ST. MARY’S NURSING CENTER INC – LEONARDTOWN, MD

CMS Verified | 2026-03-01

St. Mary’S Nursing Center Inc

21585 PEABODY STREET, Leonardtown, MD 20650
(301) 475-8000
160 beds
All Leonardtown facilities
5.0*
Overall
5.0*
Health Inspection
5.0*
Quality Care
4.0*
Staffing
83.32
Score /100
#2290
National Rank

#2290
of 14703 facilities
National
84.4% position
#42
of 221 in MD
State Rank
#1
of 3 in St. Marys
County Rank
#1
of 1 in Leonardtown
City Rank
#1
of 1 in ZIP 20650
ZIP Rank






About St. Mary’S Nursing Center IncSt. Mary’S Nursing Center Inc is located at 21585 Peabody Street, Leonardtown, MD, reachable at (301) 475-8000. This Non profit – Corporation facility operates 160.0 certified beds and serves an average of 116 residents per day. Medicare and Medicaid services have been provided since 1967-01-01. Notably, St. Mary’S Nursing Center Inc has maintained a perfect 5-star overall rating for all five years from 2022 to 2026, placing it among the top-performing facilities in MD.
Facility

St. Mary’S Nursing Center Inc

Address

21585 Peabody Street, Leonardtown, MD 20650

Care Offered
  • Long-Term Care
  • Rehab / Short-Term Care
Medicare & Medicaid
  • Accepts Medicare
  • Accepts Medicaid
Facility Details
  • 160 Certified Beds
  • Ownership: Non profit – Corporation
  • Resident Council: Resident
  • Automatic Sprinklers: Yes

Quick Verdict

Overall Quality
✅ Excellent (5★) overall rating
Health Inspection
✅ Excellent (5★) health inspection
Staffing
✅ Above Average (4★) staffing rating
Quality of Care
✅ Excellent (5★) quality of care
Compliance
⚠️ 2 fine(s) over 5 years
5-Year Trend
➡️ Stable over 5 years
83.32
Composite quality score out of 100 – how we calculate this
0 – Poor50 – Average100 – Best

#2290 of 14703 nationally – #42 of 221 in Maryland

Who Is This Facility Best For?

St. Mary’S Nursing Center Inc is a strong choice for families in the Leonardtown, MD area seeking a well-inspected, high-quality care environment. It scores well for both long-term residents and short-stay rehabilitation patients. Above-average staffing levels make it a good option for residents needing intensive nursing care.

Overall Rating 2022-2026

Total Nurse Hours/Day 2022-2026

Current Ratings (2026)

Overall Rating

5 / 5
Health Inspection

5 / 5
Staffing Rating

4 / 5
Quality Measures (QM)

5 / 5
Long-Stay QM Rating

5 / 5
Short-Stay QM Rating

5 / 5

5-Year Rating Trends

Overall Rating

Health Inspection Rating

Quality of Care (QM)

Staffing Rating

Average Residents per Day

Occupancy % (Residents / Beds)

Staffing InsightSt. Mary’S Nursing Center Inc currently provides 3 hours 42 minutes of total nurse staffing per resident per day, including 34 minutes of Registered Nurse (RN) coverage. The CMS Staffing Rating of 4 out of 5 reflects strong nurse coverage. Total nursing staff turnover stands at 42.6% — above the national average of ~35%.

Current Staffing Hours Per Resident Per Day (2026)

Total Nurse Staffing3 hours 42 minutes
Nurse Aide Hours2 hours 13 minutes
Licensed Practical Nurse (LPN) Hours55 minutes
Registered Nurse (RN) Hours34 minutes
Physical Therapist Hours3 minutes

National average total nurse staffing is approximately 3.5 hours per day

Weekend Staffing Hours Per Resident Per Day (2026)

Weekend Total Nurse Hours3 hours 11 minutes
Weekend Registered Nurse (RN) Hours18 minutes

Weekend staffing is typically lower than weekday levels. Ask the facility about their weekend nurse-to-resident ratios.

5-Year Staffing Trends

Total Nurse Hours/Day

Registered Nurse (RN) Hours/Day

Licensed Practical Nurse (LPN) Hours/Day

Nurse Aide Hours/Day

Total Staff Turnover %

Registered Nurse (RN) Turnover %

Compliance SummaryThe facility has received 2 fine(s) over the 5-year period, totaling $6,500. No substantiated complaints have been recorded in the available data.
Number of Fines (current period) 0
Total Fines Amount $0.0
Payment Denials 0
Total Penalties 0
Abuse Flag on Record N
Total Weighted Health Survey Score 32.0 (lower = better)

Substantiated Complaints / Year

Fines Issued ($) / Year

Composite Quality Rankings

#2,290
of 14,703
National
Top 16%
#42
of 221
MD State
Top 19% in MD
#1
of 3
️ St. Marys County
Best in county
#1
of 1
️ Leonardtown
Best in city
#1
of 1
ZIP 20650
Best in ZIP

Nationally, St. Mary’S Nursing Center Inc ranks 2290th out of 14,703 facilities (composite score: 83.3/100), placing it in the top 25% nationwide. Within MD, it ranks 42nd out of 221 nursing homes. For 2026 staffing: total nurse hours rank #7,205 nationally and RN hours rank #7,311 nationally (#168 in MD).

