Identification and Characteristics
- Last updated 09/03/2025 / Definitions
| Name and Address: | Advocate Illinois Masonic Medical Center 836 West Wellington Avenue Chicago, IL 60657 |
| Telephone Number: | (773) 975-1600 |
| Hospital Website: | www.advocatehealth.com/immc/ |
| CMS Certification Number: | 140182 |
| Type of Facility: | Short Term Acute Care |
| Type of Control: | Voluntary Nonprofit, Church |
| Total Staffed Beds: | 307 |
| Total Patient Revenue: | $2,975,134,897 |
| Total Discharges: | 11,383 |
| Total Patient Days: | 49,269 |
| TPS Quality Score: | 14.50 |
| Patient Experience Rating: |   |
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Notes
This facility formerly reported under Advocate Illinois Masonic Medical Center (140132) since 11/03/2000.
Advocate Aurora Health and Atrium Health combined on December 2, 2022 to create a new health system called Advocate Health.
Source: Advocate Health, 12/02/2022
Advocate Health Care and Milwaukee-based Aurora Health Care finalized their merger on April 1, 2018 to become Advocate Aurora Health.
Source:Advocate Aurora Health News release3/22/2018.
This map is for general reference and should not be used in seeking medical care.
Explore online costs by MS-DRG, medical service, routine service, or department
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Clinical Services
- Cardiovascular Services
- Cardiac Cath Lab
- Cardiac Rehab
- Cardiac Surgery
- Carotid Stenting
- Coronary Interventions
- Electrophysiology
- Vascular Surgery
- Emergency Services
- Emergency Department
- Neurosciences
- Electroencephalography (EEG)
- Sleep Studies
- Oncology Services
- Chemotherapy
- Radiation Therapy
- Orthopedic Services
- Arthroscopy
- Joint Replacement
- Spine Surgery
- Other Services
- Hemodialysis
- Obstetrics
- Radiology / Nuclear Medicine / Imaging
- Computed Tomography (CT)
- Computed Tomography-Angiography (CTA)
- Digital Mammography
- Intensity-Modulated Radiation Therapy (IMRT)
- Magnetic Resonance Imaging (MRI)
- Positron Emission Tomography (PET)
- Single Photon Emission Computerized Tomography (SPECT)
- Rehabilitation Services
- Physical Therapy
- Speech Therapy
- Special Care
- Coronary Intensive Care (CCU)
- Intensive Care Unit (ICU)
- Subprovider Units
- Psychiatric
- Rehabilitation
- Surgery
- Inpatient Surgery
- Robotic Surgery
- Wound Care
- Wound Care
DNV Hospital Accreditation
- DNV Hospital Accreditation from DNV Healthcare Inc.
- Last updated 12/09/2024 / Definitions and Terms of Use
- Accredited for the period: 12/15/2024 - 12/15/2027
Verified Trauma Program
- Type: Level I Trauma Center
- Type: Level III Pediatric Trauma Center
Teaching Status
- Data are from multiple sources / Definitions
- ACGME data are from the Graduate Medical Education Database, Copyright 2005, American Medical Association, Chicago, Illinois.
