Serenity Spring Senior Living at Green Bay
1555 Dousman St., Green Bay, WI 54303 · Brown County · (920) 494-4525
64 certified beds, about 50 residents a day · For profit - Corporation · Medicare and Medicaid since 1992
CMS high performing icon Certified for Medicaid Certified for Medicare
Overall
5 of 5
Health inspections
4 of 5
Staffing
5 of 5
Quality measures
4 of 5
CMS Care Compare ratings, data as of September 1, 2026 · CCN 525486 · See it on Medicare.gov · Compare with other homes
The record in brief
At its most recent standard inspection, on January 7, 2026, inspectors cited 4 health deficiencies (the Wisconsin average is 9.5, the national average 9.2).
None of its 9 health citations since August 2023 was rated as actual harm or immediate jeopardy.
CMS lists no fines against this home in the last three years.
Nurses and nurse aides worked 4.58 hours per resident per day, against 4.21 across Wisconsin and 3.86 nationally. Registered nurses accounted for 0.76 of those hours.
43.2% of nursing staff left within the year CMS measured (Wisconsin average 46.9%).
Health inspections
Federal rules call for a standard inspection at least every 15 months, plus a visit whenever a complaint is filed. Each mark below is one citation, colored by how serious inspectors rated it. How to read a citation.
Under each citation, the quoted text is the inspector's own summary from the federal statement of deficiencies (CMS form 2567), word for word apart from a privacy scrub; CMS removes residents' and staff names before it publishes the text. The full notes are on Medicare.gov.
108/23
309/24
111/24
401/26
Potential for minimal harm Potential for more than minimal harm Actual harm Immediate jeopardy Found on a complaint visit
Where its citations fall on CMS's grid
CMS rates every citation by how much harm it caused (rows) and how many residents it touched (columns). The count in each box is this home's, across all 9 health citations on file.
Severity
Isolated
Pattern
Widespread
Immediate jeopardy
0J
0K
0L
Actual harm
0G
0H
0I
Potential for more than minimal harm
5D
2E
2F
Potential for minimal harm
0A
0B
0C
January 7, 2026Standard inspection · 4 citations
- F Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
Inspectors wroteBased on observation, staff interview, and record review, the facility did not ensure food was stored and prepared in a safe and sanitary manner. This practice had the potential to affect all 48 residents residing in the facility. The reach-in coolers and freezers contained expired and/or undated items. During an observation of food service, [NAME] (CK)-K touched serving dishes, trays, plates, and utensils with gloved hands. CK-K then left the steam table and opened a package of cups. CK-K then returned to the steam table and picked up a food item with the same gloved hands.
- E Provide and implement an infection prevention and control program.
Inspectors wroteBased on observation, staff interview, and record review, the facility did not establish and maintain an infection prevention and control program designed to prevent the development and transmission of communicable disease and infection. This practice had the potential to affect more than 4 of the 48 residents residing in the facility. The facility did not have an accurate flow diagram of the facility's water system that identified areas where Legionella could grow. In addition, the facility did not maintain drinking fountains on two units or post signs that residents and visitors should not use the fountains. Staff did not appropriately remove personal protective equipment (PPE) and cleanse hands during the provision of care for R4.
- D Reasonably accommodate the needs and preferences of each resident.
Inspectors wroteBased on observation, staff interview, and record review, the facility did not ensure a call light was within reach for 1 resident (R) (R22) of 14 sampled residents. R22 did not have a call light within reach during observations on 1/5/26 and 1/6/26.
- D PASARR screening for Mental disorders or Intellectual Disabilities
Inspectors wroteBased on staff interview and record review, the facility did not ensure 1 resident (R) (R8) of 5 sampled residents suspected of having a mental illness was screened through the Pre-admission Screen and Resident Review (PASRR) Level II process to determine if nursing home placement was appropriate and if specialized services were required. R8's PASRR Level I Screen did not indicate R8 was admitted to the facility with a mental illness and took antidepressant medication. Therefore, a PASRR Level II Screen was not completed to determine if nursing home placement was appropriate and if R8 required specialized services.
November 27, 2024Complaint inspection · 1 citation
- D Timely report suspected abuse, neglect, or theft and report the results of the investigation to proper authorities.
Inspectors wroteBased on staff and resident interview and record review, the facility did not report allegations of abuse to the State Agency (SA) for 2 residents (R) (R1 and R4) of 4 sampled residents. On 11/11/24, R1 reported an allegation of potential sexual abuse that occurred on 11/10/24. The facility did not report the allegation to the SA in a timely manner. On 9/20/24, R4's family reported that a staff pushed R4 down and told R4 to stop it when R4 attempted to stand. The facility did not report the allegation of abuse to the SA.
