Skilled nursing facility · CMS certification number 555258

VALLEY OF THE MOON POST ACUTE

SONOMA, California · Medicare and Medicaid

Certified beds, as filed in Care Compare: 27

Finances, as filed

Not yet extracted for this facility.

Nurse staffing

Nurse staffing hours from the Payroll-Based Journal, quarter by quarter, are on this facility’s staffing page, each quarter with the file it came from.

The staffing record →

Ownership, as filed with CMS

Care Compare

As filed in the CMS file dated 1 August 2026 (Care Compare ownership).

Owner or manager	Role	Type	Ownership percentage	Association
ARMFIELD, BENJAMIN	ADP OF THE SNF	Individual	NOT APPLICABLE	since 04/01/2021
KAISER, KELLEY	ADP OF THE SNF	Individual	NOT APPLICABLE	since 11/03/2025
OKOLO, PATRICK	ADP OF THE SNF	Individual	NOT APPLICABLE	since 10/06/2025
SONOMA VALLEY HEALTH CARE DISTRICT	ADP OF THE SNF	Organization	NOT APPLICABLE	since 05/21/2026
STONE, LISA	ADP OF THE SNF	Individual	NOT APPLICABLE	since 01/01/2001
WELCH, SHERRI	ADP OF THE SNF	Individual	NOT APPLICABLE	since 01/01/2007
ARMFIELD, BENJAMIN	OPERATIONAL/MANAGERIAL CONTROL	Individual	NOT APPLICABLE	since 01/01/2001
KAISER, KELLEY	OPERATIONAL/MANAGERIAL CONTROL	Individual	NOT APPLICABLE	since 11/03/2025
OKOLO, PATRICK	OPERATIONAL/MANAGERIAL CONTROL	Individual	NOT APPLICABLE	since 10/06/2025
SONOMA VALLEY HEALTH CARE DISTRICT	OPERATIONAL/MANAGERIAL CONTROL	Organization	NOT APPLICABLE	since 01/01/2007
STONE, LISA	OPERATIONAL/MANAGERIAL CONTROL	Individual	NOT APPLICABLE	since 01/01/2001
WELCH, SHERRI	OPERATIONAL/MANAGERIAL CONTROL	Individual	NOT APPLICABLE	since 12/07/1992

Medicare enrollment

As filed in the CMS file dated 1 August 2026 (Medicare enrollment ownership), under the enrollment of SONOMA VALLEY HEALTH CARE DISTRICT (enrollment ID O20030514000086).

Owner	Individual or organization	Role	Ownership percentage	Association date	Described in the filing as
KELLY MATHER	Individual	CORPORATE OFFICER	CMS paused the expanded ownership disclosure on Form CMS-855A in guidance dated December 11, 2025; this field has not been filed under the current cycle.	7/1/2010	Private equity company: CMS paused the expanded ownership disclosure on Form CMS-855A in guidance dated December 11, 2025; this field has not been filed under the current cycle. Real estate investment trust: CMS paused the expanded ownership disclosure on Form CMS-855A in guidance dated December 11, 2025; this field has not been filed under the current cycle. Holding company: CMS paused the expanded ownership disclosure on Form CMS-855A in guidance dated December 11, 2025; this field has not been filed under the current cycle.
FE SENDAYDIEGO	Individual	OPERATIONAL/MANAGERIAL CONTROL	CMS paused the expanded ownership disclosure on Form CMS-855A in guidance dated December 11, 2025; this field has not been filed under the current cycle.	12/26/2000	Private equity company: CMS paused the expanded ownership disclosure on Form CMS-855A in guidance dated December 11, 2025; this field has not been filed under the current cycle. Real estate investment trust: CMS paused the expanded ownership disclosure on Form CMS-855A in guidance dated December 11, 2025; this field has not been filed under the current cycle. Holding company: CMS paused the expanded ownership disclosure on Form CMS-855A in guidance dated December 11, 2025; this field has not been filed under the current cycle.
SONOMA VALLEY HEALTH CARE DISTRICT	Organization	OPERATIONAL/MANAGERIAL CONTROL	CMS paused the expanded ownership disclosure on Form CMS-855A in guidance dated December 11, 2025; this field has not been filed under the current cycle.	12/19/1986	Private equity company: No Real estate investment trust: No Holding company: No

Changes in ownership

1 October 2025: FE SENDAYDIEGO no longer appears as W-2 MANAGING EMPLOYEE in the Medicare enrollment ownership file. Skilled_Nursing_Facility_All_Owners_:_2025-10-01.csv
1 October 2025: FE SENDAYDIEGO appears as OPERATIONAL/MANAGERIAL CONTROL in the Medicare enrollment ownership file. Skilled_Nursing_Facility_All_Owners_:_2025-10-01.csv

Recent changes on this record

1 October 2025: FE SENDAYDIEGO no longer appears as W-2 MANAGING EMPLOYEE in the Medicare enrollment ownership file. Skilled_Nursing_Facility_All_Owners_:_2025-10-01.csv
1 October 2025: FE SENDAYDIEGO appears as OPERATIONAL/MANAGERIAL CONTROL in the Medicare enrollment ownership file. Skilled_Nursing_Facility_All_Owners_:_2025-10-01.csv

Inspections

Inspection cycle	Health inspection	Fire safety inspection	Health deficiencies	Fire safety deficiencies
1	11 October 2024	11 October 2024	6	3
2	28 July 2023	28 July 2023	5	9
3	16 October 2019	16 October 2019	18	6

From the Care Compare inspection summary file NH_SurveySummary_Aug2026.csv, processed on 1 August 2026.

