General medical and surgical hospitals · Iowa

MercyOne North Iowa Medical Center

Mason City, IA · ~1,556 workers · 3 years of OSHA Injury Tracking Application data.

B
Good Safety Record
5.3
Avg TCR
7.5
Industry avg
0
Fatalities
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The verdict

MercyOne North Iowa Medical Center runs at 71% of its industry's injury rate - safer than the typical General medical and surgical hospitals workplace, earning a grade B.

MercyOne North Iowa Medical Center: 5.3 TCR = 71% of General medical and surgical hospitals BLS 7.5 · 3y Form 300A (see methodology below)

MercyOne North Iowa Medical Center safety composite

MercyOne North Iowa Medical Center scores strongest on dart rate (safer than 75% of same-industry peers) and weakest on total case rate (tcr) (safer than 47%), 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).

C

58/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 5.32 per 100 workers

Safer than 47% of industry peers

DART rate
B 0.66 per 100 workers

Safer than 75% 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

−3.0

2019→2022

MercyOne North Iowa Medical Center injury rate improved

MercyOne North Iowa Medical Center's TCR fell 3.0 from 6.6 in 2019 to 3.6 in 2022. Peak filing year was 2019 at 6.6 TCR. In 2022, DART was 0.12× this establishment's average TCR (severity share of cases).

2019=6.6 · 2021=5.8 · 2022=3.6

OSHA ITA Form 300A scorecard

Establishment book 622110 · Mason City, IA AT/BELOW-IND · LARGE

Grade B · TCR 5.3 · 71% of ind

  • DART 0.7 DART
  • RANK #105/160
  • PHOTO UC Los Angeles Health
  • BOOK 3y book
  • INJ 202 inj
  • SIZE ~1,556 FTE

Nearest TCR peer: UC Los Angeles Health (0.0 TCR gap)

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MercyOne North Iowa Medical Center in the TCR neighbourhood

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

TCR

What this shows MercyOne North Iowa Medical Center averages 5.3 TCR (71% 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

MercyOne North Iowa Medical Center TCR series: 2019=6.6 · 2021=5.8 · 2022=3.6 · BLS 7.5

Where MercyOne North Iowa Medical Center falls in its industry

6,862 General medical and surgical h establishments

Safer than 47% of graded establishments in this industry, whose median TCR is 5.2.

More dangerous than peersSafer than peers

Narrower to Iowa alone (the establishments it most directly competes with for workers and contracts): ranked #105 safest of 160 General medical and surgical h employers in Iowa.

MercyOne North Iowa Medical Center (1,556 employees, TCR 5.3) 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 MercyOne North Iowa Medical Center
MercyOne North Iowa Medical Center (1,556 employees, TCR 5.3) among 29 same-industry peers, split at the industry median of 492 employees and a TCR of 5.2

MercyOne North Iowa Medical Center has more employees than the General medical and surgical hospitals median and a higher 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
2022 3.6 0.7 49 0 0
2021 5.8 3.3 71 1 0
2019 6.6 3.0 82 5 0

OSHA ITA peer cross-reference

Establishment peer ledger

622110 · IA · Mason City

6,862 General medical and surgical hospitals employers nationwide with a credible TCR · 7,192 rated employers in Iowa with headcount on file · 126 employers in Mason City, IA · 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 UC Los Angeles Health 5.3 TCR
NAICS-TCR Northside Hospital Gwinnett 5.3 TCR
NAICS-TCR Baptist Health System Jacksonville Baptist Nassau 5.3 TCR
NAICS-TCR Weirton Medical Center 5.3 TCR
STATE-SIZE Smithfield Denison 1,555 FTE
STATE-SIZE Des Moines Works 1,555 FTE
STATE-SIZE South Ice Cream Plant 1,523 FTE
STATE-SIZE Mercy Medical Center-Mason City-MHS-IA/NE 1,590 FTE
CITY-NEAR Mercy Medical Center East Campus 1,592 FTE
CITY-NEAR CURRIES 683 FTE
CITY-NEAR KraftHeinz Mason City Iowa 615 FTE
CITY-NEAR WM 810 362 FTE
NAT-TCR 025 Easton/Bethleham PA 5.3 TCR
NAT-TCR Metro East TMC (Conyers)- 1465 General Arts Rd. Conyers, GA 5.3 TCR
NAT-TCR 4598-Rtl Chicago Idealease 5.3 TCR
NAT-TCR MFE103 5.3 TCR
NAT-SIZE Aiken - PSR (BAMG) 1,556 FTE
NAT-SIZE 056679-Sacramento Ca P&Dc 1,556 FTE
NAT-SIZE Sedalia Plant 1,556 FTE
NAT-SIZE New Brunswick 1,555 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: 2022, 2021, 2019. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.