Psychiatric HospitalVoluntary Non-Profit - Private

Linden Oaks Hospital

Edward Elmhurst Healthcare · Naperville, IL

852 South West Street, Naperville, IL 60540(630) 305-5500

Not rated by CMS

CMS star rating

106

Beds

3,557

Inpatient discharges a year

$65.6M

Net patient revenue a year

About this hospital

Linden Oaks Hospital is a 106-bed voluntary non-profit - private hospital in Naperville, IL, affiliated with Edward Elmhurst Healthcare.

CCN: 144035
NPI: 1619910460
Website: eehealth.org
Health system: Edward Elmhurst Healthcare
County: DuPage County
Metro area: Chicago-Naperville-Elgin, IL-IN MSA
Medicare contractor: Jurisdiction 6, National Government Services (06101)
In Medicare since: 1992
Last CMS survey: 2018

Negotiated Rates

The data below comes from CMS-mandated price transparency data. Learn more.

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Insurance Accepted

Acceptance varies by plan and service. Confirm coverage with your insurer or the hospital's billing department.

More about this hospital

Quality
Not rated by CMS
See quality ratings
Doctors and services
Accredited by The Joint Commission
- 15 services
See doctors and services
Finances
$65.6M net patient revenue
- Operating margin on patient care 4.4%
- $4.1M net income
See finances
Ownership and leadership
Owned by Edward Health Ventures
- Private (not for profit)
- Gerald Gallagher, chief executive
See ownership and leadership

Tax IDs and NPIs insurers list

The employer identification numbers (EINs) health plans and networks list for Linden Oaks Hospital in the in-network rate files they publish, with the organization NPIs billed under each.

Tax ID (EIN)	Plans and networks listing it	Organization NPIs
36-3965251Naperville Psychiatric Ventures	62Aetna, Cigna, United Healthcare (incl Optum, Rocky Mountain, Health Plan of Nevada, Sierra Health), Allied Benefit Systems, Ambetter and 57 more	1619910460 Naperville Psychiatric Ventures1871628362 Naperville Psychiatric Ventures1245281724 Edward Health Ventures

Source: PayerPrice analysis of insurers' Transparency in Coverage in-network files. An EIN can cover several hospitals and clinics in a health system, and insurers sometimes list other organizations' NPIs under it.

Location

852 South West Street, Naperville, IL 60540

(630) 305-5500

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Every CMS quality measure

Each result CMS publishes for Linden Oaks Hospital, beside the US median and the average of IL hospitals. The rank says what share of US hospitals the result is better or worse than; counts and confidence limits are not ranked.

Inpatient psychiatric care15 measures

Measures CMS reports for the hospital's psychiatric unit or for a psychiatric hospital.

Measure	Linden Oaks Hospital	US median	IL average	CMS comparison	US rank
Follow-up care within 30 days after psychiatric hospitalization2023-07-01 to 2024-06-30 · 238 cases	83.2	60.8	61.49		Better than 96% of US hospitals
Follow-up care within 7 days after psychiatric hospitalization2023-07-01 to 2024-06-30 · 238 cases	52.9	35.5	35.96		Better than 89% of US hospitals
Hours of physical-restraint use per 1,000 psychiatric patient hours2024-01-01 to 2024-12-31 · 30,950 cases	0.2	0.05	0.399		Better than 74% of US hospitals
Hours of seclusion use per 1,000 psychiatric patient hours2024-01-01 to 2024-12-31 · 30,950 cases	0.05	0.03	0.09122		Better than 55% of US hospitals
Psychiatric patients screened for and given the flu vaccine2024-10-01 to 2025-03-31 · 378 cases	92	87	78.18		Better than 63% of US hospitals
Medication continuation after psychiatric discharge2022-07-01 to 2024-06-30 · 253 cases	73.5	78.1	76.67		Worse than 69% of US hospitals
Readmitted to any hospital within 30 days of psychiatric discharge2022-07-01 to 2024-06-30 · 495 cases	15.2	19.1	20.08	Better Than the National Rate	Better than 97% of US hospitals
Psychiatric patients screened for metabolic disorders2024-01-01 to 2024-12-31 · 327 cases	94	92	82.91		Better than 57% of US hospitals
Alcohol use brief intervention provided or offered2024-01-01 to 2024-12-31 · 103 cases	92	74	63.93		Better than 74% of US hospitals
Alcohol use brief intervention provided2024-01-01 to 2024-12-31 · 100 cases	94	81	72.61		Better than 74% of US hospitals
Alcohol and other drug use disorder treatment provided or offered at discharge2024-01-01 to 2024-12-31 · 191 cases	72	77	69.11		Worse than 56% of US hospitals
Alcohol and other drug use disorder treatment provided at discharge2024-01-01 to 2024-12-31 · 191 cases	72	56	55.13		Better than 63% of US hospitals
Tobacco use treatment provided or offered at discharge2024-01-01 to 2024-12-31 · 77 cases	51	64	55.46		Worse than 58% of US hospitals
Tobacco use treatment provided at discharge2024-01-01 to 2024-12-31 · 77 cases	25	4	24.33		Better than 71% of US hospitals
Discharged patients who received a transition record with the specified elements2024-01-01 to 2024-12-31 · 723 cases	67	77	54.33		Worse than 57% of US hospitals

