Middlesex County, New Jersey · Nursing home
Merwick Post Acute
3 of 5 overall from CMS
100 Plainsboro Road, Plainsboro, NJ 08536
At a glance
- Overall rating 3 of 5 Below the state average of 3.3
- Nurse time per resident, per day 3.05 hours Below the state average of 3.85
- Nursing staff who left in a year 29.7% Below the state average of 39.7%
- Health citations, last 3 inspection cycles 31 None at the harm level or above
- Fines in 3 years None None listed by CMS
- Certified beds in use 86.5% of 200 beds, on an average day
Arrows only show whether a figure is above or below the state average. They are not a judgment of the home.
Merwick Post Acute is a 200-bed nursing home in Plainsboro, New Jersey (Middlesex County). CMS rates it 3 of 5 stars overall as of Sep 2026. It reports 3.05 nurse staffing hours per resident per day, below the New Jersey average of 3.85. CMS lists no fines in the past three years.
- Certified beds
- 200
- Residents per day (average)
- 172.9
- Certified since
- 1967 (59 yrs)
For profit - Corporation Participates in Medicare and MedicaidPart of Marquis Health Services (90 homes)
Bed use is this site's calculation: average residents per day divided by certified beds. It is an average, so it does not show today's openings.
Terms used on this page
- CMS
- The Centers for Medicare & Medicaid Services, the federal agency that publishes the ratings, staffing figures, inspection results and penalties shown here.
- Certified beds
- The number of federally certified beds CMS lists for the home.
- Deficiency or citation
- A federal requirement that inspectors found the home did not meet. Each one gets a letter from A to L for how serious it was and how many residents were affected. What the letters mean
- Actual harm
- Letters G, H and I: actual harm to a resident that is not immediate jeopardy.
- Immediate jeopardy
- Letters J, K and L: the problem caused, or was likely to cause, serious injury, harm, impairment or death to a resident.
- Inspection cycle
- A standard inspection plus the complaint and infection-control citations CMS assigns to it. This page shows the three most recent cycles.
- Special Focus Facility (SFF)
- A home CMS has placed under closer oversight because of its inspection record. More about the program
Questions to ask Merwick Post Acute
Chosen from this home's public data.
- CMS counts 12 health deficiencies in the latest inspection cycle (the standard inspection on Apr 25, 2025 plus complaint and infection-control inspections); the New Jersey average is 8.6. Which have been corrected?Inspection results in CMS data
- What is the daily private-pay rate, and are Medicaid beds available now?CMS does not publish prices
- Can we visit at a mealtime and again on a weekend?General
More in what to ask on a nursing home tour.
CMS star ratings
- Overall 3 of 5 New Jersey average 3.3
- Health inspections 2 of 5 New Jersey average 2.8
- Staffing 3 of 5 New Jersey average 3.1
- Quality measures 5 of 5 New Jersey average 4.4
The vertical line marks the New Jersey average. Ratings run from 1 to 5. How to read CMS star ratings
Nurse staffing
Hours of care per resident per day, as the home reported to CMS.
What these roles do
Nurse aides give most hands-on daily care, such as help with bathing, dressing and meals. Licensed practical nurses give medications and routine nursing care. Registered nurses assess residents and direct their care.
- All nursing staff 3.05 h New Jersey average 3.85
- Nurse aides 1.70 h New Jersey average 2.23
- Licensed practical nurses 0.63 h New Jersey average 0.93
- Registered nurses 0.71 h New Jersey average 0.68
- All staff, weekends 2.80 h New Jersey average 3.50
How much nurse staffing is enough? All bars share one scale, 0 to 11 hours. The vertical line marks the New Jersey average; the national average for all nursing staff is 3.86 hours.
- Nursing staff turnover29.7%
- New Jersey average39.7%
- Registered nurse turnover37.0%
- New Jersey average37.7%
Quality measures
CMS calculates these from residents' assessments and Medicare claims. They are shown as published, next to the New Jersey and national averages. marks the measures CMS uses in its quality star rating; for those, the rating gives more points for a lower rate.