Deficiencies cited

29 deficiencies on file, newest inspection first

Inspection date	Inspection type	Tag	Category	What was cited	Scope and severity	Complaint	Corrected	Correction date
15 April 2026	Health	F 0600	Freedom from Abuse, Neglect, and Exploitation Deficiencies	Protect each resident from all types of abuse such as physical, mental, sexual abuse, physical punishment, and neglect by anybody.	G	Yes	Deficient, Provider has date of correction	16 April 2026
11 October 2024	Health	F 0550	Resident Rights Deficiencies	Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.	E	No	Deficient, Provider has date of correction	5 November 2024
11 October 2024	Health	F 0577	Resident Rights Deficiencies	Allow residents to easily view the nursing home's survey results and communicate with advocate agencies.	E	No	Deficient, Provider has date of correction	5 November 2024
11 October 2024	Health	F 0695	Quality of Life and Care Deficiencies	Provide safe and appropriate respiratory care for a resident when needed.	E	No	Deficient, Provider has date of correction	5 November 2024
11 October 2024	Health	F 0726	Nursing and Physician Services Deficiencies	Ensure that nurses and nurse aides have the appropriate competencies to care for every resident in a way that maximizes each resident's well being.	E	No	Deficient, Provider has date of correction	5 November 2024
11 October 2024	Health	F 0760	Pharmacy Service Deficiencies	Ensure that residents are free from significant medication errors.	D	No	Deficient, Provider has date of correction	5 November 2024
28 July 2023	Health	F 0656	Resident Assessment and Care Planning Deficiencies	Develop and implement a complete care plan that meets all the resident's needs, with timetables and actions that can be measured.	E	No	Deficient, Provider has date of correction	4 September 2023
28 July 2023	Health	F 0727	Nursing and Physician Services Deficiencies	Have 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.	F	No	Deficient, Provider has date of correction	4 September 2023
28 July 2023	Health	F 0755	Pharmacy Service Deficiencies	Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist.	E	No	Deficient, Provider has date of correction	4 September 2023
28 July 2023	Health	F 0756	Pharmacy Service Deficiencies	Ensure a licensed pharmacist perform a monthly drug regimen review, including the medical chart, following irregularity reporting guidelines in developed policies and procedures.	E	No	Deficient, Provider has date of correction	4 September 2023
28 July 2023	Health	F 0759	Pharmacy Service Deficiencies	Ensure medication error rates are not 5 percent or greater.	E	No	Deficient, Provider has date of correction	4 September 2023
16 October 2019	Health	F 0550	Resident Rights Deficiencies	Honor the resident's right to a dignified existence, self-determination, communication, and to exercise his or her rights.	D	No	Deficient, Provider has date of correction	13 December 2019
16 October 2019	Health	F 0561	Resident Rights Deficiencies	Honor the resident's right to and the facility must promote and facilitate resident self-determination through support of resident choice.	D	No	Deficient, Provider has date of correction	13 December 2019
16 October 2019	Health	F 0655	Resident Assessment and Care Planning Deficiencies	Create and put into place a plan for meeting the resident's most immediate needs within 48 hours of being admitted	E	No	Deficient, Provider has date of correction	13 December 2019
16 October 2019	Health	F 0656	Resident Assessment and Care Planning Deficiencies	Develop and implement a complete care plan that meets all the resident's needs, with timetables and actions that can be measured.	E	No	Deficient, Provider has date of correction	13 December 2019
16 October 2019	Health	F 0657	Resident Assessment and Care Planning Deficiencies	Develop the complete care plan within 7 days of the comprehensive assessment; and prepared, reviewed, and revised by a team of health professionals.	D	No	Deficient, Provider has date of correction	13 December 2019
16 October 2019	Health	F 0658	Resident Assessment and Care Planning Deficiencies	Ensure services provided by the nursing facility meet professional standards of quality.	F	No	Deficient, Provider has date of correction	13 December 2019
16 October 2019	Health	F 0689	Quality of Life and Care Deficiencies	Ensure that a nursing home area is free from accident hazards and provides adequate supervision to prevent accidents.	D	No	Deficient, Provider has date of correction	14 January 2020
16 October 2019	Health	F 0692	Quality of Life and Care Deficiencies	Provide enough food/fluids to maintain a resident's health.	G	No	Deficient, Provider has date of correction	13 December 2019
16 October 2019	Health	F 0697	Quality of Life and Care Deficiencies	Provide safe, appropriate pain management for a resident who requires such services.	G	No	Deficient, Provider has date of correction	13 December 2019
16 October 2019	Health	F 0700	Quality of Life and Care Deficiencies	Try different approaches before using a bed rail. If a bed rail is needed, the facility must (1) assess a resident for safety risk; (2) review these risks and benefits with the resident/representative; (3) get informed consent; and (4) Correctly install and maintain the bed rail.	E	No	Deficient, Provider has date of correction	14 January 2020
16 October 2019	Health	F 0725	Nursing and Physician Services Deficiencies	Provide enough nursing staff every day to meet the needs of every resident; and have a licensed nurse in charge on each shift.	E	No	Deficient, Provider has date of correction	13 December 2019
16 October 2019	Health	F 0755	Pharmacy Service Deficiencies	Provide pharmaceutical services to meet the needs of each resident and employ or obtain the services of a licensed pharmacist.	E	No	Deficient, Provider has date of correction	13 December 2019
16 October 2019	Health	F 0812	Nutrition and Dietary Deficiencies	Procure food from sources approved or considered satisfactory and store, prepare, distribute and serve food in accordance with professional standards.	F	No	Deficient, Provider has date of correction	13 December 2019
16 October 2019	Health	F 0842	Resident Assessment and Care Planning Deficiencies	Safeguard resident-identifiable information and/or maintain medical records on each resident that are in accordance with accepted professional standards.	D	No	Deficient, Provider has date of correction	13 December 2019
16 October 2019	Health	F 0880	Infection Control Deficiencies	Provide and implement an infection prevention and control program.	E	No	Deficient, Provider has date of correction	13 December 2019
16 October 2019	Health	F 0881	Infection Control Deficiencies	Implement a program that monitors antibiotic use.	F	No	Deficient, Provider has date of correction	13 December 2019
16 October 2019	Health	F 0908	Environmental Deficiencies	Keep all essential equipment working safely.	D	No	Deficient, Provider has date of correction	13 December 2019
16 October 2019	Health	F 0926	Environmental Deficiencies	Have policies on smoking.	D	No	Deficient, Provider has date of correction	13 December 2019

