Waterstone at Lexington
State licensed55 Watertown Street, Lexington, MA 02421
Assisted Living
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Medicare-certifiedSkilled Nursing
Pine Knoll Nursing Center
Lexington, MassachusettsMedicare inspection record
About Pine Knoll Nursing Center
Pine Knoll Nursing Center provides skilled nursing and rehabilitation services to Lexington, Massachusetts residents recovering from surgery, illness, or injury. Our compassionate team focuses on helping patients regain independence through personalized care plans and evidence-based therapies in a supportive environment.
Community at a glance
Capacity
81 residents
Location
Lexington, MA
Status
Listed in a public registry
Care & services offered
Skilled Nursing
Contact & location
30 WATERTOWN STREET, Lexington, Massachusetts 02420
Medicare inspection record
From CMS Care Compare, the federal record every Medicare-certified nursing home is held to. Data as of September 1, 2026. Check it on Medicare.gov
- Medicare lists Pine Knoll Nursing Center as a Special Focus Facility: a home with a history of serious quality problems that inspectors visit more often until it improves.
- Medicare flags Pine Knoll Nursing Center for a citation related to abuse of residents in its recent inspections.
At its most recent standard inspection, on March 2, 2026, state inspectors cited 33 health deficiencies (the Massachusetts average is 6.8).
Nurses and nurse aides spend 3 hours 23 minutes with each resident a day, below the Massachusetts average of 3 hours 52 minutes.
Medicare fined Pine Knoll Nursing Center 2 times in the last three years, $432,082 in total.
Staffing
| Measure | This home |
|---|---|
| Nurse and aide time per resident, per day | 3 hours 23 minutesBelow the Massachusetts average |
| Registered nurse time per resident, per day | 39 minutes |
Inspections
82 health citations in the last three years. Each one is a federal standard inspectors found the home was not meeting.
March 2, 2026 · Standard inspection · 33 citations
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.
Immediate danger to residents, a pattern (level K)Quality of Life and CareCorrected Mar 29, 2026Provide or get specialized rehabilitative services as required for a resident.
Residents were harmed, a pattern (level H)Quality of Life and CareCorrected Mar 29, 2026Protect each resident from all types of abuse such as physical, mental, sexual abuse, physical punishment, and neglect by anybody.
Residents were harmed, a pattern (level H)Freedom from Abuse, Neglect, and ExploitationCorrected Mar 29, 2026Ensure each resident must receive and the facility must provide necessary behavioral health care and services.
Residents were harmed, a pattern (level H)Quality of Life and CareCorrected Mar 29, 2026Immediately tell the resident, the resident's doctor, and a family member of situations (injury/decline/room, etc.) that affect the resident.
Residents were harmed, a pattern (level H)Resident RightsCorrected Mar 29, 2026Respond appropriately to all alleged violations.
Risk of harm, no one hurt, a pattern (level E)Freedom from Abuse, Neglect, and ExploitationCorrected Mar 29, 2026Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.
Risk of harm, no one hurt, a pattern (level E)Nutrition and DietaryCorrected Mar 29, 2026Ensure drugs and biologicals used in the facility are labeled in accordance with currently accepted professional principles; and all drugs and biologicals must be stored in locked compartments, separately locked, compartments for controlled drugs.
Risk of harm, no one hurt, a pattern (level E)Pharmacy ServiceCorrected Mar 29, 2026Timely report suspected abuse, neglect, or theft and report the results of the investigation to proper authorities.
Risk of harm, no one hurt, a pattern (level E)Freedom from Abuse, Neglect, and ExploitationCorrected Mar 29, 2026Provide care and assistance to perform activities of daily living for any resident who is unable.
Risk of harm, no one hurt, a few residents (level D)Quality of Life and CareCorrected Mar 29, 2026Educate residents and staff on COVID-19 vaccination, offer the COVID-19 vaccine to eligible residents and staff after education, and properly document each resident and staff member's vaccination status.
Risk of harm, no one hurt, a few residents (level D)Infection ControlCorrected Mar 29, 2026Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.
Risk of harm, no one hurt, a few residents (level D)Resident RightsCorrected Mar 29, 2026Provide activities to meet all resident's needs.
Risk of harm, no one hurt, a few residents (level D)Quality of Life and CareCorrected Mar 29, 2026Provide the appropriate treatment and services to a resident who displays or is diagnosed with dementia.
Risk of harm, no one hurt, a few residents (level D)Quality of Life and CareCorrected Mar 29, 2026Ensure a licensed pharmacist perform a monthly drug regimen review, including the medical chart, following irregularity reporting guidelines in developed policies and procedures.
Risk of harm, no one hurt, a few residents (level D)Pharmacy ServiceCorrected Mar 29, 2026Assure that each resident’s assessment is updated at least once every 3 months.
Risk of harm, no one hurt, a few residents (level D)Resident Assessment and Care PlanningCorrected Mar 29, 2026Ensure each resident’s drug regimen must be free from unnecessary drugs.
Risk of harm, no one hurt, a few residents (level D)Pharmacy ServiceCorrected Mar 29, 2026Provide safe and appropriate respiratory care for a resident when needed.
