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Compliance posture

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Reviewed by Jennifer Montecillo, MD, medical reviewer. Non-practicing medical reviewer.

© 2026 Fonteum, Inc. All rights reserved.

The U.S. healthcare graph AI can cite — every fact carries its source.

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Fonteum Care Compare · Acute Care - Department of Defense · CCN 05041F

Weed Ach (ft Irwin)

Acute Care - Department of Defense · Fort Irwin, CA

Entity nameWeed Ach (ft Irwin)
CMS Healthcare Associated Infections 2026-04-28 · 2026-05-07
CCN05041F
CMS Healthcare Associated Infections 2026-04-28 · 2026-05-07
TypeAcute Care - Department of Defense
CMS Healthcare Associated Infections 2026-04-28 · 2026-05-07
LocationFort Irwin, CA
CMS Healthcare Associated Infections 2026-04-28 · 2026-05-07
OwnershipDepartment of Defense
CMS Hospital General Info · 2026-05-07
Emergency servicesYes
CMS Hospital General Info · 2026-05-07
CCN 05041FAcute Care - Department of DefenseUpdated 2026-05-07
CMS-attested · 05041FSee the proof → Differ

Weed Ach (ft Irwin) is a Medicare-certified hospital (Acute Care - Department of Defense) in Fort Irwin, CA, identified by CMS Certification Number 05041F. CMS has not assigned an overall star rating in the current snapshot. Fonteum publishes 9 provenance-tracked CMS quality measures for this hospital, each signed to its primary federal dataset as of Q2 2026.

Fonteum is a US healthcare provenance registry that publishes signed, chain-of-custody-attested research and data pages on Medicare, Medicaid, and federal regulator datasets, drawing from 23 federal source families across CMS, OIG, HRSA, AHRQ, and HHS.

Data last updated: 2026-05-07 · Source: Multiple CMS Care Compare datasets · View on Medicare.gov

Reviewed by Jennifer Montecillo, MD, medical reviewer. Non-practicing medical reviewer. Last reviewed: June 2026 · Next review: December 2026. This page is data-led and informational; it reports CMS measures and their provenance, not clinical guidance.

What are the infection rates at Weed Ach (ft Irwin)?

CMS publishes 3 healthcare-associated infections measures for Weed Ach (ft Irwin), each chained to its source row and reporting period Q2 2026.

Clostridium Difficile (C.Diff): Observed Cases0
CMS Healthcare Associated Infections 2026-04-28 · 2026-05-07
Clostridium Difficile (C.Diff): Patient Days602
CMS Healthcare Associated Infections 2026-04-28 · 2026-05-07
Clostridium Difficile (C.Diff): Predicted Cases0.078
CMS Healthcare Associated Infections 2026-04-28 · 2026-05-07

How timely and effective is care at Weed Ach (ft Irwin)?

CMS publishes 3 timely and effective care measures for Weed Ach (ft Irwin), each chained to its source row and reporting period Q2 2026.

Average (median) time patients spent in the emergency department before leaving from the visit, excluding patients transferred to another facility or psychiatric care/mental health patients. A lower number of minutes is better126
CMS Timely and Effective Care 2026-04-28 · 2026-05-07
Emergency department volumelow
CMS Timely and Effective Care 2026-04-28 · 2026-05-07
Left before being seen1%
CMS Timely and Effective Care 2026-04-28 · 2026-05-07

How does Fonteum cover hospital quality data?

Fonteum indexes quality data from 23 federal source families, including all six CMS Care Compare facility programs. Each CCN is keyed to its primary CMS dataset — every field traced to a source row and reporting period.

Facility typeCCNsSource
Hospitals6,019CMS Care Compare
Home Health12,392CMS hah8-mnua
Hospice6,943CMS yc9t-dgbk
Dialysis7,557CMS 23ew-n7w9
ASC5,611CMS 4jcv-atw7
IRF / LTACH1,538CMS CC (data-only)
40,060 total CCN-keyed facilities (6 program types) · CMS Care CompareCMS Care Compare →

CMS Care Compare · 6 facility types · data.cms.gov · US Government Work

How does Fonteum connect this hospital to its sources?

