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πŸ₯ Mammoth Hospital

Mono County Β· HCAI 106260011

85 Sierra Park Road, Mammoth Lakes, CA 93546

Open Β· Hospital facility Β· roster 2026-10-01

Hospital Snapshot

The available data, together. Tap a section to open its history and sources.

↑ Increasing Β· ↓ Decreasing Β· β†’ Stable Β· Provisional = filing still in process

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Trends: ↑ increasing, ↓ decreasing, β†’ stable over the dates shown. Provisional means a filing is still in process.

CMS / CDPH comparisons: ↑ above, ↓ below, ↔ equal to the national number or the source reports no difference. The label identifies which comparison is shown.

β€”: no matched comparison.

πŸ›οΈ Beds & capacity

πŸ₯ HCAI facility licensed beds
17
HCAI facility record Β· checked 2026-10-12
πŸ₯ Reported licensed-bed total
15
2025 reporting scopeQuarterly licensed beds 17 in Q1/Q2 2025, 15 in Q3/Q4 2025, and 17 in Q1 2026; current official facility listing 17. Q1 2026 available/staffed remain 15. Distinct dates and bed meanings retained.
πŸ›οΈ Reported staffed beds
15
2025-10-01–2025-12-31 Β· reporting unitQuarterly licensed beds 17 in Q1/Q2 2025, 15 in Q3/Q4 2025, and 17 in Q1 2026; current official facility listing 17. Q1 2026 available/staffed remain 15. Distinct dates and bed meanings retained.
βš™οΈ Operational beds
β€” UNKNOWN
No matched dated operational-bed count
πŸ›οΈ Reported available beds
15
2025-10-01–2025-12-31 Β· reporting unit Β· historical count
❀️ Licensed ICU beds
2
2024 Β· annual utilization
πŸ‘Ά Licensed NICU beds
0
2024 Β· annual utilization
🀰 Licensed perinatal beds
2
2024 Β· annual utilization
πŸš‘ ED treatment stations
13
December 31, 2024
History & details β†’

πŸš‘ ED & hospital pressure

πŸš‘ ED encounters Β· admitted + non-admitted
10,361
2024 Β· annual utilization↑ Increasing Β· 2022–2024
πŸ›οΈ ED admissions
337
2024 Β· annual utilization
⏱️ Median ED stay · excludes psych / transfers
β€” UNKNOWN
CMS ED stay measure not yet matched
⏱️ Ambulance offload · 90th percentile
8.58 min
Mar 2025 Β· Mammoth Hospital↓ Decreasing Β· Oct 2024–Mar 2025
🚨 Ambulance diversion reported
No
2024 Β· annual utilization
πŸš‘ ED service level
Standby
Official HCAI facility record
πŸ›οΈ Inpatient average stay Β· includes long-term care
β€” UNKNOWN days
undefined Β· excludes nurseryNo value in CNO profile
⏱️ Boarding / wait time
β€” UNKNOWN
Boarding / wait measure not yet added to CNO
History & details β†’

Explore history & sources

Before you take the job

Open details
  1. Charge-nurse patient assignment β€” UNKNOWN Β· charge availability affects every nurse’s backupIs the charge nurse free of a patient assignment on this unit? If not, is it a partial or full assignment, how many patients, and how often? What dedicated RN/LVN support is provided, and who covers charge duties during emergencies?Source β†’
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πŸ‘₯ Turnover & working conditions

Open details

Who stays? Who leaves?

Acute-hospital RN turnover
β€” UNKNOWN
No matched RN-specific turnover record
RN vacancies
β€” UNKNOWN
No dated RN vacancy count
Pay, overtime, orientation & contract
RN overtime
UNKNOWN β€” no matched RN-specific hours
Current RN wage scale
UNKNOWN β€” no matched current scale
Orientation
UNKNOWN β€” no matched unit policy
Contract provisions
UNKNOWN β€” no executed local contract reviewed
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πŸ“ˆ Workload & patient demand

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πŸ“ˆ Workload, Staffing & Capacity

2022–2024: ED encounters increased from 8,194 to 10,361.