Long-stay residents
| Measure | This home | New Jersey | U.S. |
|---|---|---|---|
| ★ Percentage of long-stay residents whose need for help with daily activities has increased | 11.4% | 8.7% | 13.9% |
| Percentage of long-stay residents who lose too much weight | 5.0% | 4.6% | 5.2% |
| ★ Percentage of long-stay residents with a catheter inserted and left in their bladder | 0.1% | 0.6% | 0.8% |
| ★ Percentage of long-stay residents with a urinary tract infection | 0.0% | 0.8% | 1.6% |
| Percentage of long-stay residents who have depressive symptoms | 11.1% | 12.1% | 12.8% |
| Percentage of long-stay residents who were physically restrained | 0.0% | 0.1% | 0.1% |
| ★ Percentage of long-stay residents experiencing one or more falls with major injury | 1.9% | 2.3% | 3.2% |
| Percentage of long-stay residents assessed and appropriately given the pneumococcal vaccine | 90.1% | 93.0% | 93.6% |
| ★ Percentage of long-stay residents whose ability to walk independently worsened | 9.2% | 8.2% | 14.1% |
| Percentage of long-stay residents who received an antianxiety or hypnotic medication | 7.7% | 18.8% | 19.5% |
| Percentage of long-stay residents assessed and appropriately given the seasonal influenza vaccine | 99.2% | 97.2% | 95.5% |
| ★ Percentage of long-stay residents with pressure ulcers | 7.5% | 5.4% | 4.6% |
| Percentage of long-stay residents with new or worsened bowel or bladder incontinence | 32.5% | 15.6% | 19.0% |
| ★ Percentage of long-stay residents who received an antipsychotic medication | 24.2% | 12.7% | 15.4% |
| ★ Number of hospitalizations per 1000 long-stay resident days | 0.72 | 2.07 | 1.90 |
| ★ Number of outpatient emergency department visits per 1000 long-stay resident days | 0.82 | 1.11 | 1.78 |
Short-stay residents
| Measure | This home | New Jersey | U.S. |
|---|---|---|---|
| Percentage of short-stay residents assessed and appropriately given the pneumococcal vaccine | 45.5% | 79.0% | 82.0% |
| ★ Percentage of short-stay residents who newly received an antipsychotic medication | 1.8% | 1.2% | 1.6% |
| Percentage of short-stay residents who were assessed and appropriately given the seasonal influenza vaccine | 89.9% | 80.1% | 79.8% |
| ★ Percentage of short-stay residents who were rehospitalized after a nursing home admission | 25.8% | 24.9% | 23.8% |
| ★ Percentage of short-stay residents who had an outpatient emergency department visit | 5.0% | 8.1% | 12.0% |
Measure periods: April 2025 to March 2026 for most measures; July 2024 to June 2025 for the flu vaccine measures; January to December 2025 for the hospital and emergency department measures, which CMS risk-adjusts. See the measures on Medicare.gov
Inspection history
Inspectors cited 31 health deficiencies in the three most recent inspection cycles. None was graded as actual harm or immediate jeopardy. 7 were cited in connection with a complaint investigation.
| Standard inspection | Health | Fire safety |
|---|---|---|
| Apr 25, 2025 | 12 | 6 |
| Nov 22, 2023 | 8 | 8 |
| Dec 15, 2021 | 11 | 1 |
New Jersey homes averaged 8.6 health deficiencies in the latest cycle; the national average is 9.2. Each cycle's health count covers the standard inspection on that date plus the complaint and infection-control citations CMS assigns to that cycle.
Health citations, three most recent inspection cycles (31)
-
DPotential for more than minimal harm, isolated
Provide appropriate treatment and care according to orders, resident’s preferences and goals.
Complaint investigation · Quality of Life and Care · Deficient, Provider has date of correction (Jun 19, 2026)
-
DPotential for more than minimal harm, isolated
Ensure that a nursing home area is free from accident hazards and provides adequate supervision to prevent accidents.
Complaint investigation · Quality of Life and Care · Deficient, Provider has date of correction (Jun 19, 2026)
-
DPotential for more than minimal harm, isolated
Safeguard resident-identifiable information and/or maintain medical records on each resident that are in accordance with accepted professional standards.
Complaint investigation · Resident Assessment and Care Planning · Deficient, Provider has date of correction (Jun 19, 2026)
-
EPotential for more than minimal harm, pattern
Develop and implement a complete care plan that meets all the resident's needs, with timetables and actions that can be measured.
Complaint investigation · Resident Assessment and Care Planning · Deficient, Provider has date of correction (Jan 6, 2026)
-
FPotential for more than minimal harm, widespread
Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
Nutrition and Dietary · Deficient, Provider has date of correction (May 23, 2025)
Show 25 more
-
EPotential for more than minimal harm, pattern
Provide and implement an infection prevention and control program.