Weed Ach (ft Irwin) (CCN 05041F) is identified across 3 CMS Care Compare datasets published on data.cms.gov. Every field on this page is chained to its source dataset and row.

05041FCMS Healthcadata.cms.gov

Trace this CCN across 23 federal datasets →

How is this hospital’s data sourced and attested?

Each field on this page is sourced from 3 CMS Care Compare datasets published on data.cms.gov — US Government Works. Fonteum re-publishes each value with a provenance record identifying the federal source, release date, and redistribution basis.

  1. Source acquisition — download the CMS Care Compare files (3 datasets) from data.cms.gov.
  2. Entity resolution — key every row to the hospital’s CMS Certification Number (CCN 05041F).
  3. Field projection — extract the fields shown on this page.
  4. Quality checks — drop rows CMS suppresses or marks not available.
  5. Chain attestation — sign each field into the Fonteum provenance graph.
Source: CMS Healthcare Associated Infections 2026-04-28·Snapshot: 2026-05-07·Method: hospital-detail/v1·ID: CCN 05041F

Read the full Fonteum provenance methodology or browse the 23 federal source families behind every page.

Which CMS datasets back this page?

  • CMS Healthcare Associated Infections 2026-04-28 · archived copy
    Centers for Medicare & Medicaid Services · US Government Work
  • Medicare.gov Care Compare — Weed Ach (ft Irwin)
    Centers for Medicare & Medicaid Services · US Government Work
  • CMS Hospital General Information 2026-04-28
    Centers for Medicare & Medicaid Services · US Government Work
  • CMS Timely and Effective Care 2026-04-28
    Centers for Medicare & Medicaid Services · US Government Work

Frequently asked questions

What is the CMS overall star rating for Weed Ach (ft Irwin)?
CMS has not published an overall star rating for Weed Ach (ft Irwin) in the current Care Compare snapshot. A rating is assigned only when a hospital reports enough measures across the five CMS measure groups to be scored, so smaller or specialty facilities are often unrated.
Who owns Weed Ach (ft Irwin)?
Weed Ach (ft Irwin) is classified by CMS as "Department of Defense". Ownership type is reported by the hospital to CMS and published in the Hospital General Information dataset; it describes the controlling entity, not the quality of care, which Fonteum reports separately and traces to each source row.
How many CMS quality measures does Fonteum track for Weed Ach (ft Irwin)?
Fonteum publishes 9 CMS quality measures for Weed Ach (ft Irwin) across 2 groups — healthcare-associated infections, timely and effective care. Every measure is a separate provenance claim signed to the CMS dataset, reporting period, and source row it was asserted from, and is hover-traceable on this page.
Where does Weed Ach (ft Irwin)'s quality data come from?
Weed Ach (ft Irwin)'s data is drawn directly from 3 primary CMS Care Compare datasets published on data.cms.gov, including patient survey, mortality, readmission, complication, infection, and timely-care files. Fonteum re-publishes each value with a chained 14-field provenance record rather than an aggregated score.
What does CMS Certification Number 05041F identify?
The CMS Certification Number (CCN) 05041F is the federal identifier Medicare assigns to Weed Ach (ft Irwin). It is unique, dated, and federally issued, and it links this hospital across every CMS dataset — cost reports, Care Compare quality files, and the Provider of Services file — which is how Fonteum joins Weed Ach (ft Irwin)'s records.
Does Weed Ach (ft Irwin) provide emergency services?
Yes. CMS records that Weed Ach (ft Irwin) provides emergency services, per the Hospital General Information dataset as of Q2 2026. Emergency-service status indicates the hospital operates an emergency department; it is reported by the hospital to CMS and chained to its source row on this page.

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Weed Ach (ft Irwin) is a Medicare-certified hospital identified by CMS Certification Number 05041F. Data sourced from the CMS Healthcare Associated Infections 2026-04-28 (data.cms.gov), a US Government Work. Methodology · Report an error · Medicare.gov

Compliance posture

Methodology · Corrections log · Editorial policy