πŸš‘ ED activity Β· ↑ 26.4%

ED history & measures β†’ Β· πŸ”Ž Sources β†’
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πŸ‘©β€βš•οΈ RN Staffing

Open details
Annual RN labor inputs Β· all retained years
Annual financial reporting unit Β· source-reported inputs
Reporting periodProductive RN hoursContract RN hoursPatient daysFiling statusSource
2021-07-01–2022-06-3090,90211,2631,409AuditedPreserved fileAPI record ID 235
2022-07-01–2023-06-3090,1171991,200AuditedPreserved fileAPI record ID 235
2023-07-01–2024-06-3092,90301,243AuditedPreserved fileHADR 01-01-2024 to 12-31-2024 row 233
Full source records & reporting scope β†’
πŸ”Ž Records & complete history β†’
Reporting-unit RN hours / patient day
β€” UNDER REVIEW
2023-07-01–2024-06-30Outlier Β· review pending
Outlier Β· review pending
92,903 RN hours Γ· 1,243 patient days
3.4 patient days per reporting day
Productive RN hours
92,903
2023-07-01–2024-06-30
RN-only FTEs Β· productive, calculated
44.66
2023-07-01–2024-06-30 Β· productive RN hours Γ· 2,080
πŸ“ˆ RN hours per patient day Β· annual reports
RN hours per patient day Β· annual reports Β· RN hours / patient day
PeriodRN hours / patient day
202264.52
202375.1
202474.74

2022–2024 pattern: RN hours per patient day went from 64.52 to 74.74.

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✈️ Travelers / Agency Nursing

Open details
πŸ”Ž Records & complete history β†’
Contract RN hours / reported nursing hours
0.0%
2024↓ Decreasing Β· 2018–2019 to 2024
Contract RN hours
0
2024
πŸ“ˆ Contract RN share of nursing hours
Contract RN share of nursing hours Β· % Β· reported contract RN share
Period% Β· reported contract RN share
2018–2019 baseline6.71
20240

2024 contract RN share was 6.7 percentage points below the 2018–2019 baseline.

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πŸ›οΈ Beds & Capacity

Open details

Which kind of bed capacity is reported?

What do these bed counts mean?
πŸ₯ Licensed
Authorized bed capacity under the facility license.
πŸ›οΈ Staffed
Beds the hospital reports having personnel to operate during the reporting period.
βš™οΈ Operational
Beds open and equipped for patient care at a stated time.
πŸ“‹ Reported available
The source’s available-bed count for its dated reporting period. Live availability means an empty, staffed bed ready to accept a patient now.
Quarterly beds and workload Β· 5 retained reporting periods
HCAI 106260011 Β· dated quarterly reporting unit
Reporting periodLicensed bedsAvailable bedsStaffed bedsPatient daysOutpatient visitsSource
2025-Q12025-01-01–2025-03-3117171739727,180Preserved fileAPI record 234
2025-Q22025-04-01–2025-06-3017171732529,004Preserved fileAPI record 232
2025-Q32025-07-01–2025-09-3015151534335,294Preserved fileAPI record 231
2025-Q42025-10-01–2025-12-3115151525827,744Preserved fileAPI record 230
2026-Q12026-01-01–2026-03-3117151535329,503Preserved fileAPI record 230

85 SIERRA PARK ROAD, MAMMOTH LAKES 93546 Β· reported facility address Β· 2026-Q1

Full records & official source links β†’
πŸ”Ž Records & complete history β†’
πŸ₯ HCAI facility licensed beds
17
HCAI facility record Β· checked 2026-10-12
πŸ₯ Reported licensed-bed total
15
2025 reporting scopeQuarterly licensed beds 17 in Q1/Q2 2025, 15 in Q3/Q4 2025, and 17 in Q1 2026; current official facility listing 17. Q1 2026 available/staffed remain 15. Distinct dates and bed meanings retained.
πŸ›οΈ Reported staffed beds
15
2025-10-01–2025-12-31 Β· reporting unitQuarterly licensed beds 17 in Q1/Q2 2025, 15 in Q3/Q4 2025, and 17 in Q1 2026; current official facility listing 17. Q1 2026 available/staffed remain 15. Distinct dates and bed meanings retained.
βš™οΈ Operational beds
β€” UNKNOWN
No matched dated operational-bed count
πŸ›οΈ Reported available beds
15
2025-10-01–2025-12-31 Β· reporting unit Β· historical count
❀️ Licensed ICU beds
2
2024 Β· annual utilization
πŸ‘Ά Licensed NICU beds
0
2024 Β· annual utilization
🀰 Licensed perinatal beds
2
2024 Β· annual utilization
πŸš‘ ED treatment stations
13
December 31, 2024
πŸ“ˆ Licensed specialty-bed history
Licensed beds Β· annual utilization
Licensed beds202220232024
❀️ ICU222
πŸ‘Ά NICU000
🀰 Perinatal222
πŸ“ˆ ED treatment stations Β· December 31
ED treatment stations Β· December 31 Β· Stations
PeriodStations
202213
202313
202413
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πŸš‘ ED & Hospital Pressure