September 5, 2024Standard inspection · 3 citations
- E Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
Inspectors wroteBased on observation, staff interview, and record review, the facility did not ensure food was stored and prepared in a sanitary manner. This practice had the potential to affect more than 4 of the 50 residents residing in the facility. Food items for resident consumption were not labeled with open or expiration dates and/or were beyond the labeled discard date in 3 of 3 unit refrigerators. Staff did not follow safe food cooling protocol.
- D Provide timely notification to the resident, and if applicable to the resident representative and ombudsman, before transfer or discharge, including appeal rights.
Inspectors wroteBased on staff interview and record review, the facility did not ensure 2 residents (R) (R9 and R16) of 2 sampled residents reviewed for hospitalization received the proper notice of transfer, reason for transfer, location of transfer, appeal rights, and contact information for the State Long-Term Care Ombudsman. R9 was transferred to the emergency room (ER) on 8/31/24 and was not provided a written transfer notice. R16 was transferred to the hospital on 8/7/24 and was not provided a written transfer notice.
- D Notify the resident or the resident’s representative in writing how long the nursing home will hold the resident’s bed in cases of transfer to a hospital or therapeutic leave.
Inspectors wroteBased on staff interview and record review, the facility did not ensure 1 resident (R) (R9) of 2 sampled residents reviewed for hospitalization received the required written information of the duration of the bed-hold, the reserve bed-hold payment rate, and the right of the resident to return to the facility. R9 was transferred to the emergency room (ER) on 8/31/24 and was not provided a bed-hold notice.
August 23, 2023Standard inspection · 1 citation
- F Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
Inspectors wroteBased on staff interview and record review, the facility did not ensure food was stored and prepared in a safe and sanitary manner. This practice had the potential to affect 45 of 46 residents (one resident was fed via tube) residing in the facility. Cooling logs were not completed for leftover foods. Refrigerator temperature logs were not completed for 1 of 2 unit refrigerators and not consistently completed for the coolers and freezers in the kitchen.
Fire safety inspections
13 fire safety citations on file: 2 on January 7, 2026, 9 on September 5, 2024, 2 on August 23, 2023.
Every fire safety citation13 citations
- E Keep aisles, corridors, and exits free of obstruction in case of emergency.
- D Have power receptacles that are properly grounded.
- F Use approved construction type or materials.
- F Have approved installation, maintenance and testing program for fire alarm systems.
- F Inspect, test, and maintain automatic sprinkler systems.
- E To conduct inspection, testing and maintenance of fire doors by qualified individuals.
- D Ensure smoke barriers are constructed to a 1 hour fire resistance rating.
- D Have properly installed electrical wiring and gas equipment.
- D Ensure heating and ventilation systems that have been properly installed according to the manufacturer's instructions.
- D Ensure receptacles at patient bed locations and where general anesthesia is administered, are tested after initial installation, replacement or servicing.
- D Have proper medical gas storage and administration areas.
- D Inspect, test, and maintain automatic sprinkler systems.
- C Have generator or other power source capable of supplying service within 10 seconds.
Fines and payment denials
CMS lists no fines or payment denials against this home in the last three years. The national average is 0.9 fines per home.
Staffing
Hours of care per resident per day, from the payroll records every home sends CMS. Higher means more staff time with each resident.
| Measure | This home | Wisconsin | United States |
|---|---|---|---|
| All nursing staff (RN, LPN and aides) | 4.58 | 4.21 | 3.86 |
| Registered nurses | 0.76 | 0.99 | 0.69 |
| All nursing staff on weekends | 4.07 | 3.77 | 3.42 |
| Nurse aides | 3.01 | ||
| Licensed practical nurses | 0.81 | ||
| Nursing staff turnover (share who left in a year) | 43.2% | 46.9% | 45.8% |
| Registered nurse turnover | 0.0% | 39.7% | 42.9% |
| Administrators who left | 0 |
CMS expects 3.50 hours a day for residents as sick as this home's (its case-mix figure). The staffing star compares the two.