How do we calculate these rankings?

Total Nurse Staffing – Year-by-Year National and State Ranks

Year Hours/Day National Rank MD State Rank Note
2022 3.38 #8,862 / 14,703 #157 / 221 Below average
2023 3.35 #9,172 / 14,703 #144 / 221 Below average
2024 3.69 #6,496 / 14,703 #90 / 221 Above average
2025 3.67 #7,236 / 14,703 #98 / 221 Above average
2026 3.70 #7,205 / 14,703 #101 / 221 Above average

Registered Nurse (RN) Hours – Year-by-Year National and State Ranks

Year Hours/Day National Rank MD State Rank Note
2022 0.58 #7,121 / 14,703 #163 / 221 Above average
2023 0.42 #9,707 / 14,703 #200 / 221 Below average
2024 0.54 #7,340 / 14,703 #170 / 221 Above average
2025 0.45 #9,676 / 14,703 #189 / 221 Below average
2026 0.57 #7,311 / 14,703 #168 / 221 Above average

Total Nurse Rank – National (lower number = better)

Registered Nurse Rank – National (lower number = better)

Frequently Asked Questions

St. Mary’S Nursing Center Inc is certified as a Medicare and Medicaid facility and has been approved to provide these services since 1967-01-01. Medicare covers short-term skilled nursing care (typically up to 100 days after a qualifying hospital stay). Medicaid covers long-term care for residents who meet financial eligibility requirements. Contact the facility at (301) 475-8000 or your local Medicaid office to verify current eligibility.

St. Mary’S Nursing Center Inc holds an overall CMS (Centers for Medicare & Medicaid Services) rating of 5 out of 5 stars. This is made up of three components: Health Inspection (5★), Staffing (4★), and Quality of Resident Care (5★). Our independent composite quality score — which uses the raw underlying CMS numbers to break ties between similarly-rated facilities — is 83.3/100, placing it #2290 of 14703 facilities nationally and #42 of 221 in Maryland. Star ratings are a useful starting point, but the composite score and individual sub-ratings give a more complete picture for families comparing facilities.

Each resident at St. Mary’S Nursing Center Inc receives a reported average of 3 hours 42 minutes of total nurse staffing per day. This breaks down as: Registered Nurse (RN) coverage — 34 minutes; Licensed Practical Nurse (LPN) — 55 minutes; Nurse Aide — 2 hours 13 minutes. On weekends, total nurse staffing is 3 hours 11 minutes per resident per day. The CMS Staffing Rating for this facility is 4 out of 5. The national average for total nursing hours is approximately 3.5 hrs/day. Total nursing staff turnover is 42.6%. Families are encouraged to ask about current staffing schedules during their facility visit.

The facility has received 2 fine(s) over the 5-year period, totaling $6,500. No substantiated complaints have been recorded in the available data. In the most recent CMS reporting period, the facility received 0 fine(s) totaling $0, and 0 Medicare payment denial(s). Total penalties: 0. The Total Weighted Health Survey Score is 32.0 (lower scores are better). Full inspection history and complaint details are available at medicare.gov/care-compare.

Nationally, St. Mary’S Nursing Center Inc ranks 2290th out of 14,703 facilities (composite score: 83.3/100), placing it in the top 25% nationwide. Within MD, it ranks 42nd out of 221 nursing homes. For 2026 staffing: total nurse hours rank #7,205 nationally and RN hours rank #7,311 nationally (#168 in MD). Our composite quality score of 83.3/100 weighs health inspections, quality of resident care, staffing hours, compliance record, and five-year performance trends — giving a more complete picture than CMS star ratings alone, which can place hundreds of facilities in the same 5-star bucket. To browse and compare all nursing homes in Leonardtown, visit: https://nursinghomesnearme.org/maryland/leonardtown/

Contact and Location

ADR
Address

21585 PEABODY STREET, Leonardtown, MD 20650
Get directions on Google Maps

TEL
LLC
Legal Name

ST. MARY’S NURSING CENTER, INC.

MAP
Browse by Location

All Maryland ·
St. Marys County ·
Leonardtown ·
ZIP 20650

Facility Details

Number of Certified Beds 160
Average Residents / Day 116 (72% occupancy)
Ownership Type Non profit – Corporation
Provider Type Medicare and Medicaid
County St. Marys County, MD
City Leonardtown, MD
ZIP Code 20650
Approved Since January 1, 1967
Resident Council ✅ Yes
Automatic Sprinklers ✅ All required areas
Ownership Changed (12 mo.) No
CMS Certification Number 215013
Data Processing Date March 1, 2026
Data Disclaimer: All data on this page is sourced exclusively from the official CMS (Centers for Medicare and Medicaid Services) Nursing Home Compare dataset, covering reporting periods from 2022 through 2026. This includes facility ratings, staffing hours, inspection scores, fines, complaints, and geographic coordinates. NursingHomesNearMe.org does not independently verify, collect, or alter this data. Composite scores and rankings are calculated by NursingHomesNearMe.org – learn how rankings are calculated. Information may not reflect current facility conditions. Always contact the facility directly and verify at medicare.gov/care-compare before making care decisions.
Data: CMS Nursing Home Compare – Processing Date: 2026-03-01 –
Rankings across 14703 U.S. facilities –
Ranking Methodology
NursingHomesNearMe.org

Leave a Comment