Markets / Illinois / Cook County / Advocate Illinois Masonic Medical Center

Hospital · Short-term acute hospital

Who owns Advocate Illinois Masonic Medical Center?

836 West Wellington Avenue · Chicago, IL · 60657

Operator, owner, quality, finances and services are in the full report. See pricing or sign in.

Overview

Beds307

Advocate Illinois Masonic Medical Center is a short-term acute hospital in Chicago, Illinois. Cook County has 51 hospitals, 191 nursing homes and 262 urgent care centers.

Ownership

Ownership type
Private Nonprofit

Operator and owner

Who operates Advocate Illinois Masonic Medical Center, the group or system that owns it, partner owners and managers, recent ownership changes, and the source and date for each.

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Finances

Finances and payer mix

Net patient revenue, expenses, margin, uncompensated and charity care, and payer mix from the Medicare cost report.

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Services

Top Medicare services

The leading inpatient and outpatient services by Medicare volume, with average payments.

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Location and market

Address
836 West Wellington Avenue · Chicago, IL · 60657
County
Cook County
State
Illinois
Hospitals in the county51
Nursing homes191
Urgent care centers262

9 off-site locations

Campuses, off-site emergency departments and outpatient departments under this hospital's certification.

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Nearby hospitals

Sources and identifiers

  • Finances and payer mix: CMS hospital cost reports (HCRIS), fiscal year 2024
  • Services: CMS Medicare inpatient and outpatient utilization
  • Ownership type and beds: CMS Provider of Services file
  • Location: CMS and Census Bureau geography
CMS certification number
140182
NPI
1912014564
Last confirmed
2026-10-23

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Who owns Advocate Illinois Masonic Medical Center, Chicago IL: owner and operator (as of Oct 2026)