Source: CMS Care Compare hospital files, latest release 2026-08-13, with program results for earlier fiscal years from CMS's archived snapshots. US medians and ranks count every hospital CMS reports; state averages are plain means of the state's reporting hospitals, not CMS's patient-weighted state rates.

Accreditation and services

The Joint Commission (since 2024)
Accreditation
None
Medical school affiliation
Private (not for profit)
Ownership type
108
Medicare-certified beds
88
Registered nurses (full-time equivalent)
1992
In Medicare since

15 services at Linden Oaks Hospital

Emergency and trauma: Emergency Psychiatric Care
Imaging: Diagnostic Radiology
Women and children: Clinical Laboratory
Behavioral health: Adult Inpatient Psychiatric CareAlcohol and/or Drug ServiceGeriatric PsychiatricOutpatient Psychiatric CarePsychiatric Care of Children and/or Adolescents
Rehabilitation and therapy: AudiologyOT (Occupational Therapy)PT (Physical Therapy)Speech Pathology
Other services: Dietary CarePharmacySocial Care

Source: CMS Provider of Services file, as reported by the hospital and state surveyors.

Size and patient volume

What Linden Oaks Hospital reported to Medicare in its latest cost report, covering Jan 1, 2025 to Dec 31, 2025.

3,557
Inpatient discharges
Medicare 10%, Medicaid 1%
29,464
Inpatient days
76% of available bed days used
446
Employees (full-time equivalent)

Source: CMS cost report (HCRIS) (report 839106). Figures cover the reporting period, which is not always 12 months, and are self-reported.

Utilization by payer and unit

Inpatient days and discharges Linden Oaks Hospital reported by payer. Medicare and Medicaid include their managed care plans, shown separately below.

	Medicare	Medicaid	Other	Total
Inpatient days	3,930	225	25,309	29,464
Discharges	350	27	3,180	3,557
Average length of stay	11.2 days	8.3 days	8.0 days	8.3 days
Average daily census	10.8	0.6	69.3	80.7

104
Medicaid managed care days
13 discharges

Beds and days by unit

Unit	Beds	Inpatient days	Medicare days	Occupancy
Adults & pediatrics	106	29,464	3,930	76%

Source: CMS cost report (HCRIS, Form 2552-10), report 839106, as submitted. Hospitals report these figures themselves; they are not audited financial statements. Worksheet S-3 Part I.

Where patients come from

ZIP codes with the most Medicare inpatient stays at Linden Oaks Hospital in 2025. Market share is this hospital's part of every hospital's Medicare stays from the ZIP code. Its published Medicare stays went from 64 in 2020 to 25 in 2025.

ZIP code	Stays	Of this hospital's stays	Days	Charges	Market share	Share in 2020
60565	13	52%	179	$649,287	1%
60563	12	48%	140	$475,673	1%	2%

Source: CMS Hospital Service Area file. Shares are of the 25 stays from ZIP codes CMS publishes; it omits ZIP codes with fewer than 11 stays, so market shares count published stays only.

Staff and facilities

Staff by profession and the rooms and units Linden Oaks Hospital reported at its latest Medicare certification survey (2018). Counts are people, not full-time equivalents.

