Prairie Lakes Healthcare System, Inc in Watertown, SD
Also known as Prairie Lakes Hospital, Saint Ann Hospital
In a medical emergency, call 911. This page is for information only.
About Prairie Lakes Healthcare System, Inc
Prairie Lakes Healthcare System, Inc is an acute care hospital in Watertown, Codington County, South Dakota. It reports its ownership to Medicare as nonprofit (private). It provides emergency services. It is listed as a Community Trauma Hospital under its state trauma system. Its CMS Overall Hospital Quality Star Rating is 3 out of 5. It has 81 licensed beds, according to state license data via HIFLD. It meets the CMS Birthing-Friendly designation criteria for maternity care. The nearest other listed hospital is Sanford Clear Lake Medical Center, about 24 mi away.
Quality ratings
How this hospital compares with the national rate on each measure group:
Source: Centers for Medicare & Medicaid Services, Hospital General Information. How star ratings work.
Emergency room times
Lower times are better. Reporting period ending September 2025. Source: CMS Timely and Effective Care. What these numbers mean.
Infections and sepsis care
- Clostridioides difficile (C. diff) infectionsNo different · SIR 0.79
- Surgical site infections after colon surgeryNo different · SIR 0.00
78% of patients with severe sepsis or septic shock received all the recommended early care steps (SEP-1). Higher is better.
SIR is the standardized infection ratio: below 1 means fewer infections than predicted for a hospital like this one. Period ending September 2025. Source: CMS Healthcare-Associated Infections and Timely and Effective Care.
What patients say
- Patient survey star rating
- Would definitely recommend63%
- Rated the hospital 9 or 1069%
- Completed surveys302
Survey period ending September 2025. Source: CMS HCAHPS Patient Survey.
Map
44.91096, -97.11958
Nearby hospitals
Frequently asked questions
Where is Prairie Lakes Healthcare System, Inc located?
Prairie Lakes Healthcare System, Inc is at 401 9th Avenue NW Post Office Box 1210, Watertown, SD 57201 in Codington County.
Does Prairie Lakes Healthcare System, Inc have an emergency room?
Yes. Prairie Lakes Healthcare System, Inc reports emergency services to Medicare, and patients spent a median of 117 minutes in its emergency department before leaving. In a life-threatening emergency, call 911.
What is the CMS star rating of Prairie Lakes Healthcare System, Inc?
Prairie Lakes Healthcare System, Inc has a CMS Overall Hospital Quality Star Rating of 3 out of 5. The rating combines measures of mortality, safety of care, readmission, patient experience and timely and effective care, compared with hospitals nationwide.
Is Prairie Lakes Healthcare System, Inc a trauma center?
Yes. It is listed as a Community Trauma Hospital (state designation) in the HIFLD hospitals data, which is compiled from state trauma registries (source date April 2024). Trauma designations are renewed periodically, so confirm with the South Dakota EMS or trauma program. In an emergency, call 911: paramedics take seriously injured patients to the right trauma center.
What is the phone number of Prairie Lakes Healthcare System, Inc?
The main phone number on record with Medicare is (605) 882-7000.
Would patients recommend Prairie Lakes Healthcare System, Inc?
In the most recent HCAHPS patient survey (302 completed surveys), 63% of patients said they would definitely recommend the hospital, and 69% rated it 9 or 10 out of 10.
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