Staffing by quarter, from daily payroll records
Every nursing home sends CMS its staff hours for each day (the Payroll Based Journal). Here they are added up by quarter. The latest quarter is the one behind the figures above. In January to March 2026, nursing staff hours per resident were 4.78 on weekdays and 4.07 on weekends, 15% lower on weekends (nationally, weekends ran 15% lower). Contract or agency staff worked 8.1% of nursing hours, against 5.3% nationally. Total nursing hours per resident went from 4.43 in April to June 2025 to 4.58 in January to March 2026.
| Quarter | All nursing staff | Registered nurses | Weekdays | Weekends | Contract staff share | Days with no RN hours | Residents a day |
|---|---|---|---|---|---|---|---|
| Jan to Mar 2026 | 4.58 | 0.76 | 4.78 | 4.07 | 8.1% | 0 of 90 | 50 |
| Oct to Dec 2025 | 4.39 | 0.72 | 4.61 | 3.84 | 7.6% | 0 of 92 | 50 |
| Jul to Sep 2025 | 4.27 | 0.70 | 4.51 | 3.66 | 5.8% | 0 of 92 | 51 |
| Apr to Jun 2025 | 4.43 | 0.61 | 4.71 | 3.75 | 5.1% | 0 of 91 | 51 |
| United States, Jan to Mar 2026 | 3.75 | 0.62 | 3.92 | 3.33 | 5.3% | 0.5% of days | |
| Wisconsin, Jan to Mar 2026 | 4.19 | 0.95 | 4.36 | 3.74 | 8.8% | 0.3% of days |
Hours per resident per day: staff hours in the quarter divided by resident days (the daily census CMS derives from resident assessments). Registered nurses include the director of nursing and RNs with administrative duties; aides include nurse aides in training and medication aides, as in CMS's own staffing measure. How these are calculated.
Quality measures
The measures CMS uses for the quality star. Lower is better for every one of them.
| Measure | This home | Wisconsin | US |
|---|---|---|---|
| Percentage of long-stay residents whose need for help with daily activities has increased Long Stay residents, 2025Q2-2026Q1 | 11.1 | 16.1 | 13.9 |
| Percentage of long-stay residents with a catheter inserted and left in their bladder Long Stay residents, 2025Q2-2026Q1 | 1.0 | 2.1 | 0.8 |
| Percentage of long-stay residents with a urinary tract infection Long Stay residents, 2025Q2-2026Q1 | 1.8 | 2.6 | 1.6 |
| Percentage of long-stay residents experiencing one or more falls with major injury Long Stay residents, 2025Q2-2026Q1 | 8.9 | 3.3 | 3.2 |
| Percentage of short-stay residents who newly received an antipsychotic medication Short Stay residents, 2025Q2-2026Q1 | 1.3 | 1.2 | 1.6 |
| Percentage of long-stay residents whose ability to walk independently worsened Long Stay residents, 2025Q2-2026Q1 | 8.7 | 18.4 | 14.1 |
| Percentage of long-stay residents with pressure ulcers Long Stay residents, 2025Q2-2026Q1 | 5.4 | 5.0 | 4.6 |
| Percentage of long-stay residents who received an antipsychotic medication Long Stay residents, 2025Q2-2026Q1 | 7.6 | 15.8 | 15.4 |
Owners and operators
Legal business name: ZUNKER HEALTH CARE INC.
| Name | Role | Type | Share | Since |
|---|---|---|---|---|
| Cobb, Brittany | 5% or greater direct ownership interest | Individual | 49% | 01/01/2018 |
| Zunker, Adam | 5% or greater direct ownership interest | Individual | 49% | 01/01/2018 |
| Zunker, Donald | Direct ownership interest | Individual | 01/01/2018 | |
| Zunker, Donna | Direct ownership interest | Individual | 01/01/2018 | |
| Cobb, Brittany | Managing control - governing body | Individual | 02/28/2018 | |
| Cobb, Brittany | Corporate officer | Individual | 08/11/2011 | |
| Zunker, Donald | Corporate officer | Individual | 01/01/1994 | |
| Carpenter, Brenda | Operational/managerial control | Individual | 11/06/2021 | |
| Cobb, Brittany | Operational/managerial control | Individual | 11/08/2011 | |
| Schinschke, Scott | Operational/managerial control | Individual | 01/01/2020 | |
| Zunker, Donald | Operational/managerial control | Individual | 01/01/1994 | |
| Zunker, Donna | Operational/managerial control | Individual | 01/01/1994 | |
| Carpenter, Brenda | Adp of the SNF | Individual | 11/06/2021 | |
| Cobb, Brittany | Adp of the SNF | Individual | 11/08/2011 | |
| Schinschke, Scott | Adp of the SNF | Individual | 01/01/2020 | |
| Zunker, Donald | Adp of the SNF | Individual | 01/01/1999 | |
| Zunker, Donna | Adp of the SNF | Individual | 01/01/1999 |
As listed in the CMS ownership file, which names owners with a 5% or greater stake and the people and companies with operational or managerial control.