5
Off-site locations

88
Registered nurses
2
Pharmacists
1
Occupational therapists
4
Dietitians
2
Social workers
8
Psychologists
302
Other personnel

Source: CMS Provider of Services file.

Income statement

Revenue, expenses and income Linden Oaks Hospital reported to Medicare for Jan 1, 2025 to Dec 31, 2025. Percentages are of net patient revenue.

Line	Amount	Share
Gross patient revenue (charges)	$152.7M	232.9%
Inpatient	$92.3M	140.8%
Outpatient	$60.4M	92.1%
Contractual allowances and discounts	-$87.1M	-132.9%
Net patient revenue	$65.6M	100.0%
Operating expenses	-$62.7M	-95.6%
Operating income from patient care	$2.9M	4.4%
Other income	$1.6M	2.5%
Investment income	$4,027	0.0%
Other	$1.6M	2.5%
Other expenses	-$400,002	-0.6%
Net income	$4.1M	6.3%

Gross revenue by payer

Line	Amount	Share
Traditional Medicare	$2.7M	1.8%
Other payers and self-pay	$149.9M	98.2%
Total charges	$152.6M	100.0%

Source: CMS cost report (HCRIS, Form 2552-10), report 839106, as submitted. Hospitals report these figures themselves; they are not audited financial statements. Traditional Medicare is the program charges on Worksheets D-3 and D Part V; Medicaid is from Worksheet S-10.

Financial ratios

Computed from Linden Oaks Hospital's latest cost report.

4.4%
Operating margin
Operating income from patient care / net patient revenue
6.1%
Total margin
Net income / net patient revenue plus other income
11.0%
EBITDAR margin
Net income before interest, depreciation and leases (Worksheet A-7), / total revenue
56% of expenses
Personnel costs
Salaries, direct-care contract labor and core wage-related costs / operating expenses
2.0%
Return on assets
Net income for a year / total assets
12.4%
Return on equity
Net income for a year / fund balance
5.14
Long-term debt to fund balance
Mortgages, notes and loans / fund balance
1.18
Current ratio
Current assets / current liabilities
1.14
Quick ratio
Cash, temporary investments and net receivables / current liabilities
-7 days
Days cash on hand
Cash and temporary investments / daily operating expenses excluding depreciation
44 days
Days in patient receivables
Net patient receivables / daily net patient revenue
36 days
Average payment period
Current liabilities / daily operating expenses excluding depreciation
0.32
Asset turnover
Total revenue for a year / total assets
15.8 years
Average age of plant
Accumulated depreciation / depreciation for a year

Source: CMS cost report (HCRIS, Form 2552-10), report 839106, as submitted. Hospitals report these figures themselves; they are not audited financial statements.

Balance sheet

What Linden Oaks Hospital owned and owed at the end of its reporting period (Dec 2025), across all fund types: $210.5M in total assets and a $33.3M fund balance.

Show the balance sheet

Line	Amount	Of total assets
Cash and temporary investments	-$1.1M	-0.5%
Patient receivables, net	$7.9M	3.8%
Inventory	$200,200	0.1%
Total current assets	$7.1M	3.4%
Property and equipment, net of depreciation	$14M	6.7%
Investments and other assets	$189.4M	90.0%
Total assets	$210.5M	100.0%
Current liabilities	$6M	2.8%
Long-term debt	$171.2M	81.3%
Total liabilities	$177.2M	84.2%
Fund balance (net assets)	$33.3M	15.8%

Source: CMS cost report (HCRIS, Form 2552-10), report 839106, as submitted. Hospitals report these figures themselves; they are not audited financial statements.

Financial trend

Linden Oaks Hospital's full-year cost reports, by fiscal year end. Reports shorter than ten months are left out.

Show 6 years

Fiscal year ending	Jun 2020	Jun 2021	Jun 2022	Dec 2023	Dec 2024	Dec 2025
Net patient revenue	$54.3M	$53.7M	$54.3M	$57.6M	$60.6M	$65.6M
Operating expenses	$62.1M	$61.8M	$63.5M	$57.1M	$58.9M	$62.7M
Operating margin	-14.4%	-15.0%	-17.0%	1.0%	2.9%	4.4%
Net income	-$3.5M	-$2.2M	-$5M	$4.4M	$5.1M	$4.1M
Total assets	$21.9M	$29.1M	$27M	$46.5M	$123.1M	$210.5M
Discharges	3,850	3,475	3,063	3,501	3,501	3,557
Inpatient days	27,675	25,293	24,424	27,447	27,786	29,464
Beds	108	110	110	110	110	106
Employees (FTE)	464	452	460	454	459	446

Source: CMS cost report (HCRIS, Form 2552-10), report 839106, as submitted. Hospitals report these figures themselves; they are not audited financial statements.

