Chestnut Health Systems

Illinois · Health Center Program awardee · UDS 2025

Chestnut Health Systems is a federally qualified health center (FQHC) in Illinois and a Health Center Program awardee, funded in part by Section 330 of the Public Health Service Act. Its service delivery sites include Bloomington, Granite City, Belleville, and Maryville. In 2025 it served 10,083 patients, up 8.5% from 9,295 in 2024. 14.5% of its patients were uninsured, compared with 18.6% across Illinois health centers and 17.2% nationally.

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Medium by patient volume (small: under 10,000 patients; medium: 10,000–29,999; large: 30,000 or more) · urban setting · Section 330 funding: Community Health Center

10,083Patients served, 2025

14.5%of patients uninsured

58.5%of patients on Medicaid/CHIP

$1,612Total accrued cost per patient

Chestnut Health Systems compared with Illinois and the nation, 2025

State and national columns are HRSA's published figures for Section 330-funded health centers. A dash means HRSA publishes no figure.
Measure	Chestnut Health Systems	Illinois health centers	National
Patients
Children under 18	13.6%	31.9%	28.6%
Adults 65 and older	5.6%	8.9%	12.8%
At or below 200% of the federal poverty guideline	86.9%	92.5%	90.0%
Insurance status
Uninsured	14.5%	18.6%	17.2%
Medicaid / CHIP	58.5%	53.4%	47.9%
Medicare	10.9%	7.7%	11.6%
Private insurance	16.0%	20.3%	23.0%
Cost
Total accrued cost per patient	$1,612	$1,244	$1,672
Clinical quality
Cervical cancer screening	23.7%	64.8%	57.0%
Breast cancer screening	24.4%	54.4%	56.0%
Controlling high blood pressure	73.6%	67.3%	69.1%
Diabetes: HbA1c poor control (lower is better)	39.2%	28.5%	26.3%
Depression screening and follow-up	93.3%	82.8%	75.3%
Early entry into prenatal care	81.4%	79.8%	73.4%
Childhood immunization status	0.0%	31.3%	29.5%
Tobacco screening and cessation	90.8%	88.1%	84.8%
Statin therapy for cardiovascular disease	76.3%	82.9%	79.0%

Patients by service

Service	2025
Medical	6,249
Dental	1,179
Mental health	6,542

Trends, 2016–2025

Year	Patients	Cost per patient	Uninsured	Medicaid/CHIP
2025	10,083	$1,612	14.5%	58.5%
2024	9,295	$1,523	14.3%	59.2%
2023	8,074	$1,804	4.3%	67.4%
2022	5,931	$1,754	9.3%	67.9%
2021	6,332	$1,347	4.5%	70.0%
2020	4,406	–	7.1%	71.9%
2019	3,871	–	10.0%	69.7%
2018	3,925	–	–	73.2%
2017	4,125	–	6.6%	73.0%
2016	3,732	–	6.0%	73.8%

Explore Chestnut Health Systems in the dashboard. It opens with this health center already selected, so you can chart its ten-year trends against state, national and peer-group benchmarks, and see its service area on a map and its payer, age, diagnosis and service-line mix.
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Other health centers in Illinois

All 52 health centers in Illinois