand AI Practice Data and Dmand AI Org Hierarchy Data

Chicago has the most radiology and imaging groups in Illinois, with 14

14radiology and imaging groups in Chicago

8radiology and imaging groups in Northbrook

3radiology and imaging groups in Hinsdale

3radiology and imaging groups in Mount Vernon

3radiology and imaging groups in Rockford

2radiology and imaging groups in Arlington Heights

More Illinois cities with radiology and imaging groups

Aurora2
Elk Grove Village2
Lombard2
Macomb2
Naperville2
New Lenox2
Oak Brook2
Palos Heights2
Park Ridge2
Skokie2
Westmont2
Canton1
Carbondale1
Carterville1
Danville1

Source: Doctors and Clinicians National Downloadable File (CMS)

Each Illinois radiology and imaging group profile shows the parent, sites, clinicians and identifiers

Clinicians and specialtiesA count by specialty and a sample of the group's cliniciansOn every profile
Practice locationsMain site and a sample of practice locations, with a count of the restOn every profile
Medicare Part B paymentsMedicare payments to the group, from CMSOn every profile
Group NPI and Medicare PAC IDIdentifiers for matching records across sourcesOn every profile
Parent organizationThe health system, platform or owner above the groupOn every profile
Every clinician and siteThe full roster and every practice locationWith a free account
Leader and clinician contactsWork emails and mobile numbers, found on request and then validatedWith a free account
EHR used by the group's cliniciansThe EHR in use at the group's sitesWith a free account

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Sources: Doctors and Clinicians National Downloadable File (CMS), Medicare Physician & Other Practitioners (CMS) and Dmand AI Org Hierarchy Data

Sources for the Illinois radiology and imaging group list

Sources for the data on this page
Data on this page	Source
Medical groups, specialties and sites	Doctors and Clinicians National Downloadable File (CMS) and Dmand AI Professional Profile Data
Parent organizations and independence	Dmand AI Org Hierarchy Data
Physicians and HCPs	Dmand AI Affiliation Data
Group NPI and PAC ID	NPPES NPI Registry (CMS) and Doctors and Clinicians National Downloadable File (CMS)

Data last refreshed October 2026Report an inaccuracy Remove my information

Groups whose main specialty is radiology and imaging and that have a Medicare PAC ID.

FAQ

Frequently asked questions about radiology and imaging groups in Illinois

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

How many radiology and imaging groups are in Illinois?

There are 90 radiology and imaging groups in Illinois with a Medicare PAC ID. Between them they have 914 radiology specialists.

Which companies own the most radiology and imaging groups?

By physicians, Radiology Partners, with 132 across 3 groups, followed by SSM Health Care with 90 and Advanced Midwest Radiology with 30.

How many Illinois radiology and imaging groups are independent?

37, or 41%, have no larger parent organization in the Dmand AI org hierarchy. 31 belong to a health system or hospital and 14 to a physician platform or corporate owner.

Why are radiology and imaging listed together?

They share one specialty category in the Dmand AI medical group data. Each group is listed under its main specialty.

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