Departments

Each cost center Linden Oaks Hospital reports, largest first. Total cost includes its share of overhead; the cost-to-charge ratio is total cost / charges.

Show all 17 departments

Ancillary and outpatient departments

Department	Salaries	Total cost	Charges	Cost-to-charge	Square feet
Partial hospitalization	$9.2M	$20.4M	$58.9M	0.35	9,401
Drugs charged to patients		$1.3M	$9.5M	0.14
Laboratory	$65,548	$230,249	$6.8M	0.03	240
Transcranial mag stim (tms)	$59,756	$139,569	$472,474	0.30
Prov based hosp op		$184	$31,447	0.01

Inpatient units

Department	Salaries	Total cost	Charges	Cost-to-charge	Square feet
Adults & pediatrics	$16.3M	$42.6M	$76.9M	0.55	31,694

Overhead (general service) departments

Department	Salaries	Direct cost	Square feet
Administrative & general	$5.8M	$18.6M	6,511
Employee benefits department	$432,065	$9.5M
Cap rel costs-bldg & fixt		$3M	112,908
Operation of plant	$277,073	$2.8M	60,857
Nursing administration	$1.8M	$1.3M
Dietary	$805,458	$1.3M	3,868
Pharmacy	$383,861	$560,540	337
Cap rel costs-mvble equip		$492,574
Housekeeping		$113,338
Medical records & library		$52,715
Laundry & linen service		$10,781

Source: CMS cost report (HCRIS, Form 2552-10), report 839106, as submitted. Hospitals report these figures themselves; they are not audited financial statements. Worksheets A, B-1, C Part I and S-3 Part II.

Ownership

Organizations Linden Oaks Hospital reports to Medicare as owners or with operational control.

Edward Health Ventures
General partnership interest, 99%, since 1999

Sources: CMS Hospital All Owners.

Leadership

The officers and board members on Linden Oaks Hospital's Medicare enrollment and on the IRS Form 990 filed under its tax ID.

Officers and directors on the Medicare enrollment

Gerald Gallagher Officer, CEO, since 2024
Greg Arnold Director, VP, Revenue Cycle, since 2020
Elizabeth Aquino Director, since 2022
Ram Shivakumar Director, since 2022
Sean Chou Director, since 2022
Ann Ford Director, since 2024
Arie Crown Director, since 2024
Catherine Guthrie Director, since 2024
Christopher Olson Director, since 2024
Connie Duckworth Director, since 2024
David Atchison Director, since 2024
David Zucker Director, since 2024
Gregory Jones Director, since 2024
Harry Kraemer Director, since 2024
John Zern Director, since 2024
Margaret Harrell Director, since 2024
Mary Kay Ladone Director, since 2024
Mary Sheahen Director, since 2024
Rocco Martino Director, since 2024
Ronald Nyberg Director, since 2024
Timothy Rivelli Director, since 2024
Toure Claibourne Director, since 2024
William Farrow Director, since 2024
Shaun Walder Managing employee, System Director, Patient Account, since 2011
Carolyn Cekal Managing employee, Senior Manager Regulatory Reporting, since 2024
Gina Sharp Managing employee, President Linden Oaks Hospital, since 2024

Source: CMS Hospital All Owners (PECOS), the people the hospital lists on its Medicare enrollment; the first 26 of 29 are shown.

Officers and key employees of Naperville Psychiatric Ventures (IRS Form 990, tax year 2024)

Naperville Psychiatric Ventures files the Form 990 for the tax ID insurers list for Linden Oaks Hospital, so these people may lead the wider organization rather than Linden Oaks Hospital alone.

