What is the emergency room wait time at Saint Joseph Mercy Hlth Syst?

Patients spend a median of 241 minutes (4 hours 1 minutes) in the emergency department at Saint Joseph Mercy Hlth Syst, according to CMS. This is a median over a past 12-month reporting period, not a live figure.

Does Saint Joseph Mercy Hlth Syst have an emergency room?

Saint Joseph Mercy Hlth Syst provides emergency services.

What is the CMS star rating for Saint Joseph Mercy Hlth Syst?

Saint Joseph Mercy Hlth Syst has an overall rating of 4 out of 5 stars from the Centers for Medicare and Medicaid Services.

Where is Saint Joseph Mercy Hlth Syst located?

Saint Joseph Mercy Hlth Syst is at 5403 E Huron River Dr, Ypsilanti, MI 48197.

What is the phone number for Saint Joseph Mercy Hlth Syst?

The phone number for Saint Joseph Mercy Hlth Syst is (734) 712-3456.

Saint Joseph Mercy Hlth Syst

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(734) 712-3456 Visit Website 472Beds

Time ZoneEST
CountyWashtenaw
Emergency CapableYes
FIPS26161
Area Code734

Quality and performance

Centers for Medicare & Medicaid Services · data as of July 2026

Patients spend an average of 4 hours 1 minute in the emergency department at Saint Joseph Mercy Hlth Syst. That is 1 hour 18 minutes longer than the Michigan average of 2 hours 43 minutes.

CMS rating ★★★★★ 4/5

Left before seen 2%

ER volume very high

Type Acute Care

Ownership Non-profit

Maternity Birthing-friendly

Source: CMS Hospital General Information and Timely & Effective Care. Wait times are a median over a past 12-month reporting period, not live data. Not affiliated with CMS or with Saint Joseph Mercy Hlth Syst. For a medical emergency, call 911.

Compare ER waits across Michigan · How we source this data · Something wrong on this page? Tell us

Closest other hospitals

<0.1 mi St Joseph Mercy Hospital Ann Arbor, MI 4 hr 1 min ER wait 3.3 mi VA Ann Arbor Healthcare System Ann Arbor, MI 3.4 mi Forest Health Medical Center Ypsilanti, MI No ER 4.2 mi University of Michigan Health System Ann Arbor, MI 5 hr 45 min ER wait 4.4 mi Univ of Michigan Hospitals Ann Arbor, MI 5 hr 45 min ER wait

All 2 hospitals in Ypsilanti →

Saint Joseph Mercy Hlth Syst Address 5403 E Huron River Dr
Ypsilanti, MI 48197

The information listed on this page will help you determine if Saint Joseph Mercy Hlth Syst is the nearest hospital to your location. Address, phone number, emergency department status, bed count and CMS quality measures for Saint Joseph Mercy Hlth Syst are listed above.