Infection Control · Deficient, Provider has date of correction (May 23, 2025)
-
DPotential for more than minimal harm, isolated
Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.
Resident Rights · Deficient, Provider has date of correction (May 23, 2025)
-
DPotential for more than minimal harm, isolated
Honor the resident's right to a safe, clean, comfortable and homelike environment, including but not limited to receiving treatment and supports for daily living safely.
Resident Rights · Deficient, Provider has date of correction (May 23, 2025)
-
DPotential for more than minimal harm, isolated
Encode each resident’s assessment data and transmit these data to the State within 7 days of assessment.
Resident Assessment and Care Planning · Deficient, Provider has date of correction (May 23, 2025)
-
DPotential for more than minimal harm, isolated
Ensure services provided by the nursing facility meet professional standards of quality.
Resident Assessment and Care Planning · Deficient, Provider has date of correction (May 23, 2025)
-
DPotential for more than minimal harm, isolated
Provide safe and appropriate respiratory care for a resident when needed.
Quality of Life and Care · Deficient, Provider has date of correction (May 23, 2025)
-
DPotential for more than minimal harm, isolated
Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist.
Pharmacy Service · Deficient, Provider has date of correction (May 23, 2025)
-
EPotential for more than minimal harm, pattern
Ensure services provided by the nursing facility meet professional standards of quality.
Complaint investigation · Resident Assessment and Care Planning · Deficient, Provider has date of correction (Dec 31, 2023)
-
EPotential for more than minimal harm, pattern
Provide care and assistance to perform activities of daily living for any resident who is unable.
Quality of Life and Care · Deficient, Provider has date of correction (Dec 31, 2023)
-
EPotential for more than minimal harm, pattern
Provide enough nursing staff every day to meet the needs of every resident; and have a licensed nurse in charge on each shift.
Complaint investigation · Nursing and Physician Services · Deficient, Provider has date of correction (Dec 31, 2023)
-
EPotential for more than minimal harm, pattern
Provide and implement an infection prevention and control program.
Infection Control · Deficient, Provider has date of correction (Dec 31, 2023)
-
DPotential for more than minimal harm, isolated
Timely report suspected abuse, neglect, or theft and report the results of the investigation to proper authorities.
Complaint investigation · Freedom from Abuse, Neglect, and Exploitation · Deficient, Provider has date of correction (Dec 15, 2023)
-
DPotential for more than minimal harm, isolated
Develop and implement a complete care plan that meets all the resident's needs, with timetables and actions that can be measured.
Resident Assessment and Care Planning · Deficient, Provider has date of correction (Dec 31, 2023)
-
DPotential for more than minimal harm, isolated
Provide safe, appropriate dialysis care/services for a resident who requires such services.
Quality of Life and Care · Deficient, Provider has date of correction (Dec 31, 2023)
-
DPotential for more than minimal harm, isolated
Dispose of garbage and refuse properly.
Nutrition and Dietary · Deficient, Provider has date of correction (Dec 31, 2023)
-
EPotential for more than minimal harm, pattern
Provide safe and appropriate respiratory care for a resident when needed.
Quality of Life and Care · Deficient, Provider has date of correction (Feb 18, 2022)
-
EPotential for more than minimal harm, pattern
Safeguard resident-identifiable information and/or maintain medical records on each resident that are in accordance with accepted professional standards.
Resident Assessment and Care Planning · Deficient, Provider has date of correction (Jan 18, 2022)
-
EPotential for more than minimal harm, pattern
Provide and implement an infection prevention and control program.
Infection Control · Deficient, Provider has date of correction (Feb 21, 2022)
-
EPotential for more than minimal harm, pattern
Develop and implement policies and procedures for flu and pneumonia vaccinations.
Infection Control · Deficient, Provider has date of correction (Feb 18, 2022)
-
DPotential for more than minimal harm, isolated
Reasonably accommodate the needs and preferences of each resident.
Resident Rights · Deficient, Provider has date of correction (Dec 17, 2021)
-
DPotential for more than minimal harm, isolated
Honor the resident's right to a safe, clean, comfortable and homelike environment, including but not limited to receiving treatment and supports for daily living safely.
Resident Rights · Deficient, Provider has date of correction (Dec 17, 2021)
-
DPotential for more than minimal harm, isolated
Ensure services provided by the nursing facility meet professional standards of quality.
Resident Assessment and Care Planning · Deficient, Provider has date of correction (Dec 17, 2021)
-
DPotential for more than minimal harm, isolated
Provide care and assistance to perform activities of daily living for any resident who is unable.