Open details
πŸ”Ž Records & complete history β†’
πŸš‘ ED encounters Β· admitted + non-admitted
10,361
2024 Β· annual utilization↑ Increasing Β· 2022–2024
πŸ›οΈ ED admissions
337
2024 Β· annual utilization
⏱️ Median ED stay · excludes psych / transfers
β€” UNKNOWN
CMS ED stay measure not yet matched
⏱️ Ambulance offload · 90th percentile
8.58 min
Mar 2025 Β· Mammoth Hospital↓ Decreasing Β· Oct 2024–Mar 2025
🚨 Ambulance diversion reported
No
2024 Β· annual utilization
πŸš‘ ED service level
Standby
Official HCAI facility record
πŸ›οΈ Inpatient average stay Β· includes long-term care
β€” UNKNOWN days
undefined Β· excludes nurseryNo value in CNO profile
⏱️ Boarding / wait time
β€” UNKNOWN
Boarding / wait measure not yet added to CNO
πŸ“ˆ Ambulance offload Β· 90th percentile Β· Oct 2024–Mar 2025
Ambulance offload Β· 90th percentile Β· Oct 2024–Mar 2025 Β· Minutes
PeriodMinutes
Oct 20248.65
Nov 20249.48
Dec 202410
Jan 20259.15
Feb 20259.57
Mar 20258.58
πŸ“ˆ ED encounters Β· admitted + non-admitted
ED encounters Β· admitted + non-admitted Β· Encounters
PeriodEncounters
20228,194
202310,265
202410,361
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πŸ”„ Services & Changes

Open details

πŸ”Ž Sources

Open details
  • HCAI facility roster Β· 2026-10-01 Β· source row 225 Β· Retained roster
  • Download this hospital’s retained records and history (JSON)HCAI 106260011 Β· dates, source locators and original values included
  • RN labor and workload Β· records & history

    RN trend comparison: eligible. Contract-share trend comparison: not included.

    2022 Β· 2021-07-01–2022-06-30 Β· Audited

    Download preserved source Β· Official source Β· API record ID 235

    Retained record fields
    FieldValue
    year2022
    begin2021-07-01
    end2022-06-30
    reportDays365
    filingAudited
    typeComparable
    sourceRecord235
    nameMAMMOTH HOSPITAL
    countyMono
    rnHours90902
    patientDays1409
    ratio64.5152590489709
    components
    Open components
    Retained record fields
    FieldValue
    PRD_HR_RN90902
    PRD_HR_LVN6604
    PRD_HR_AID42145
    CNT_HR_RN11263
    nursingHours150914
    contractShare0.07463190956438766
    careDays
    Open careDays
    Retained record fields
    FieldValue
    DAY_ACUTE1409
    DAY_PSYCH0
    DAY_CHEM0
    DAY_REHAB0
    DAY_LTC0
    DAY_RESDNT0
    2023 Β· 2022-07-01–2023-06-30 Β· Audited

