Oconomowoc Memorial Hospital
791 E Summit Ave, Oconomowoc, WI 53066 · (262) 569-9400
Oconomowoc Memorial Hospital is a non-profit general hospital in Oconomowoc, Wisconsin (Waukesha County), with 63 beds. It has an emergency room and holds 5 of 5 stars in CMS's overall quality rating. In CMS's patient survey it scores 4 of 5 stars, and 76% of patients said they would definitely recommend it. Medicare patients had 364 stays here in 2024, most often for sepsis, heart failure and hip or knee replacement. It lists $4.42 for every $1 its care costs, close to the typical Wisconsin hospital ($4.11).
On this page:QualityThe moneyHospital staysNearby hospitals
Quality and patient experience
What patients say
★★★★★4 of 5 · 509 surveys
Rated by patients
- Nurses communicated well★★★★★
- Doctors communicated well★★★★★
- Staff explained medicines★★★★★
- Information for going home★★★★★
- Room was clean★★★★★
- Quiet at night★★★★★
Emergency room and urgent care
ER volume: low.
US typical hospital. Infection figures are a ratio: 1.00 means as many infections as expected for a hospital like this one. CMS adjusts these rates for how sick the patients are; a small gap from the typical hospital can be chance, so a verdict is shown only where CMS gives one.
Source: CMS Care Compare, measurement periods ending up to September 2025.
The money
From the hospital's Medicare cost report for the year ending September 2024. Non-profit hospitals must have a financial assistance (charity care) policy; ask for it if a bill is hard to pay.
Hospital stays
Medicare figures are 2024 averages for this hospital; the bars show how much of the bill was actually paid.
Billed (list price)Actually paid (Medicare + patient)
| Stay | Medicare stays | Billed | Paid | |
|---|---|---|---|---|
| Sepsis, with major complications 871 | 63 | $48,761 | $12,269 | |
| Heart failure, with major complications 291 | 56 | $39,913 | $9,061 | |
| Hip or knee replacement 470 | 29 | $73,271 | $12,643 | |
| Pneumonia, with complications 194 | 24 | $24,786 | $5,468 | |
| Stomach and digestive disorders 392 | 20 | $27,955 | $5,294 | |
| Urinary tract infection 690 | 19 | $23,239 | $5,095 | |
| Lung infection, with major complications 177 | 17 | $36,360 | $10,028 | |
| Revision of Hip or Knee Replacement Without Cc/Mcc 468 | 16 | $118,877 | $19,905 | |
| Hip or thigh bone surgery (not replacement), with complications 481 | 16 | $83,664 | $13,216 | |
| Sepsis 872 | 16 | $31,915 | $7,379 | |
| Major Joint or Limb Reattachment Procedures of Upper Extremities 483 | 15 | $93,639 | $18,836 | |
| Pneumonia, with major complications 193 | 14 | $32,498 | $8,910 | |
| Irregular heartbeat, with complications 309 | 14 | $22,457 | $5,010 | |
| Stomach or intestinal bleeding, with complications 378 | 12 | $33,476 | $6,637 | |
| Skin infection (cellulitis) 603 | 11 | $21,956 | $5,764 | |
| Kidney failure, with complications 683 | 11 | $32,955 | $6,010 | |
| Urinary tract infection, with major complications 689 | 11 | $30,044 | $7,942 |