From the Care Compare health citations file NH_HealthCitations_Aug2026.csv, processed on 1 August 2026.

Penalties

Penalty date	Type	Fine amount	Payment denial began	Payment denial, days	Fine ID
15 April 2026	Fine	$13,065			138971

From the Care Compare penalties file NH_Penalties_Aug2026.csv, processed on 1 August 2026.

Care Compare provider information

Field	As filed
Provider Type	Medicare and Medicaid
Ownership Type	For profit - Individual
Legal Business Name	SONOMA VALLEY HEALTH CARE DISTRICT
Date First Approved to Provide Medicare and Medicaid Services	1986-12-19
Provider Resides in Hospital	Y
Continuing Care Retirement Community	N
Urban	Y
County/Parish	Sonoma
Telephone Number	7079355122
Provider Changed Ownership in Last 12 Months	N
With a Resident and Family Council	Resident
Automatic Sprinkler Systems in All Required Areas	Yes
Number of Certified Beds	27
Average Number of Residents per Day	26.0
Overall Rating	3
Health Inspection Rating	2
QM Rating	5
Long-Stay QM Rating	5
Short-Stay QM Rating	5
Processing Date	2026-08-01

From the Care Compare Provider Information file NH_ProviderInfo_Aug2026.csv, processed on 1 August 2026.

Get an email when this record changes

One email a day naming what moved on VALLEY OF THE MOON POST ACUTE: the field, the value before, the value after, and the date of the file that first showed it.

The facility alert follows this one record: a cost report filed or a figure on one changed, an inspection, a deficiency or a penalty recorded, an owner added or removed. The certification number arrives filled in.

On 1 October 2025: FE SENDAYDIEGO no longer appears as W-2 MANAGING EMPLOYEE in the Medicare enrollment ownership file. That is one line of the alert.

What the alerts are, and what a day of them looks like, is on the alerts page.

See a sample

Following a list of facilities? The portfolio watch follows up to 100 certification numbers you name, on one subscription — on the alerts page.

The citable document for VALLEY OF THE MOON POST ACUTE

This page shows the record as it stands today. The report is the citable document: the same figures with the cell each came from, and beyond this page — five facilities of a similar size in California at the same fiscal year, listed by name; every change on the record rather than the recent ones below; the inspection and staffing history in blocks of their own; and a citation block naming every CMS file it was read from.

Read the citable document for this facility →

Every figure on this page is printed as it appears in the CMS file named beside it. A figure that does not match its file? Tell us on the corrections page, quoting certification number 555258.