Risk of harm, no one hurt, a few residents (level D)Quality of Life and CareCorrected Mar 29, 2026Provide care or services that was trauma informed and/or culturally competent.
Risk of harm, no one hurt, a few residents (level D)Quality of Life and CareCorrected Mar 29, 2026Assist a resident in gaining access to vision and hearing services.
Risk of harm, no one hurt, a few residents (level D)Quality of Life and CareCorrected Mar 29, 2026Develop the complete care plan within 7 days of the comprehensive assessment; and prepared, reviewed, and revised by a team of health professionals.
Risk of harm, no one hurt, a few residents (level D)Resident Assessment and Care PlanningCorrected Mar 29, 2026Develop and implement a complete care plan that meets all the resident's needs, with timetables and actions that can be measured.
Risk of harm, no one hurt, a few residents (level D)Resident Assessment and Care PlanningCorrected Mar 29, 2026Give residents notice of Medicaid/Medicare coverage and potential liability for services not covered.
Risk of harm, no one hurt, a few residents (level D)Resident RightsCorrected Mar 29, 2026Provide enough food/fluids to maintain a resident's health.
Risk of harm, no one hurt, a few residents (level D)Quality of Life and CareCorrected Mar 29, 2026Set up an ongoing quality assessment and assurance group to review quality deficiencies and develop corrective plans of action.
Risk of harm, no one hurt, a few residents (level D)AdministrationCorrected Mar 29, 2026Provide or obtain dental services for each resident.
Risk of harm, no one hurt, a few residents (level D)Quality of Life and CareCorrected Mar 29, 2026Honor 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.
Risk of harm, no one hurt, a few residents (level D)Resident RightsCorrected Mar 29, 2026Ensure that a nursing home area is free from accident hazards and provides adequate supervision to prevent accidents.
Risk of harm, no one hurt, a few residents (level D)Quality of Life and CareCorrected Mar 29, 2026Provide medically-related social services to help each resident achieve the highest possible quality of life.
Risk of harm, no one hurt, a few residents (level D)Quality of Life and CareCorrected Mar 29, 2026Provide safe, appropriate pain management for a resident who requires such services.
Risk of harm, no one hurt, a few residents (level D)Quality of Life and CareCorrected Mar 29, 2026Ensure services provided by the nursing facility meet professional standards of quality.
Risk of harm, no one hurt, a few residents (level D)Resident Assessment and Care PlanningCorrected Mar 29, 2026Provide and implement an infection prevention and control program.
Risk of harm, no one hurt, a few residents (level D)Infection ControlCorrected Mar 29, 2026Ensure each resident receives an accurate assessment.
Minimal harm or risk, a pattern (level B)Resident Assessment and Care PlanningCorrected Mar 29, 2026
September 5, 2025 · Standard inspection · 14 citations
Develop and implement policies and procedures for flu and pneumonia vaccinations.
Risk of harm, no one hurt, a pattern (level E)Infection ControlCorrected Sep 25, 2025Honor the resident's right to manage his or her financial affairs.
Risk of harm, no one hurt, a pattern (level E)Resident RightsCorrected Sep 25, 2025Ensure services provided by the nursing facility meet professional standards of quality.
Risk of harm, no one hurt, a few residents (level D)Resident Assessment and Care PlanningCorrected Sep 25, 2025Provide appropriate care for residents who are continent or incontinent of bowel/bladder, appropriate catheter care, and appropriate care to prevent urinary tract infections.
Risk of harm, no one hurt, a few residents (level D)Quality of Life and CareCorrected Sep 25, 2025Develop the complete care plan within 7 days of the comprehensive assessment; and prepared, reviewed, and revised by a team of health professionals.
Risk of harm, no one hurt, a few residents (level D)Resident Assessment and Care PlanningCorrected Sep 25, 2025Ensure menus must meet the nutritional needs of residents, be prepared in advance, be followed, be updated, be reviewed by dietician, and meet the needs of the resident.
Risk of harm, no one hurt, a few residents (level D)Nutrition and DietaryCorrected Sep 25, 2025Provide special eating equipment and utensils for residents who need them and appropriate assistance.
Risk of harm, no one hurt, a few residents (level D)Nutrition and DietaryCorrected Sep 25, 2025Employ sufficient staff with the appropriate competencies and skills sets to carry out the functions of the food and nutrition service, including a qualified dietician.
Risk of harm, no one hurt, a few residents (level D)Nutrition and DietaryCorrected Sep 25, 2025Ensure each resident receives and the facility provides food prepared in a form designed to meet individual needs.
Risk of harm, no one hurt, a few residents (level D)Nutrition and DietaryCorrected Sep 25, 2025Safeguard resident-identifiable information and/or maintain medical records on each resident that are in accordance with accepted professional standards.
Risk of harm, no one hurt, a few residents (level D)Resident Assessment and Care PlanningCorrected Sep 26, 2025Provide appropriate pressure ulcer care and prevent new ulcers from developing.
