General medical and surgical hospitals · Michigan

Trinity Health IHA Medical Group OB GYN West Arbor

Ann Arbor, MI · ~26 workers · 2 years of OSHA Injury Tracking Application data.

A
Excellent Safety Record
2.0
Avg TCR
7.5
Industry avg
0
Fatalities
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The verdict

Trinity Health IHA Medical Group OB GYN West Arbor runs at 26% of its industry's injury rate - far safer than the typical General medical and surgical hospitals workplace, earning a grade A.

Trinity Health IHA Medical Group OB GYN West Arbor: 2.0 TCR = 26% of General medical and surgical hospitals BLS 7.5 · 2y Form 300A (see methodology below)

Trinity Health IHA Medical Group OB GYN West Arbor safety composite

Trinity Health IHA Medical Group OB GYN West Arbor scores strongest on dart rate (safer than 91% of same-industry peers) and weakest on fatalities (safer than 52%), 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).

B

80/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
B 1.98 per 100 workers

Safer than 89% of industry peers

DART rate
A 0 per 100 workers

Safer than 91% 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%).

TCR Δ

−4.0

2022→2023

Trinity Health IHA Medical Group OB GYN West Arbor injury rate improved

Trinity Health IHA Medical Group OB GYN West Arbor's TCR fell 4.0 from 4.0 in 2022 to 0.0 in 2023. Peak filing year was 2022 at 4.0 TCR. In 2023, DART was 0× this establishment's average TCR (severity share of cases).

2022=4.0 · 2023=0.0

OSHA ITA Form 300A scorecard

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

Grade A · TCR 2.0 · 26% of ind

  • DART 0.0 DART
  • RANK #28/262
  • PHOTO NH-Pewaukee Communit…
  • BOOK 2y book
  • INJ 1 inj
  • SIZE ~26 FTE

Nearest TCR peer: NH-Pewaukee Community Hospital (0.0 TCR gap)

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

Trinity Health IHA Medical Group OB GYN West Arbor in the TCR neighbourhood

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

TCR

What this shows Trinity Health IHA Medical Group OB GYN West Arbor averages 2.0 TCR (26% of the General medical and surgical hospitals BLS benchmark).

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

Trinity Health IHA Medical Group OB GYN West Arbor TCR series: 2022=4 · 2023=0 · BLS 7.5

Where Trinity Health IHA Medical Group OB GYN West Arbor falls in its industry

6,862 General medical and surgical h establishments

Safer than 89% 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 #28 safest of 262 General medical and surgical h employers in Michigan.

Trinity Health IHA Medical Group OB GYN West Arbor (26 employees, TCR 2.0) 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 Trinity Health IHA Medical Group OB GYN West Arbor
Trinity Health IHA Medical Group OB GYN West Arbor (26 employees, TCR 2.0) among 29 same-industry peers, split at the industry median of 492 employees and a TCR of 5.2

Trinity Health IHA Medical Group OB GYN West Arbor has fewer employees than the General medical and surgical hospitals 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
2023 0.0 0.0 0 0 0
2022 4.0 0.0 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

622110 · MI · Ann Arbor

6,862 General medical and surgical hospitals 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 NH-Pewaukee Community Hospital 2.0 TCR
NAICS-TCR Gibson Area Hospital & Health Services 2.0 TCR
NAICS-TCR WESTFIELD MEMORIAL HOSPITAL 2.0 TCR
NAICS-TCR Alleghany Health 2.0 TCR
STATE-SIZE Walther Farms Cass City 26 FTE
STATE-SIZE United States Gypsum 26 FTE
STATE-SIZE Genesee Power Station 26 FTE
STATE-SIZE Bronson SC 26 FTE
CITY-NEAR Saint Joseph Mercy Hospital-AnnArbor 5,575 FTE
CITY-NEAR St. Joseph Mercy Hospital-Ann Arbor 5,554 FTE
CITY-NEAR IHA Health Services Corporation 2,533 FTE
CITY-NEAR Thomson Reuters - Ann Arbor 1,090 FTE
NAT-TCR Market Basket #50 2.0 TCR
NAT-TCR Stewart & Stevenson I-10 Branch 2.0 TCR
NAT-TCR Higginbotham Automobiles of East Memphis 2.0 TCR
NAT-TCR Maple Leaf Farms, Inc., World Headquarters 2.0 TCR
NAT-SIZE Les Schwab Tire Center-Monroe 26 FTE
NAT-SIZE Les Schwab Tire Center-Salt Lake 26 FTE
NAT-SIZE International Diamond Services, Inc. 26 FTE
NAT-SIZE Halvor Logistics Services Superior 26 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: 2023, 2022. 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.