Hospitals, general medical and surgical · Michigan

St. Joseph Mercy Hospital-Ann Arbor

Ann Arbor, MI · ~5,554 workers · 2 years of OSHA Injury Tracking Application data.

B
Good Safety Record
5.0
Avg TCR
7.5
Industry avg
0
Fatalities
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The verdict

St. Joseph Mercy Hospital-Ann Arbor runs at 67% of its industry's injury rate - safer than the typical Hospitals, general medical and surgical workplace, earning a grade B.

St. Joseph Mercy Hospital-Ann Arbor: 5.0 TCR = 67% of Hospitals, general medical and surgical BLS 7.5 · 2y Form 300A (see methodology below)

St. Joseph Mercy Hospital-Ann Arbor safety composite

St. Joseph Mercy Hospital-Ann Arbor scores strongest on total case rate (tcr) (safer than 52% of same-industry peers) and weakest on dart rate (safer than 51%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

D

52/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 5 per 100 workers

Safer than 52% of industry peers

DART rate
D 1.65 per 100 workers

Safer than 51% of industry peers

Fatalities
D 0

Safer than 52% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

St. Joseph Mercy Hospital-Ann Arbor held a steady TCR band

St. Joseph Mercy Hospital-Ann Arbor's TCR held near 0.3 from 5.2 in 2023 to 4.8 in 2024. Peak filing year was 2023 at 5.2 TCR. In 2024, DART was 0.33× this establishment's average TCR (severity share of cases).

2023=5.2 · 2024=4.8

OSHA ITA Form 300A scorecard

Establishment book 622110 · Ann Arbor, MI AT/BELOW-IND · LARGE

Grade B · TCR 5.0 · 67% of ind

  • DART 1.6 DART
  • RANK #123/262
  • PHOTO 4701-811
  • BOOK 2y book
  • INJ 423 inj
  • SIZE ~5,554 FTE

Nearest TCR peer: 4701-811 (0.0 TCR gap)

Read with this employer → · Industry book → · Michigan employers → · Look up another →

St. Joseph Mercy Hospital-Ann Arbor in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows St. Joseph Mercy Hospital-Ann Arbor averages 5.0 TCR (67% of the Hospitals, general medical and surgical BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

St. Joseph Mercy Hospital-Ann Arbor TCR series: 2023=5.2 · 2024=4.8 · BLS 7.5

Where St. Joseph Mercy Hospital-Ann Arbor falls in its industry

6,862 Hospitals, general medical and establishments

Safer than 52% of graded establishments in this industry, whose median TCR is 5.2.

More dangerous than peersSafer than peers

Narrower to Michigan alone (the establishments it most directly competes with for workers and contracts): ranked #123 safest of 262 Hospitals, general medical and employers in Michigan.

St. Joseph Mercy Hospital-Ann Arbor (5,554 employees, TCR 5.0) among 29 same-industry peers, split at the industry median of 492 employees and a TCR of 5.2 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 02,0004,0006,000 05101520 Average employees Total Case Rate St. Joseph Mercy Hospital-Ann Arbor
St. Joseph Mercy Hospital-Ann Arbor (5,554 employees, TCR 5.0) among 29 same-industry peers, split at the industry median of 492 employees and a TCR of 5.2

St. Joseph Mercy Hospital-Ann Arbor has more employees than the Hospitals, general medical and surgical median and a lower injury rate than the industry's median TCR of 5.2. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2024 4.8 1.6 212 5 0
2023 5.2 1.7 211 5 0

OSHA ITA peer cross-reference

Establishment peer ledger

622110 · MI · Ann Arbor

6,862 Hospitals, general medical and surgical employers nationwide with a credible TCR · 16,393 rated employers in Michigan with headcount on file · 271 employers in Ann Arbor, MI · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR 4701-811 5.0 TCR
NAICS-TCR Ruby Valley Medical Center 5.0 TCR
NAICS-TCR Marin General Hospital Corp 5.0 TCR
NAICS-TCR OakLeaf Surgical Hospital 5.0 TCR
STATE-SIZE Saint Joseph Mercy Hospital-AnnArbor 5,575 FTE
STATE-SIZE 2250-309 5,397 FTE
STATE-SIZE Sterling Heights Assembly Plant 5,783 FTE
STATE-SIZE General Motors Corporation 5,241 FTE
CITY-NEAR IHA Health Services Corporation 2,533 FTE
CITY-NEAR Thomson Reuters - Ann Arbor 1,090 FTE
CITY-NEAR Glacier Hills 567 FTE
CITY-NEAR Extang 533 FTE
NAT-TCR Windham Millwork Inc 5.0 TCR
NAT-TCR Johnson Tractor - Janesville 5.0 TCR
NAT-TCR P&H Mfg Co 5.0 TCR
NAT-TCR Waelz Sustainable Products, LLC 5.0 TCR
NAT-SIZE Marysville Auto Plant 5,559 FTE
NAT-SIZE King County Metro Transit 5,565 FTE
NAT-SIZE Lockheed Martin Corporation Waterton Campus (1004) 5,542 FTE
NAT-SIZE MMC- 22 Bram 5,535 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2024, 2023. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.