    Download preserved source Β· Official source Β· API record ID 235

    Retained record fields
    FieldValue
    year2023
    begin2022-07-01
    end2023-06-30
    reportDays365
    filingAudited
    typeComparable
    sourceRecord235
    nameMAMMOTH HOSPITAL
    countyMono
    rnHours90117
    patientDays1200
    ratio75.0975
    components
    Open components
    Retained record fields
    FieldValue
    PRD_HR_RN90117
    PRD_HR_LVN8905
    PRD_HR_AID36267
    CNT_HR_RN199
    nursingHours135488
    contractShare0.001468764761454889
    careDays
    Open careDays
    Retained record fields
    FieldValue
    DAY_ACUTE1200
    DAY_PSYCH0
    DAY_CHEM0
    DAY_REHAB0
    DAY_LTC0
    DAY_RESDNT0
    2024 Β· 2023-07-01–2024-06-30 Β· Audited

    Download preserved source Β· Official source Β· HADR 01-01-2024 to 12-31-2024 row 233

    Retained record fields
    FieldValue
    year2024
    begin2023-07-01
    end2024-06-30
    reportDays366
    filingAudited
    typeComparable
    sourceRecord233
    nameMAMMOTH HOSPITAL
    countyMono
    rnHours92903
    patientDays1243
    ratio74.74094931617056
    components
    Open components
    Retained record fields
    FieldValue
    PRD_HR_RN92903
    PRD_HR_LVN7965
    PRD_HR_AID46477
    CNT_HR_RN0
    nursingHours147345
    contractShare0
    careDays
    Open careDays
    Retained record fields
    FieldValue
    DAY_ACUTE1243
    DAY_PSYCH0
    DAY_CHEM0
    DAY_REHAB0
    DAY_LTC0
    DAY_RESDNT0
    Current CNO profile record Β· reported labor fieldsPreserved 2024 financial workbook
    Retained record fields
    FieldValue
    rnHours92903
    contractHours0
    contractShare0
    rnPerPatientDay74.74095
    baseline0.06707
    historyUNIQUE
    filingAudited
  • Beds and capacity Β· records & history
    Official facility identity, campus scope & licensed beds Β· 2026-10-01Official HCAI roster Β· Retained source Β· row 225
    Retained record fields
    FieldValue
    officialNameMAMMOTH HOSPITAL
    countyMono
    cityMAMMOTH LAKES
    address85 SIERRA PARK ROAD
    zip93546
    levelParent Facility
    categoryGeneral Acute Care Hospital
    statusOpen
    statusEffective1978-02-10
    licensedBeds17
    erServiceLevelEmergency - Standby
    licenseNumber240000008
    rosterDate2026-10-01
    checkedOn2026-10-12
    sourceRow225
    officialUrlhttps://data.chhs.ca.gov/dataset/licensed-healthcare-facility-listing
    sourceFile/downloads/coverage/hcai-current-20261001.json.gz
    aliases
    Open aliases
    Record 1MAMMOTH HOSPITAL
    parentIdβ€” UNKNOWN
    parentNameβ€” UNKNOWN
    cdphFacilityTypeGENERAL ACUTE CARE HOSPITAL
    crosswalkRows
    Open crosswalkRows
    Record 1
    Retained record fields
    FieldValue
    _id3194
    LICENSED_CERTIFIEDLICENSED AND CERTIFIED
    ELMS_FACID240000005
    LICENSE_NUMBER240000008
    LICENSE_STATUS_DESCRIPTIONACTIVE
    PERM_ID14304
    HCAI_ID106260011
    ASPEN_FACIDCA240000005
    CCN051303
    NPI1962444059
    ASPEN_STATUSACTIVE
    FACNAMEMAMMOTH HOSPITAL
    FAC_TYPE_DESCRIPTIONGENERAL ACUTE CARE HOSPITAL
    FAC_FDRGENERAL ACUTE CARE HOSPITAL
    FAC_FAC_RELATIONSHIPParent
    ELMS_PARENT_FACIDβ€” UNKNOWN
    addedByCoverageAuditfalse
    2025-Q1 Β· 2025-01-01–2025-03-31 Β· quarterly record 234

