Mercy CEO salary and executive pay
Mercy paid its CEO, Stephen L Mackin, $8,335,401 for the fiscal year ending June 2025. That is up $2,754,447 (49.4%) from the fiscal year ending June 2024. Mercy ranks 29th of 148 hospital systems on this site by CEO pay. Mercy has 4 Form 990 returns on record, for fiscal years ending 2022 to 2025. Also known as Mercy (St. Louis) or MHM Support Services.
Last updated from IRS e-file data. EIN 20-2553101, Chesterfield, MO.
CEO, fiscal year ending June 2025
$8,335,401
- Total revenue
- $1,656,435,434
- CEO pay vs. peers
- Higher than 97%
Source: Form 990, fiscal year ending June 2025, IRS object ID 202621359349307532.View the filing
Peers: the 120 other hospital systems on this site. Ranked 4th of 121 by top pay as a share of revenue. Pay is 0.50% of revenue, our calculation from the same return. Revenue is Part I, line 12; peers are compared on their latest full-year returns.
Mercy's CEO is paid by MHM Support Services, a Mercy organization in Chesterfield, Missouri, so this page uses its return. Mercy's hospitals file their own returns. The system's largest single return is filed separately by Mercy Hospitals East Communities (EIN 43-0653493), so the revenue shown here is this return's own, not the whole system's.
Highest-paid people on the latest return
On the latest return, 25 people were paid more than $500,000, 19 of them more than $1 million.
| Name and title | Total |
|---|---|
| Stephen L Mackin CEO President, Mercy Health CEO | $8,335,401 |
| Shannon SockEVP, CSO & COO, President | $8,311,222 |
| Joseph KellyEVP, Chief Strategy & Technology Officer | $3,394,702 |
| James BrittonFormer Key Employee | $2,403,859 |
| Cheryl L MatejkaEVP, Chief Financial Officer | $2,345,497 |
CEO pay by year
Each row is the CEO on that year's return.
| Fiscal year ending | Name and title | Total | Revenue | Source |
|---|---|---|---|---|
| Jun 2025 | Stephen L Mackin CEO President, Mercy Health CEO | $8,335,401 | $1,656,435,434 | Filing |
| Jun 2024 | Stephen L Mackin CEO President, Mercy Health CEO | $5,580,954 | $1,540,453,031 | Filing |
| Jun 2023 | Stephen L Mackin CEO President, Mercy Health CEO (Beg 4/2022) | $3,650,338 | $1,376,481,170 | Filing |
| Jun 2022 | James Britton CEO President, Mercy Health CEO (THRU 4/22) | $4,863,989 | $1,227,902,351 | Filing |
How this pay was reported
The parts of each total, as reported on the return for the fiscal year ending June 2025.
Source: Form 990, fiscal year ending June 2025, IRS object ID 202621359349307532.View the filing
| Part VII | Schedule J | |||||||
|---|---|---|---|---|---|---|---|---|
| Name and title | From org | Other | Base | Bonus | Other | Deferred | Nontaxable | Total |
| Stephen L MackinPresident, Mercy Health CEO | $7,558,489 | $776,912 | $2,332,643 | $5,156,248 | $69,598 | $755,997 | $20,915 | $8,335,401 |
| Shannon Sock*EVP, CSO & COO, President | $8,048,004 | $263,218 | $1,359,056 | $6,297,766 | $391,182 | $241,703 | $21,515 | $8,311,222 |
| Joseph KellyEVP, Chief Strategy & Technology Officer | $3,235,410 | $159,292 | $747,820 | $2,426,150 | $61,440 | $137,777 | $21,515 | $3,394,702 |
| James Britton*Former Key Employee | $2,130,158 | $273,701 | $2,068,916 | $0 | $61,242 | $260,589 | $13,112 | $2,403,859 |
| Cheryl L MatejkaEVP, Chief Financial Officer | $2,182,852 | $162,645 | $815,737 | $1,306,619 | $60,496 | $148,628 | $14,017 | $2,345,497 |
These figures come from Mercy's Form 990 returns, as the IRS publishes them. The methodology page explains how they're chosen. To report an error, email corrections@ceopaycheck.com.
How Mercy compares
Ranked 29th of 148 hospital systems by CEO pay.
Closest in revenue among the hospital systems on this site:
BayCare Health System$3,027,169 (CEO), fiscal year ending Dec 2024
Rady Children's Health$2,563,540 (CEO), fiscal year ending Jun 2025
Lexington Medical Center$4,261,823 (CEO), fiscal year ending Sep 2025
Maimonides Medical Center$1,815,126 (CEO), fiscal year ending Dec 2024
Children's Hospital Los Angeles$1,888,151 (CEO), fiscal year ending Jun 2025
Common questions
Stephen L Mackin (President, Mercy Health CEO) was paid $8,335,401 for the fiscal year ending June 2025: $7,558,489 from Mercy and $776,912 in other compensation (Part VII columns D and F). Mercy ranks 29th of 148 hospital systems on this site by CEO pay.
The CEO, Stephen L Mackin, was the highest-paid person on the latest return, at $8,335,401. Next was Shannon Sock (EVP, CSO & COO, President), at $8,311,222. On the latest return, 25 people were paid more than $500,000, 19 of them more than $1 million.
Mercy's CEO is paid by MHM Support Services, a Mercy organization in Chesterfield, Missouri, so this page uses its return. Mercy's hospitals file their own returns.
Mercy paid its CEO, Stephen L Mackin, $8,335,401 for the fiscal year ending June 2025. That is up $2,754,447 (49.4%) from the fiscal year ending June 2024. The earliest return on record is for the fiscal year ending June 2022, when the CEO was James Britton, paid $4,863,989. By fiscal year end: June 2022, $4,863,989 (James Britton); June 2023, $3,650,338 (Stephen L Mackin); June 2024, $5,580,954; June 2025, $8,335,401.
From the 4 Form 990 returns Mercy filed with the IRS for fiscal years ending 2022 to 2025. Schedule J of the fiscal year ending June 2025 return breaks down pay for all 5 people in the pay breakdown above. The methodology page explains how they're chosen.