- See FREIDA OnLine for more / Last Update
- CAHSE data are from the Association of American Medical Colleges / Division of Health Care Affairs / Council of Academic Health System Executives (CAHSE)
- See CAHSE website for more / Last Updated 02/03/2025
- Teaching status = Yes / Number of interns and Residents = 183 FTEs
- Major teaching hospital; member of the Council of Academic Health System Executives (CAHSE)
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Inpatient Utilization Statistics by Medical Service
| Number Medicare Inpatients | Average Length of Stay | Average Charges | Medicare Case Mix Index (CMI) | |
|---|---|---|---|---|
| Cardiology | 309 | 4.14 | $59,989 | 1.2989 |
| Cardiovascular Surgery | 127 | 4.84 | $183,165 | 4.0807 |
| Medicine | 723 | 4.45 | $56,099 | 1.3532 |
| Neurology | 236 | 5.06 | $62,135 | 1.5125 |
| Neurosurgery | 11 | 8.27 | $187,680 | 4.1650 |
| Oncology | 57 | 4.56 | $65,121 | 1.5349 |
| Orthopedic Surgery | 148 | 4.53 | $125,753 | 2.9280 |
| Orthopedics | 164 | 6.32 | $56,658 | 1.1820 |
| Psychiatry | 92 | 8.93 | $41,885 | 1.3194 |
| Pulmonology | 215 | 3.56 | $51,834 | 1.3483 |
| Surgery | 221 | 8.43 | $164,510 | 3.6228 |
| Surgery for Malignancy | 22 | 4.68 | $111,326 | 2.4852 |
| Urology | 116 | 4.09 | $56,868 | 1.2676 |
| Vascular Surgery | 28 | 5.25 | $108,283 | 2.9472 |
| Total | 2,474 | 5.08 | $78,621 | 1.8276 |
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Inpatient Origin for Top 3 Zip Codes
- Medicare Hospital Market Service Area File for calendar year ending 12/31/2024 / Definitions
| ZIP Code of Residence | Discharges | Days of Care | Charges | Discharges Inc/(Dec) | Market Share |
|---|---|---|---|---|---|
| 60618 | 563 | 2,569 | $45,561,025 | 20.3% | 28.3% |
| 60657 | 513 | 2,367 | $41,132,148 | 36.8% | 31.6% |
| 60614 | 412 | 1,851 | $30,214,197 | -4.8% | 27.1% |
Outpatient Utilization Statistics by APC
| APC Number |
APC Description | Number Patient Claims |
Average Charge |
Average Cost |
|---|---|---|---|---|
| 8011 | Comprehensive Observation Services | 593 | $3,606 | $378 |
| 5012 | Clinic Visits and Related Services | 13,191 | $188 | $38 |
| 5491 | Level 1 Intraocular Procedures | 449 | $4,839 | $887 |
| 5213 | Level 3 Electrophysiologic Procedures | 39 | $33,656 | $5,617 |
| 5694 | Level 4 Drug Administration | 3,168 | $1,581 | $265 |
| 5115 | Level 5 Musculoskeletal Procedures | 69 | $30,268 | $5,548 |
| 5025 | Level 5 Type A ED Visits | 1,011 | $3,741 | $392 |
| 5693 | Level 3 Drug Administration | 2,651 | $786 | $131 |
| 5312 | Level 2 Lower GI Procedures | 387 | $2,898 | $486 |
| 5465 | Level 5 Neurostimulator and Related Procedures | 13 | $20,261 | $3,714 |
| 5114 | Level 4 Musculoskeletal Procedures | 49 | $17,710 | $3,246 |
| 5594 | Level 4 Nuclear Medicine and Related Services | 220 | $9,331 | $1,112 |
| 5024 | Level 4 Type A ED Visits | 739 | $2,560 | $269 |
| 5623 | Level 3 Radiation Therapy | 64 | $4,579 | $764 |
| 5572 | Level 2 Imaging with Contrast | 770 | $4,174 | $328 |
| 5522 | Level 2 Imaging without Contrast | 2,365 | $1,146 | $96 |
| 5692 | Level 2 Drug Administration | 4,209 | $503 | $84 |
| 5193 | Level 3 Endovascular Procedures | 22 | $14,558 | $2,074 |
| 5191 | Level 1 Endovascular Procedures | 71 | $14,880 | $1,933 |
| 5361 | Level 1 Laparoscopy and Related Services | 39 | $30,677 | $5,623 |
Beds and Patient Days by Unit
| Available Beds | Inpatient Days | |
|---|---|---|
| HOSPITAL (including swing beds) |
||
| Routine Services | 145 | 23,912 |
| Special Care | 110 | 23,035 |
| Nursery | 2,322 | |
| Total Hospital | 307 | 60,575 |
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Financial Statistics
| $ | % | |
|---|---|---|
| Gross Patient Revenue | $2,975,134,897 | 97.7 |
| Non-Patient Revenue | $70,805,523 | 2.3 |
| Total Revenue | $3,045,940,420 | |
| Net Income (or Loss) | $203,534,106 | 6.7 |