Employer · New York

John T. Mather Memorial Hospital

Port Jefferson, NY · ~2,510 workers · 3 years of OSHA Injury Tracking Application data.

C
Average Safety Record
4.3
Avg TCR
3.8
Industry avg
0
Fatalities
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The verdict

John T. Mather Memorial Hospital runs at 113% of its industry's injury rate - about level with the typical industry workplace, earning a grade C.

John T. Mather Memorial Hospital: 4.3 TCR = 113% of industry BLS 3.8 · 3y Form 300A (see methodology below)

John T. Mather Memorial Hospital safety composite

John T. Mather Memorial Hospital scores strongest on total case rate (tcr) (safer than 51% of same-industry peers) and weakest on dart rate (safer than 24%), 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

41/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
D 4.28 per 100 workers

Safer than 51% of industry peers

DART rate
F 1.53 per 100 workers

Safer than 24% of industry peers

Fatalities
D 0

Safer than 50% 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

−0.9

2017→2024

John T. Mather Memorial Hospital injury rate improved

John T. Mather Memorial Hospital's TCR fell 0.9 from 5.0 in 2017 to 4.1 in 2024. Peak filing year was 2017 at 5.0 TCR. In 2024, DART was 0.36× this establishment's average TCR (severity share of cases).

2017=5.0 · 2023=3.7 · 2024=4.1

OSHA ITA Form 300A scorecard

Establishment book 621999 · Port Jefferson, NY ABOVE-IND · LARGE

Grade C · TCR 4.3 · 113% of ind

  • DART 1.5 DART
  • RANK #33/39
  • PHOTO Margaretville Hospital
  • BOOK 3y book
  • INJ 221 inj
  • SIZE ~2,510 FTE

Nearest TCR peer: Margaretville Hospital (0.0 TCR gap)

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

John T. Mather Memorial Hospital in the TCR neighbourhood

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

TCR

What this shows John T. Mather Memorial Hospital averages 4.3 TCR (113% of the industry BLS benchmark).

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

John T. Mather Memorial Hospital TCR series: 2017=5 · 2023=3.7 · 2024=4.1 · BLS 3.8

Where John T. Mather Memorial Hospital falls in its industry

461 industry establishments

Safer than 51% of graded establishments in this industry, whose median TCR is 4.5.

More dangerous than peersSafer than peers

Narrower to New York alone (the establishments it most directly competes with for workers and contracts): ranked #33 safest of 39 industry employers in New York.

John T. Mather Memorial Hospital (2,510 employees, TCR 4.3) among 29 same-industry peers, split at the industry median of 73 employees and a TCR of 4.5 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 01,0002,0003,000 05101520 Average employees Total Case Rate John T. Mather Memorial Hospital
John T. Mather Memorial Hospital (2,510 employees, TCR 4.3) among 29 same-industry peers, split at the industry median of 73 employees and a TCR of 4.5

John T. Mather Memorial Hospital has more employees than the industry median and a lower injury rate than the industry's median TCR of 4.5. 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 4.1 1.5 73 0 0
2023 3.7 1.4 66 0 0
2017 5.0 3.0 82 4 0

OSHA ITA peer cross-reference

Establishment peer ledger

621999 · NY · Port Jefferson

461 industry employers nationwide with a credible TCR · 21,008 rated employers in New York with headcount on file · 17 employers in Port Jefferson, NY · 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 Margaretville Hospital 4.3 TCR
NAICS-TCR Clovis Community Medical Center 4.3 TCR
NAICS-TCR Gottlieb Memorial Hospital 4.3 TCR
NAICS-TCR 5087 - FL Manatee County 4.3 TCR
STATE-SIZE UHS Wilson Medical Center 2,521 FTE
STATE-SIZE Arnot Ogden Medical Center 2,497 FTE
STATE-SIZE Delta Air Lines - LGA 2,495 FTE
STATE-SIZE United Health Services Hospitals, Inc. 2,528 FTE
CITY-NEAR St. Charles Hospital, Catholic Health Services 1,836 FTE
CITY-NEAR St. Charles Hospital 1,492 FTE
CITY-NEAR 75 North Country Rd 662 FTE
CITY-NEAR The Bridgeport & Port Jefferson Steamboat Company 116 FTE
NAT-TCR Custom Foods, Inc. 4.3 TCR
NAT-TCR Vanor - Norfolk 4.3 TCR
NAT-TCR Savage Mn Sales Center 4.3 TCR
NAT-TCR Eloka Logistics LLC 4.3 TCR
NAT-SIZE Amazon.com Services LLC - LIT1 2,510 FTE
NAT-SIZE California Department of Transportation Facility 58 2,508 FTE
NAT-SIZE Detroit Tower 2,513 FTE
NAT-SIZE 3 and 5 Greenway Plaza 2,513 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, 2017. This is publicly available government data - not a legal determination of workplace conditions.
Data sourced from official public datasets. See our methodology for details.