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San Mateo County, California · Nursing home

Atherton Park Post-Acute

4 of 5 overall from CMS

1275 Crane Street, Menlo Park, CA 94025

Call (650) 325-8600Directions

At a glance

Arrows only show whether a figure is above or below the state average. They are not a judgment of the home.

Atherton Park Post-Acute is a 160-bed nursing home in Menlo Park, California (San Mateo County). CMS rates it 4 of 5 stars overall as of Sep 2026. It reports 3.90 nurse staffing hours per resident per day, below the California average of 4.52. CMS lists no fines in the past three years.

Certified beds
160
Residents per day (average)
158.3
Certified since
2005 (21 yrs)

For profit - Limited Liability company Participates in Medicare and MedicaidPart of Kalesta Healthcare Group (19 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 Atherton Park Post-Acute

Chosen from this home's public data.

  1. Reported nurse staffing is 3.46 hours per resident on weekends against 3.90 overall. Who covers Saturdays and Sundays?Weekend staffing in CMS data
  2. About 98.9% of certified beds are in use on an average day. Is there a waiting list, and how long is it?Certified beds and average residents in CMS data
  3. Registered nurse time is 0.45 hours per resident per day; the California average is 0.67. Is an RN on site overnight?RN staffing in CMS data

More in what to ask on a nursing home tour.

CMS star ratings

The vertical line marks the California 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.

How much nurse staffing is enough? All bars share one scale, 0 to 12 hours. The vertical line marks the California average; the national average for all nursing staff is 3.86 hours.

Quality measures

CMS calculates these from residents' assessments and Medicare claims. They are shown as published, next to the California 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

MeasureThis homeCaliforniaU.S.
★ Percentage of long-stay residents whose need for help with daily activities has increased 6.9% 10.2% 13.9%
Percentage of long-stay residents who lose too much weight 4.1% 4.0% 5.2%
★ Percentage of long-stay residents with a catheter inserted and left in their bladder 0.3% 0.8% 0.8%
★ Percentage of long-stay residents with a urinary tract infection 1.2% 1.2% 1.6%
Percentage of long-stay residents who have depressive symptoms 2.4% 7.3% 12.8%
Percentage of long-stay residents who were physically restrained 0.0% 0.4% 0.1%
★ Percentage of long-stay residents experiencing one or more falls with major injury 2.4% 1.6% 3.2%
Percentage of long-stay residents assessed and appropriately given the pneumococcal vaccine 96.8% 98.6% 93.6%
★ Percentage of long-stay residents whose ability to walk independently worsened 3.5% 9.8% 14.1%
Percentage of long-stay residents who received an antianxiety or hypnotic medication 10.1% 13.7% 19.5%
Percentage of long-stay residents assessed and appropriately given the seasonal influenza vaccine 89.1% 98.2% 95.5%
★ Percentage of long-stay residents with pressure ulcers 2.9% 4.3% 4.6%
Percentage of long-stay residents with new or worsened bowel or bladder incontinence 7.2% 10.2% 19.0%
★ Percentage of long-stay residents who received an antipsychotic medication 9.6% 12.0% 15.4%
★ Number of hospitalizations per 1000 long-stay resident days 3.16 2.25 1.90
★ Number of outpatient emergency department visits per 1000 long-stay resident days 0.84 1.57 1.78

Short-stay residents

MeasureThis homeCaliforniaU.S.
Percentage of short-stay residents assessed and appropriately given the pneumococcal vaccine 95.4% 94.4% 82.0%
★ Percentage of short-stay residents who newly received an antipsychotic medication 1.2% 1.5% 1.6%
Percentage of short-stay residents who were assessed and appropriately given the seasonal influenza vaccine 92.9% 93.2% 79.8%
★ Percentage of short-stay residents who were rehospitalized after a nursing home admission 34.5% 23.0% 23.8%
★ Percentage of short-stay residents who had an outpatient emergency department visit 12.4% 11.2% 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 45 health deficiencies in the three most recent inspection cycles. None was graded as actual harm or immediate jeopardy. 13 were cited in connection with a complaint investigation.

Deficiencies by inspection cycle
Standard inspectionHealthFire safety
Feb 14, 202579
Dec 15, 2023168
Jun 8, 2021226

California homes averaged 15.6 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 (45)

  1. DPotential for more than minimal harm, isolated

    Provide and implement an infection prevention and control program.

    Complaint investigation · Infection Control · Deficient, Provider has date of correction (May 6, 2026)

  2. DPotential for more than minimal harm, isolated

    Provide enough food/fluids to maintain a resident's health.

    Complaint investigation · Quality of Life and Care · Deficient, Provider has date of correction (Aug 25, 2025)

  3. EPotential for more than minimal harm, pattern

    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 (May 30, 2025)

  4. 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.

    Complaint investigation · Resident Assessment and Care Planning · Deficient, Provider has date of correction (Jun 2, 2025)

  5. EPotential for more than minimal harm, pattern

    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 (Mar 10, 2025)

Show 25 more

  1. EPotential for more than minimal harm, pattern

    Honor the resident's right to request, refuse, and/or discontinue treatment, to participate in or refuse to participate in experimental research, and to formulate an advance directive.