Risk of harm, no one hurt, a few residents (level D)Quality of Life and CareCorrected Sep 25, 2025Ensure each resident receives an accurate assessment.
Minimal harm or risk, a pattern (level B)Resident Assessment and Care PlanningNo revisit neededAssure that each resident’s assessment is updated at least once every 3 months.
Minimal harm or risk, a pattern (level B)Resident Assessment and Care PlanningNo revisit neededEncode each resident’s assessment data and transmit these data to the State within 7 days of assessment.
Minimal harm or risk, a pattern (level B)Resident Assessment and Care PlanningNo revisit needed
September 26, 2024 · Standard inspection · 13 citations+
Administer the facility in a manner that enables it to use its resources effectively and efficiently.
Immediate danger to residents, a pattern (level K)AdministrationCorrected Oct 23, 2024Ensure that nurses and nurse aides have the appropriate competencies to care for every resident in a way that maximizes each resident's well being.
Immediate danger to residents, a pattern (level K)Nursing and Physician ServicesCorrected Oct 23, 2024Protect each resident from all types of abuse such as physical, mental, sexual abuse, physical punishment, and neglect by anybody.
Immediate danger to residents, a pattern (level K)Freedom from Abuse, Neglect, and ExploitationCorrected Oct 23, 2024Provide appropriate pressure ulcer care and prevent new ulcers from developing.
Immediate danger to residents, a pattern (level K)Quality of Life and CareCorrected Oct 23, 2024Immediately tell the resident, the resident's doctor, and a family member of situations (injury/decline/room, etc.) that affect the resident.
Residents were harmed, a pattern (level H)Resident RightsCorrected Oct 24, 2024Provide safe and appropriate respiratory care for a resident when needed.
Residents were harmed, a few residents (level G)Quality of Life and CareCorrected Oct 23, 2024Provide enough food/fluids to maintain a resident's health.
Residents were harmed, a few residents (level G)Quality of Life and CareCorrected Oct 23, 2024Conduct and document a facility-wide assessment to determine what resources are necessary to care for residents competently during both day-to-day operations (including nights and weekends) and emergencies.
Risk of harm, no one hurt, widespread (level F)AdministrationCorrected Oct 23, 2024Have a registered nurse on duty 8 hours a day; and select a registered nurse to be the director of nurses on a full time basis.
Risk of harm, no one hurt, widespread (level F)Nursing and Physician ServicesCorrected Oct 22, 2024Designate a qualified infection preventionist to be responsible for the infection prevent and control program in the nursing home.
Risk of harm, no one hurt, widespread (level F)Infection ControlCorrected Nov 15, 2024Provide and implement an infection prevention and control program.
Risk of harm, no one hurt, widespread (level F)Infection ControlCorrected Oct 23, 2024Develop, implement, and/or maintain an effective training program for all new and existing staff members.
Risk of harm, no one hurt, widespread (level F)AdministrationCorrected Oct 23, 2024Provide enough nursing staff every day to meet the needs of every resident; and have a licensed nurse in charge on each shift.
Risk of harm, no one hurt, widespread (level F)Nursing and Physician ServicesCorrected Oct 22, 2024
Showing the 60 most recent. The full list is on Medicare.gov.
Fines and payment denials
2 fines totaling $432,082 in the last three years.
- March 2, 2026Fine: $213,005
- September 26, 2024Fine: $219,077
About the home, per Medicare
- Ownership
- For profit - Corporation
- Legal business name
- Long Term Centers of Lexington Inc
- Medicare-certified beds
- 81
- Average residents per day
- 69
- Accepts
- Medicare and Medicaid
- First certified
- January 1, 1967
- Inside a hospital
- No
- Continuing care retirement community
- No
- Resident or family council
- Resident
- Sprinklers in all required areas
- Yes
- CMS Certification Number
- 225049
Location
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30 WATERTOWN STREETLexington, MA 02420
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Questions about Pine Knoll Nursing Center
How did Pine Knoll Nursing Center do on its last inspection?+
State inspectors visited on March 2, 2026 and cited 33 health deficiencies. The Massachusetts average is 6.8.
How much nursing care does each resident get at Pine Knoll Nursing Center?+
Nurses and aides spend 3 hours 23 minutes with each resident per day, including 39 minutes from registered nurses.
Has Pine Knoll Nursing Center been fined by Medicare?+
Yes. Medicare fined Pine Knoll Nursing Center 2 times in the last three years, totaling $432,082.
Does Medicare cover skilled nursing?+
Medicare covers up to 100 days of skilled nursing per benefit period after a qualifying 3-day hospital stay — fully for the first 20 days, then with a daily copay. Long-term custodial stays are generally not covered.
How much does a nursing home cost?+
A semi-private room averages about $7,900 per month nationally; private rooms cost more. Medicaid is the largest payer for long-term nursing home care.
What is the CMS star rating?+
Medicare rates nursing homes 1 to 5 stars on its Care Compare site. We don't repeat those stars here. Each nursing home page shows Medicare's underlying record instead: inspections, staffing and fines, with a link to check it on Medicare.gov.