Quality of Life and Care · Deficient, Provider has date of correction (Feb 17, 2022)
-
DPotential for more than minimal harm, isolated
Provide appropriate care for a resident to maintain and/or improve range of motion (ROM), limited ROM and/or mobility, unless a decline is for a medical reason.
Quality of Life and Care · Deficient, Provider has date of correction (Dec 17, 2021)
-
DPotential for more than minimal harm, isolated
Provide enough food/fluids to maintain a resident's health.
Quality of Life and Care · Deficient, Provider has date of correction (Feb 18, 2022)
Showing the 30 most recent of 31.
What severity letters A to L mean
Each sentence above is the requirement that was not met, in CMS's wording. For the inspection results as Medicare publishes them, open this home's page on Medicare.gov and look under "Health inspections".
Penalties, past three years
CMS lists no fines or payment denials for this home in the past three years.
New Jersey homes averaged 0.7 fines and $34,926 in fine amounts; the national averages are 0.9 and $30,972.
Cost
Not in the public data. CMS does not publish what a nursing home charges.
Ask the home for its daily private-pay rate and whether a bed is open for your coverage. See what Medicare covers and how Medicaid pays for a nursing home.
Compared within New Jersey
- Size58 of 348 by certified beds
- New Jersey average residents per day122.4
- ChainMarquis Health Services
- Chain average overall rating3.1 of 5
- Resident or family councilResident
- Homes in Middlesex County25
Common questions
What is the CMS star rating for Merwick Post Acute?
Merwick Post Acute has an overall rating of 3 of 5 stars from CMS as of Sep 2026. Its health inspection rating is 2, staffing is 3 and quality measures is 5.
How many beds does Merwick Post Acute have?
Merwick Post Acute has 200 certified beds. It averages 172.9 residents per day, about 86.5% of its certified beds.
How much nursing care do residents get at Merwick Post Acute?
The home reports 3.05 hours of nurse staffing per resident per day, including 0.71 hours from registered nurses. The New Jersey average is 3.85 hours and 0.68 hours from registered nurses.
Has Merwick Post Acute been fined?
CMS lists no fines for this home in the past three years.
Does Merwick Post Acute accept Medicare or Medicaid?
CMS lists its participation as "Medicare and Medicaid". Ask the home whether a bed is open for your coverage.
Guides for families looking at this home
- Understanding the recordWhat to ask on a nursing home tourQuestions that turn a home's public record into a useful conversation when you tour, plus what to look for yourself.
- Understanding the recordInspection severity letters A to LHow inspectors grade each deficiency by harm and by how many residents were affected.
- Understanding the recordHow to read CMS star ratingsWhat the overall, health inspection, staffing and quality measure ratings cover, and what they leave out.
Nearest nursing homes
- 4 of 5 Carnegie Post Acute Care at Princeton LLC 180beds 84.6%in use 3.49nurse hours a day
- 4 of 5 Complete Care at Park Place LLC 94beds 94.8%in use 3.05nurse hours a day
- 3 of 5 Stonebridge at Montgomery Health Care Center 50beds 92.0%in use 4.55nurse hours a day
Sorted by straight-line distance. This is not a ranking or a recommendation. Compare all homes in Middlesex County
Who to call in New Jersey
These offices serve residents of every nursing home in New Jersey.
- Long-term care ombudsman New Jersey Long-Term Care Ombudsman 1-877-582-6995 (Fax 1-609-943-3479. Email: ombudsman@ltco.nj.gov. Mail: P.O. Box 852, Trenton, NJ 08625-0852.) An advocate for residents and their families.
- File a complaint about a nursing home Department of Health Complaint Hotline 1-800-792-9770 (24-hour hotline, seven days a week; complaints may be made by phone without giving a name. Long-term care complaints can also be faxed to 609-943-4977 (reviewed during business hours), submitted online (web.doh.nj.gov/fc/search.aspx), or mailed to NJ Department of Health, PO Box 367, Trenton, NJ 08625-0367.) The state agency that inspects nursing homes.
New Jersey staffing, bed-hold and Medicaid rules · Residents' rights in every state
Source: CMS Provider Data Catalog, nursing home datasets processed Sep 1, 2026. CMS Certification Number 315001. See this home's official record on Medicare.gov
See something shown incorrectly? Tell us. This site shows each record as CMS publishes it and cannot change the underlying record.