    Download preserved source Β· Official source

    Retained record fields
    FieldValue
    period2025-q1
    begin2025-01-01
    end2025-03-31
    sourceRecord234
    sourceFile/downloads/deep-review/qfu-2025-q1.json.gz
    sourceUrlhttps://data.chhs.ca.gov/api/3/action/datastore_search?resource_id=6e956cf6-5ced-4f4d-9cfd-0eb709b02cc3&limit=10000
    nameMAMMOTH HOSPITAL
    address85 SIERRA PARK ROAD
    cityMAMMOTH LAKES
    zip93546
    operationStatusOpen
    licensedBeds17
    availableBeds17
    staffedBeds17
    patientDays397
    outpatientVisits27180
    conflictβ€” UNKNOWN
    raw
    Open raw
    Retained record fields
    FieldValue
    FAC_NO106260011
    YEAR_QTR20251
    BEG_DATE01/01/2025
    END_DATE03/31/2025
    LIC_BEDS17
    AVL_BEDS17
    STF_BEDS17
    DAY_TOT397
    VIS_TOT27180
    2025-Q2 Β· 2025-04-01–2025-06-30 Β· quarterly record 232

    Download preserved source Β· Official source

    Retained record fields
    FieldValue
    period2025-q2
    begin2025-04-01
    end2025-06-30
    sourceRecord232
    sourceFile/downloads/deep-review/qfu-2025-q2.json.gz
    sourceUrlhttps://data.chhs.ca.gov/api/3/action/datastore_search?resource_id=f902f922-6806-49c4-bfed-b1dadaab3cc1&limit=10000
    nameMAMMOTH HOSPITAL
    address85 SIERRA PARK ROAD
    cityMAMMOTH LAKES
    zip93546
    operationStatusOpen
    licensedBeds17
    availableBeds17
    staffedBeds17
    patientDays325
    outpatientVisits29004
    conflictβ€” UNKNOWN
    raw
    Open raw
    Retained record fields
    FieldValue
    FAC_NO106260011
    YEAR_QTR20252
    BEG_DATE04/01/2025
    END_DATE06/30/2025
    LIC_BEDS17
    AVL_BEDS17
    STF_BEDS17
    DAY_TOT325
    VIS_TOT29004
    2025-Q3 Β· 2025-07-01–2025-09-30 Β· quarterly record 231

    Download preserved source Β· Official source

    Retained record fields
    FieldValue
    period2025-q3
    begin2025-07-01
    end2025-09-30
    sourceRecord231
    sourceFile/downloads/deep-review/qfu-2025-q3.json.gz
    sourceUrlhttps://data.chhs.ca.gov/api/3/action/datastore_search?resource_id=15939e50-5c82-46af-9653-d40a5458dc26&limit=10000
    nameMAMMOTH HOSPITAL
    address85 SIERRA PARK ROAD
    cityMAMMOTH LAKES
    zip93546
    operationStatusOpen
    licensedBeds15
    availableBeds15
    staffedBeds15
    patientDays343
    outpatientVisits35294
    conflictβ€” UNKNOWN
    raw
    Open raw
    Retained record fields
    FieldValue
    FAC_NO106260011
    YEAR_QTR20253
    BEG_DATE07/01/2025
    END_DATE09/30/2025
    LIC_BEDS15
    AVL_BEDS15
    STF_BEDS15
    DAY_TOT343
    VIS_TOT35294
    2025-Q4 Β· 2025-10-01–2025-12-31 Β· quarterly record 230

    Download preserved source Β· Official source

    Retained record fields
    FieldValue
    period2025-q4
    begin2025-10-01
    end2025-12-31
    sourceRecord230
    sourceFile/downloads/deep-review/qfu-2025-q4.json.gz
    sourceUrlhttps://data.chhs.ca.gov/api/3/action/datastore_search?resource_id=8a512ca9-560e-4fcc-9c57-c928c874231b&limit=10000
    nameMAMMOTH HOSPITAL
    address85 SIERRA PARK ROAD
    cityMAMMOTH LAKES
    zip93546
    operationStatusOpen
    licensedBeds15
    availableBeds15
    staffedBeds15
    patientDays258
    outpatientVisits27744
    conflictβ€” UNKNOWN
    raw
    Open raw
    Retained record fields
    FieldValue
    FAC_NO106260011
    YEAR_QTR20254
    BEG_DATE10/01/2025
    END_DATE12/31/2025
    LIC_BEDS15
    AVL_BEDS15
    STF_BEDS15
    DAY_TOT258
    VIS_TOT27744
    2026-Q1 Β· 2026-01-01–2026-03-31 Β· quarterly record 230

