Short-term acute care hospital · Leonardtown, Maryland · 94 beds · CMS certification number 210028
Medstar St. Mary's Hospital
Its Medicare cost reports, read cell by cell. Latest filing: fiscal year ended June 30, 2025, as submitted, stamped by CMS September 18, 2026. 29 years on file, every one shown below. Also on the 340B covered-entity register.
Fiscal 2025 at a glance
What stands out
- Net patient revenue rose from $38.9M in its first year on file (1997) to $233.2M in 2025.
- Its result from patient care: −$3.0M (2023), −$1.5M (2024), $27.3M (2025).
- 1 of the 5 short-term acute care hospital peers below with a margin on file also reports a gain on patient care for fiscal year 2025.
- Medicaid paid for 6.3% of its inpatient days and Medicare for 42.3%.
- MEDSTAR HEALTH, INC. holds 100% of it, on its Medicare enrollment.
Every statement is drawn from figures on this page; nothing is estimated.
29 years of filings
Net patient revenue against operating expenses, each year as filed.
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as submitted
Beside its peers
Hospitals of the same type (short-term acute care hospital), nearest in size, from Maryland first; each on fiscal year 2025.
| Hospital | Beds | Net patient revenue | Operating expenses | Margin |
|---|---|---|---|---|
| Medstar St. Mary's Hospital | 94 | $233,171,980 | $205,827,878 | 11.7% |
| Tidalhealth Atlantic, Berlin | 62 | $156,529,305 | $176,967,233 | −13.1% |
| Calverthealth Medical Center, Prince Frederick | 79 | $167,272,902 | $167,659,012 | −0.2% |
| Civista Medical Center, La Plata | 93 | $184,078,181 | $168,530,107 | 8.5% |
| Holy Cross Germantown Hospital, Germantown | 104 | $154,582,539 | $160,369,299 | −3.7% |
| Medstar Montgomery Medical Center, Olney | 100 | $204,372,013 | $215,628,159 | −5.5% |
Patients and payers
- Discharges
- 5,389S-3 line 14, col 15
- Inpatient days
- 23,087S-3 line 14, col 8
- Beds in use, on an average day
- 63.4days ÷ days in year
- Occupancy
- 67.3%days ÷ bed days
- Medicare share of days
- 42.3%S-3 cols 6 ÷ 8
- Medicaid share of days
- 6.3%S-3 cols 7 ÷ 8
Who owns it
- MEDSTAR HEALTH, INC.100%
- ST MARYS HOSPITAL OF ST MARYS COUNTY INC100%
Related organizations on its own cost report: MEDSTAR HEALTH (100%), health systems; MEDSTAR HEALTH (100%), health systems; MEDSTAR HEALTH (100%), health systems; MEDSTAR HEALTH (100%), health systems.
Other hospitals with the same owner: Medstar Georgetown University Hospital (DC), Washington Hospital Center (DC), Medstar Health Physical Therapy (DC), Medstar Franklin Square Medical Center (MD), Medstar Montgomery Medical Center (MD), Medstar Union Memorial Hospital (MD), Medstar Harbor Hospital (MD), Medstar Good Samaritan Hospital (MD), Medstar Southern Maryland Hospital Center (MD).
Type of control on its cost report: voluntary nonprofit, other.
Owners of 5% or more, from CMS’s hospital ownership file (Medicare enrollment, October 1, 2026).
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Figures: CMS Healthcare Cost Report Information System, file HOSP10FY2024.ZIP, form CMS-2552-10, filed under CMS certification number 210028. Patients and payers: worksheet S-3 Part I of the same filing. Ownership: CMS Hospital All Owners and Hospital Enrollments.
How this page was built: the CMS Medicare cost report, file HOSP10FY2024.ZIP, read September 18, 2026.