    Resident Rights · Deficient, Provider has date of correction (Mar 10, 2025)

  2. 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.

    Resident Assessment and Care Planning · Deficient, Provider has date of correction (Mar 10, 2025)

  3. EPotential for more than minimal harm, pattern

    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 (Mar 10, 2025)

  4. 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.

    Quality of Life and Care · Deficient, Provider has date of correction (Mar 10, 2025)

  5. DPotential for more than minimal harm, isolated

    Inform resident or representatives choice to enter into binding arbitration agreement and right to refuse.

    Administration · Deficient, Provider has date of correction (Mar 10, 2025)

  6. DPotential for more than minimal harm, isolated

    Allow residents to self-administer drugs if determined clinically appropriate.

    Complaint investigation · Resident Rights · Deficient, Provider has date of correction (Jul 24, 2024)

  7. DPotential for more than minimal harm, isolated

    Keep residents' personal and medical records private and confidential.

    Complaint investigation · Resident Rights · Deficient, Provider has date of correction (Jul 24, 2024)

  8. DPotential for more than minimal harm, isolated

    Provide safe, appropriate pain management for a resident who requires such services.

    Complaint investigation · Quality of Life and Care · Deficient, Provider has date of correction (Jul 24, 2024)

  9. DPotential for more than minimal harm, isolated

    Not hire anyone with a finding of abuse, neglect, exploitation, or theft.

    Complaint investigation · Freedom from Abuse, Neglect, and Exploitation · Deficient, Provider has date of correction (Mar 1, 2024)

  10. DPotential for more than minimal harm, isolated

    Create and put into place a plan for meeting the resident's most immediate needs within 48 hours of being admitted

    Complaint investigation · Resident Assessment and Care Planning · Deficient, Provider has date of correction (Feb 26, 2024)

  11. FPotential for more than minimal harm, widespread

    Employ sufficient staff with the appropriate competencies and skills sets to carry out the functions of the food and nutrition service, including a qualified dietician.

    Nutrition and Dietary · Deficient, Provider has date of correction (Jan 14, 2024)

  12. 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 (Jan 14, 2024)

  13. EPotential for more than minimal harm, pattern

    Assure that each resident’s assessment is updated at least once every 3 months.

    Resident Assessment and Care Planning · Deficient, Provider has date of correction (Jan 14, 2024)

  14. EPotential for more than minimal harm, pattern

    Provide and implement an infection prevention and control program.

    Infection Control · Deficient, Provider has date of correction (Jan 30, 2024)

  15. EPotential for more than minimal harm, pattern

    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 (Jan 14, 2024)

  16. DPotential for more than minimal harm, isolated

    Allow residents to self-administer drugs if determined clinically appropriate.

    Resident Rights · Deficient, Provider has date of correction (Jan 14, 2024)

  17. 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 (Jan 14, 2024)

  18. DPotential for more than minimal harm, isolated

    Assess the resident completely in a timely manner when first admitted, and then periodically, at least every 12 months.

    Resident Assessment and Care Planning · Deficient, Provider has date of correction (Jan 14, 2024)

  19. 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 (Jan 14, 2024)

  20. DPotential for more than minimal harm, isolated

    Ensure each resident receives an accurate assessment.

    Resident Assessment and Care Planning · Deficient, Provider has date of correction (Jan 14, 2024)

  21. 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 (Jan 14, 2024)

  22. 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 (Jan 14, 2024)

  23. DPotential for more than minimal harm, isolated

    Ensure medication error rates are not 5 percent or greater.

    Pharmacy Service · Deficient, Provider has date of correction (Jan 14, 2024)

  24. DPotential for more than minimal harm, isolated

    Make sure that the nursing home area is safe, easy to use, clean and comfortable for residents, staff and the public.

    Environmental · Deficient, Provider has date of correction (Jan 14, 2024)

  25. 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 (Jan 14, 2024)

Showing the 30 most recent of 45.

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.

California homes averaged 0.8 fines and $23,986 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 California

Common questions

What is the CMS star rating for Atherton Park Post-Acute?

Atherton Park Post-Acute has an overall rating of 4 of 5 stars from CMS as of Sep 2026. Its health inspection rating is 3, staffing is 3 and quality measures is 5.

How many beds does Atherton Park Post-Acute have?

Atherton Park Post-Acute has 160 certified beds. It averages 158.3 residents per day, about 98.9% of its certified beds.

How much nursing care do residents get at Atherton Park Post-Acute?

The home reports 3.90 hours of nurse staffing per resident per day, including 0.45 hours from registered nurses. The California average is 4.52 hours and 0.67 hours from registered nurses.

Has Atherton Park Post-Acute been fined?

CMS lists no fines for this home in the past three years.

Does Atherton Park 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

Nearest nursing homes

Sorted by straight-line distance. This is not a ranking or a recommendation. Compare all homes in San Mateo County

Who to call in California

These offices serve residents of every nursing home in California.

California staffing, bed-hold and Medicaid rules · Residents' rights in every state

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Source: CMS Provider Data Catalog, nursing home datasets processed Sep 1, 2026. CMS Certification Number 555827. 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.