    Download preserved source Β· Official source

    Retained record fields
    FieldValue
    period2026-q1
    begin2026-01-01
    end2026-03-31
    sourceRecord230
    sourceFile/downloads/deep-review/qfu-2026-q1.json.gz
    sourceUrlhttps://data.chhs.ca.gov/api/3/action/datastore_search?resource_id=46f2a36e-e0ca-4509-a89a-2083e356169d&limit=10000
    nameMAMMOTH HOSPITAL
    address85 SIERRA PARK ROAD
    cityMAMMOTH LAKES
    zip93546
    operationStatusOpen
    licensedBeds17
    availableBeds15
    staffedBeds15
    patientDays353
    outpatientVisits29503
    conflictβ€” UNKNOWN
    raw
    Open raw
    Retained record fields
    FieldValue
    FAC_NO106260011
    YEAR_QTR20261
    BEG_DATE01/01/2026
    END_DATE03/31/2026
    LIC_BEDS17
    AVL_BEDS15
    STF_BEDS15
    DAY_TOT353
    VIS_TOT29503

    Official facility record Β· checked 2026-10-12

    Retained record fields
    FieldValue
    licensedBeds15
    staffedBeds15
    availableBeds15
    reportingYear2025
    scopeWorkforce reporting year 2024; capacity reporting year 2025; not a same-period state assessment.
    Licensed beds by care type Β· 2022 Β· 2022-01-01–2022-12-31Preserved utilization workbook Β· Page 1-6 Β· row 221
    Retained record fields
    FieldValue
    year2022
    begin2022-01-01
    end2022-12-31
    operatedYes
    beds
    Open beds
    Retained record fields
    FieldValue
    acute17
    psychiatric0
    chemical0
    skilledNursing0
    intermediateCare0
    developmentalCare0
    total17
    sourceRow221
    sourceIdAUR-2022
    Licensed beds by care type Β· 2023 Β· 2023-01-01–2023-12-31Preserved utilization workbook Β· Page 1-6 Β· row 223
    Retained record fields
    FieldValue
    year2023
    begin2023-01-01
    end2023-12-31
    operatedYes
    beds
    Open beds
    Retained record fields
    FieldValue
    acute17
    psychiatric0
    chemical0
    skilledNursing0
    intermediateCare0
    developmentalCare0
    total17
    sourceRow223
    sourceIdAUR-2023
    Licensed beds by care type Β· 2024 Β· 2024-01-01–2024-12-31Preserved utilization workbook Β· Page 1-6 Β· row 223
    Retained record fields
    FieldValue
    year2024
    begin2024-01-01
    end2024-12-31
    operatedYes
    beds
    Open beds
    Retained record fields
    FieldValue
    acute17
    psychiatric0
    chemical0
    skilledNursing0
    intermediateCare0
    developmentalCare0
    total17
    sourceRow223
    sourceIdAUR-2024
    Facility checks and separately scoped bed records
    Retained record fields
    FieldValue
    officialNameMammoth Hospital
    address85 Sierra Park Road, Mammoth Lakes, CA 93546
    officialUrlhttps://hcai.ca.gov/facility/mammoth-hospital/
    licensedBeds17
    edServiceLevelStandby
    facilityStatusOpen
    checkedOn2026-10-12
    capacityConflictQuarterly licensed beds 17 in Q1/Q2 2025, 15 in Q3/Q4 2025, and 17 in Q1 2026; current official facility listing 17. Q1 2026 available/staffed remain 15. Distinct dates and bed meanings retained.
  • ED activity, specialty beds and diversion Β· records & history
    2022 Β· 2022-01-01–2022-12-31

    Download preserved workbook Β· Official source Β· HCAI 106260011 Β· source row 221

    Retained record fields
    FieldValue
    year2022
    begin2022-01-01
    end2022-12-31
    operatedYes
    sourceIdAUR-2022
    sourceRow221
    diversionReportedNo
    icuLicensed2
    nicuLicensed0
    perinatalLicensed2
    edStations13
    edNonAdmitVisits7912
    edAdmissions282
    diversionHoursβ€” UNKNOWN
    2023 Β· 2023-01-01–2023-12-31