Name	Title
Gerald P Gallagher	System President & CEO
Douglas D Welday	System Treasurer And CFO
Joseph Dant	President, South Region/trustee
Shivani Bautista	System Chief Legal Officer/secretary
Gina Sharp	President, Linden Oaks Hospital
Jason Ogden	Assistant Treasurer
Lydia Andrasz	Assistant Secretary
Maureen Kunz	CNO, Linden Oaks Hospital
Margaret Dixon Harrell	Vice Chair
Sean Chou	Chair

Board members: Walter Whang, Michael T Hoffman, Adam Schriedel, Mark Gomez, Brad Cutler, David Morrissey, Elizabeth Aquino, Harry Siavelis, Ram Shivakumar, Ravi Nemivant, Robert Platt, Sasha Demos, Tom S Lee, Valerie Cahill.

Source: IRS Form 990 Part VII filed by Naperville Psychiatric Ventures (EIN 36-3965251), via the IRS e-file data. A health system's return can cover several hospitals.

Frequently asked questions

About Linden Oaks Hospital's rates and hospital price transparency.

How many patients does Linden Oaks Hospital admit?

Linden Oaks Hospital reported 3,557 inpatient discharges and 29,464 inpatient days from Jan 1, 2025 to Dec 31, 2025.

How many employees does Linden Oaks Hospital have?

Linden Oaks Hospital reported 446 full-time-equivalent employees on payroll from Jan 1, 2025 to Dec 31, 2025.

How much revenue does Linden Oaks Hospital make?

Linden Oaks Hospital reported $65.6M in net patient revenue on $152.7M of gross charges for Jan 1, 2025 to Dec 31, 2025, an operating margin of 4.4%, and net income of $4.1M.

Who is the CEO of Linden Oaks Hospital?

Linden Oaks Hospital's Medicare enrollment lists Gerald Gallagher as CEO since 2024.

What is Linden Oaks Hospital's tax ID (EIN)?

Insurers' price transparency files list Linden Oaks Hospital under employer identification number 36-3965251 (Naperville Psychiatric Ventures). 62 health plans and networks list 36-3965251 for it.

Is Linden Oaks Hospital accredited?

Yes. CMS's Provider of Services file lists The Joint Commission as the accrediting organization for Linden Oaks Hospital, effective 2024.

Who owns Linden Oaks Hospital?

In its Medicare enrollment, Linden Oaks Hospital reports Edward Health Ventures as General partnership interest (99%).

What services does Linden Oaks Hospital offer?

CMS lists 15 services at Linden Oaks Hospital, including Adult Inpatient Psychiatric Care, Alcohol and/or Drug Service, Audiology, Clinical Laboratory, Diagnostic Radiology, Dietary Care.

Where do Linden Oaks Hospital's patients come from?

In CMS's 2025 Hospital Service Area file, the most Medicare inpatient stays at Linden Oaks Hospital came from ZIP codes 60565 (13), 60563 (12).

How many beds does Linden Oaks Hospital have?

Linden Oaks Hospital has 106 beds, including its psychiatric, rehabilitation and other subprovider units, in its latest Medicare cost report. 108 are Medicare-certified beds in CMS's Provider of Services file. Facility type: Psychiatric Hospital.

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{
  "description": "MRI of brain (no contrast)",
  "code_information": [
    { "code": "611", "type": "RC" },
    { "code": "70551", "type": "CPT" }
  ],
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    "setting": "outpatient",
    "minimum": 250,
    "maximum": 400,
    "gross_charge": 1200,
    "discounted_cash": 1080,
    "payers_information": [
      {
        "payer_name": "Platform Health Insurance",
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        "standard_charge_dollar": 400
      },
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        "payer_name": "Region Health Insurance",
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About this hospital

Negotiated Rates

Insurance Accepted

More about this hospital

Tax IDs and NPIs insurers list

Location

Every CMS quality measure

Accreditation and services

15 services at Linden Oaks Hospital

Size and patient volume

Utilization by payer and unit

Beds and days by unit

Where patients come from

Staff and facilities

Income statement

Gross revenue by payer

Financial ratios

Balance sheet

Financial trend

Departments

Ancillary and outpatient departments

Inpatient units

Overhead (general service) departments

Ownership

Leadership

Officers and directors on the Medicare enrollment

Officers and key employees of Naperville Psychiatric Ventures (IRS Form 990, tax year 2024)

Nearby hospitals

Frequently asked questions

Running price transparency at a hospital like this one?

Publish a CMS-compliant machine-readable file

Get your chargemaster right for billing and payer contracts