Hospital · Short-term acute hospital
Who owns Mount Carmel St Ann's?
500 South Cleveland Avenue · Westerville, OH · 43081
Overview
Mount Carmel St Ann's is a short-term acute hospital in Westerville, Ohio, operated by Mount Carmel Health System. Franklin County has 20 hospitals, 54 nursing homes and 64 urgent care centers.
Ownership
Mount Carmel St Ann's is operated by Mount Carmel Health System, part of Trinity Health.
- Operator
- Mount Carmel Health System
- Owner group
- Trinity Health
- Ownership type
- Private Nonprofit
- Sources
- CMS Hospital Enrollments and All Owners (PECOS): hospital ownership graph · 2026-10-25
- irs_schedule_h · 202506
- CMS record · 2024
- Company website · 2026-10-25
Ownership history
Every dated change of operator and owner for Mount Carmel St Ann's, with the source for each.
Full ownership tree of Trinity Health
Every entity between this facility and its ultimate owner, with ownership percentages and dates.
Finances
From the hospital's Medicare cost report, fiscal year ending 2025.
| Net patient revenue | $385.0M |
| Operating expenses | $382.6M |
| Net income | $37.2M |
| Net income as a share of net patient revenue | 9.7% |
| Uncompensated care cost | $21.9M |
| Charity care cost | $18.4M |
| Medicaid net revenue | $37.3M |
| Medicare disproportionate share percentage | 12.0% |
Payer mix by inpatient days (2025)
- Commercial and other 74.4%
- Medicare 18.2%
- Medicaid 7.4%
Services
Top inpatient services, Medicare (2024)
| Service | Discharges | Average total payment |
|---|---|---|
| Septicemia or severe sepsis without MV >96 hours with MCC · 871 | 210 | $16K |
| Heart failure and shock with MCC · 291 | 108 | $11K |
| Simple pneumonia and pleurisy with MCC · 193 | 66 | $11K |
| Respiratory infections and inflammations with MCC · 177 | 59 | $13K |
| Kidney and urinary tract infections without MCC · 690 | 48 | $7K |
Top outpatient services, Medicare (2024)
| Service | Services |
|---|---|
| Comprehensive Observation Services · 8011 | 359 |
| Level 5 Musculoskeletal Procedures · 5115 | 195 |
| Level 2 Laparoscopy and Related Services · 5362 | 110 |
| Level 2 Excision/ Biopsy/ Incision and Drainage · 5072 | 93 |
| Level 2 Upper GI Procedures · 5302 | 93 |
Medicare fee-for-service only. Small counts are suppressed by CMS.
Location and market
- Address
- 500 South Cleveland Avenue · Westerville, OH · 43081
- County
- Franklin County
- State
- Ohio
20 off-site locations
Campuses, off-site emergency departments and outpatient departments under this hospital's certification.
Nearby hospitals
| Name | City | Distance |
|---|---|---|
| Mount Carmel Rehabilitation Hospital, An Affiliate | Westerville | 1.7 mi |
| Sun Behavioral Columbus | Columbus | 3.3 mi |
| Riverside Methodist Hospital | Columbus | 7.5 mi |
| Mount Carmel New Albany Surgical Hospital | New Albany | 8.7 mi |
| Ohio State University State Health System | Columbus | 9.3 mi |
| Arthur G. James Cancer Hospital And Research Institute | Columbus | 9.3 mi |
Sources and identifiers
- Operator: CMS Hospital Enrollments and All Owners (PECOS): hospital ownership graph · irs_schedule_h · CMS record · Company website
- Finances and payer mix: CMS hospital cost reports (HCRIS), fiscal year 2025
- 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
- 360012
- NPI
- 1417037045
- Last confirmed
- 2026-10-23
See something wrong? Report a correction.