    Download preserved workbook Β· Official source Β· HCAI 106260011 Β· source row 223

    Retained record fields
    FieldValue
    year2023
    begin2023-01-01
    end2023-12-31
    operatedYes
    sourceIdAUR-2023
    sourceRow223
    diversionReportedNo
    icuLicensed2
    nicuLicensed0
    perinatalLicensed2
    edStations13
    edNonAdmitVisits9896
    edAdmissions369
    diversionHoursβ€” UNKNOWN
    2024 Β· 2024-01-01–2024-12-31

    Download preserved workbook Β· Official source Β· HCAI 106260011 Β· source row 223

    Retained record fields
    FieldValue
    year2024
    begin2024-01-01
    end2024-12-31
    operatedYes
    sourceIdAUR-2024
    sourceRow223
    diversionReportedNo
    icuLicensed2
    nicuLicensed0
    perinatalLicensed2
    edStations13
    edNonAdmitVisits10024
    edAdmissions337
    diversionHoursβ€” UNKNOWN
    Local ED and average-stay recordsOfficial facility source
    Retained record fields
    FieldValue
    edServiceLevelStandby
    averageStayDaysβ€” UNKNOWN
    averageStayPeriodβ€” UNKNOWN
    edStationsHistoryβ€” UNKNOWN
    diversionHoursHistoryβ€” UNKNOWN
  • Ambulance offload Β· records & history

    Mammoth Hospital Β· CEMSIS 20266 Β· unique normalized hospital / retained CMS name + EMS geography

    Download preserved report Β· Official report

    Record 1 Β· 2024-10
    Retained record fields
    FieldValue
    month2024-10
    minutes8.65
    offloadCountβ€” UNKNOWN
    countPageβ€” UNKNOWN
    rawTime0:08:39
    sourceIdEMSA-APOT-JUNE2025
    page19
    row57
    Record 2 Β· 2024-11
    Retained record fields
    FieldValue
    month2024-11
    minutes9.483333333333333
    offloadCountβ€” UNKNOWN
    countPageβ€” UNKNOWN
    rawTime0:09:29
    sourceIdEMSA-APOT-JUNE2025
    page19
    row57
    Record 3 Β· 2024-12
    Retained record fields
    FieldValue
    month2024-12
    minutes10
    offloadCount91
    countPage43
    rawTime0:10:00
    sourceIdEMSA-APOT-JUNE2025
    page19
    row57
    Record 4 Β· 2025-01
    Retained record fields
    FieldValue
    month2025-01
    minutes9.15
    offloadCount122
    countPage48
    rawTime0:09:09
    sourceIdEMSA-APOT-JUNE2025
    page19
    row57
    Record 5 Β· 2025-02
    Retained record fields
    FieldValue
    month2025-02
    minutes9.566666666666666
    offloadCount108
    countPage53
    rawTime0:09:34
    sourceIdEMSA-APOT-JUNE2025
    page19
    row57
    Record 6 Β· 2025-03
    Retained record fields
    FieldValue
    month2025-03
    minutes8.583333333333334
    offloadCount103
    countPage58
    rawTime0:08:35
    sourceIdEMSA-APOT-JUNE2025
    page19
    row57
  • 2022–2024 annual nursing history Β· source records & calculations
    HCAI 106260011 Β· annual financial reporting unit
    ReportReporting periodProductive RN hoursPatient daysContract RN hoursNursing hours
    20222021-07-01–2022-06-3090,9021,40911,263150,914
    20232022-07-01–2023-06-3090,1171,200199135,488
    20242023-07-01–2024-06-3092,9031,2430147,345

    RN hours per patient day: PRD_HR_RN Γ· DAY_TOT. Contract RN share: CNT_HR_RN Γ· (PRD_HR_RN + PRD_HR_LVN + PRD_HR_AID + CNT_HR_RN).