Questions to ask on a visit
Chosen from this home's own inspection record.
- Can we see a week of menus and the kitchen, and how are special diets handled?Inspectors cited 3 problems in this area, most recently on January 7, 2026: "Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards."
- How do residents and families raise a complaint or grievance, and how fast is it answered?Inspectors cited 3 problems in this area, most recently on January 7, 2026: "Reasonably accommodate the needs and preferences of each resident."
- What changed in infection control since the last inspection, and who on staff is the infection preventionist?Inspectors cited 1 problem in this area, most recently on January 7, 2026: "Provide and implement an infection prevention and control program."
- When is the care plan meeting, and can family attend it?Inspectors cited 1 problem in this area, most recently on January 7, 2026: "PASARR screening for Mental disorders or Intellectual Disabilities"
Other nursing homes nearby
- Green Bay Health Services Green Bay, 0.4 mi · 2 of 5 stars · 29 citations
- Odd Fellow Home Green Bay, 3.1 mi · 2 of 5 stars · 43 citations
- Woodside Lutheran Home Green Bay, 3.4 mi · 5 of 5 stars · 2 citations
- Edenbrook of Green Bay Green Bay, 5.9 mi · 3 of 5 stars · 33 citations
- Rennes Health and Rehab Center-De Pere De Pere, 5.9 mi · 5 of 5 stars · 12 citations
- Anna John Resident Centered Care Community Oneida, 6.1 mi · 5 of 5 stars · 9 citations
- Brown Cty Comm Treatment Ctr-Bayshore Village Green Bay, 6.6 mi · 5 of 5 stars · 9 citations
- Good Shepherd Services Ltd Seymour, 13.3 mi · 4 of 5 stars · 14 citations
Wisconsin contacts for a concern about a nursing home
These are the official offices in Wisconsin. NursingHomeClear cannot take or act on complaints.
- Inspections and complaints: Wisconsin Department of Health Services, Division of Quality Assurance, Nursing Homes, the state agency that inspects nursing homes for CMS and takes complaints about care.
- Resident advocate: Wisconsin Board on Aging and Long Term Care, Ombudsman Program, 1-800-815-0015. The long-term care ombudsman is a free, confidential advocate for residents and families, set up under the federal Older Americans Act.
- State inspection reports: Wisconsin DHS Provider Search (Survey History), where Wisconsin publishes its own records on licensed homes.
Common questions
- What is Serenity Spring Senior Living at Green Bay's Medicare star rating?
- CMS rates Serenity Spring Senior Living at Green Bay 5 out of 5 stars overall, with 4 for health inspections, 5 for staffing and 4 for quality measures (CMS data as of September 1, 2026).
- How many deficiencies did Serenity Spring Senior Living at Green Bay get at its last inspection?
- 4 health deficiencies at the standard inspection on January 7, 2026. The Wisconsin average is 9.5.
- Has Serenity Spring Senior Living at Green Bay been fined?
- CMS lists no fines in the last three years.
- Does Serenity Spring Senior Living at Green Bay accept Medicaid?
- It is certified to take Medicaid (CMS lists it as "Medicare and Medicaid"). Certification does not mean a Medicaid bed is open: ask the admissions office.
- Who owns Serenity Spring Senior Living at Green Bay?
- CMS lists 17 owners and managers. Legal business name: ZUNKER HEALTH CARE INC.
Sources
- Ratings, staffing and fines: CMS Provider Information, released September 30, 2026, data as of September 1, 2026.
- Citations: CMS Health Deficiencies and Fire Safety Deficiencies.
- Owners: CMS Ownership. Penalties: CMS Penalties.
- Staffing by quarter: CMS Payroll Based Journal Daily Nurse Staffing, April 2025 to March 2026, summed by NursingHomeClear.
- Inspector summaries: CMS Full Statement of Deficiencies (CMS-2567 text), data as of September 1, 2026. Each quote is the part of the statement before the detailed findings.
- Inspection reports with the inspectors' full notes are on this home's Medicare.gov page.
- Something wrong on this page? Ask for a correction. We fix errors in our copy of the data; findings themselves can only be changed by CMS and the state.
- NursingHomeClear is independent and not affiliated with CMS, Medicare or any state agency. This page reports federal records; it does not rate, recommend or endorse any home, and it is not medical or legal advice.