  • 2024 HCAI selected annual financial reports Β· RN hours and patient-day care mix Β· Preserved workbook
    RN comparison calculation & reporting scope

    Unweighted median of hospital report ratios PRD_HR_RN / DAY_TOT. Middle 50%: inclusive linear-interpolated 25th and 75th percentiles. Same 2024 selected-report file; audited Comparable reports, 365 or 366 days, majority (>50%) patient-day care group, exact unique HCAI IDs, reconciled care-day totals and existing CNO ratio. Includes reported zero RN hours; excludes missing values. No reference for mixed care-day groups or cohorts smaller than eight.

    HCAI 106260011 Β· HADR 01-01-2024 to 12-31-2024 Β· row 233 Β· Audited Β· 2023-07-01–2024-06-30

    Outlier screen: ratio above the care-group upper quartile plus three interquartile ranges.

    Productive RN hours: 92,903 Γ· total patient days: 1,243

    • Acute care: 1,243 patient days
    • Psychiatric: 0 patient days
    • Chemical dependency: 0 patient days
    • Rehabilitation: 0 patient days
    • Long-term care: 0 patient days
    • Residential: 0 patient days
    Source SHA-256: 0fcc4c3c52f335adc63699cf65d5ecbe28b94bb2d20433508cfe799e82541e26
  • Oct 2024–Mar 2025 Β· EMSA ambulance offload history Β· page 19 Β· Preserved report
    Offload hospital identity & source times

    Mammoth Hospital Β· ICEMA Β· CEMSIS 20266 Β· unique normalized hospital / retained CMS name + EMS geography

    • Oct 2024: 0:08:39 Β· 90th percentile Β· β€” UNKNOWN qualifying offloads Β· page 19
    • Nov 2024: 0:09:29 Β· 90th percentile Β· β€” UNKNOWN qualifying offloads Β· page 19
    • Dec 2024: 0:10:00 Β· 90th percentile Β· 91 qualifying offloads Β· page 19 Β· count page 43
    • Jan 2025: 0:09:09 Β· 90th percentile Β· 122 qualifying offloads Β· page 19 Β· count page 48
    • Feb 2025: 0:09:34 Β· 90th percentile Β· 108 qualifying offloads Β· page 19 Β· count page 53
    • Mar 2025: 0:08:35 Β· 90th percentile Β· 103 qualifying offloads Β· page 19 Β· count page 58
  • 2022-01-01–2022-12-31 Β· HCAI licensed specialty beds, ED activity & diversion Β· Preserved file
  • 2023-01-01–2023-12-31 Β· HCAI licensed specialty beds, ED activity & diversion Β· Preserved file
  • 2024-01-01–2024-12-31 Β· HCAI licensed specialty beds, ED activity & diversion Β· Preserved file
  • 2024 contract RN share calculation
    Nursing-hour denominator

    Contract RN hours Γ· (productive RN + productive LVN + productive aide + contract RN hours). HCAI fields: CNT_HR_RN Γ· (PRD_HR_RN + PRD_HR_LVN + PRD_HR_AID + CNT_HR_RN).

  • Productive FTE calculation Β· hours Γ· 2,080
  • HCAI facility identity, licensed beds, ED level & average stay Β· checked 2026-10-12
  • 2024 HCAI annual financial / RN labor
  • 2025 California capacity record
All public source collections β†’
Evidence standards & methodology →↑ Back to snapshot
Research record, provenance & reporting scope
← Return to the statewide directory

Mammoth Hospital

Mono County Β· HCAI 106260011

Profile statusLISTED β€” NOT YET REVIEWEDDescriptive profile Β· two source layers2024 financial filing audited2024 workforce record available2025 capacity record available
What this page can show2024 nursing labor and 2025 capacity, reported separately.

What is reported?

This facility is listed, but its records have not received the additional hospital-specific review shown on reviewed profiles.

Reported RN labor92,903 productive RN hours.
92,903Hospital-wide productive RN hours Β· 2024
Contract RN share0.0% of reported RN labor.
0.0%Agency, registry, or contract RN share Β· 2024
Reported RN intensity74.7 RN hours per patient day.
74.7Hospital-wide annual proxy Β· 2024
Reported capacity15 staffed beds.
15 β†’ 15Available β†’ staffed beds Β· 2025

Where the numbers came from.

What changed in patient demand, staffed capacity, and permanent RN coverage during the same reporting periodβ€”and what happened on my unit?