Nantucket Cottage Hospital
Nantucket Cottage Hospital is a Medicare-certified dialysis facility in NANTUCKET, MA, identified by CMS Certification Number 222315. CMS assigns it a Not yet rated rating. Fonteum publishes provenance-tracked CMS quality data for this facility, each traced to the CMS Care Compare Dialysis dataset (23ew-n7w9).
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: CMS Care Compare Dialysis Facility (23ew-n7w9) · View on Medicare.gov
What quality data does CMS publish for Nantucket Cottage Hospital?
Fonteum publishes CMS Care Compare quality data for Nantucket Cottage Hospital, each field traced to the CMS Care Compare Dialysis dataset (23ew-n7w9) and its reporting period.
How does Fonteum cover dialysis facility 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.
CMS Care Compare · 6 facility types · data.cms.gov · US Government Work
How does Fonteum connect this dialysis facility to its sources?
Nantucket Cottage Hospital (CCN 222315) is identified across CMS Care Compare Dialysis Facility (23ew-n7w9) published on data.cms.gov. Every field on this page is chained to its source dataset and row.
How is this dialysis facility’s data sourced and attested?
Each field on this page is sourced from the CMS Care Compare Dialysis Facility (23ew-n7w9) published on data.cms.gov — a US Government Work. Fonteum re-publishes each value with a provenance record identifying the federal source, release date, and redistribution basis.
- Source acquisition — download the CMS Care Compare Dialysis Facility (23ew-n7w9) file from data.cms.gov.
- Entity resolution — key every row to the dialysis facility’s CMS Certification Number (CCN 222315).
- Field projection — extract the fields shown on this page.
- Quality checks — drop rows CMS suppresses or marks not available.
- Chain attestation — sign each field into the Fonteum provenance graph.
Read the full Fonteum provenance methodology or browse the 23 federal source families behind every page.
Which CMS datasets back this page?
- CMS Care Compare Dialysis Facility (23ew-n7w9) · archived copyCenters for Medicare & Medicaid Services · US Government Work
- Medicare.gov Care Compare — Nantucket Cottage HospitalCenters for Medicare & Medicaid Services · US Government Work
Frequently asked questions
- What is the CMS 5-star rating for Nantucket Cottage Hospital?
- CMS has not published a 5-star rating for Nantucket Cottage Hospital in the current Care Compare snapshot. A rating is assigned only when a facility reports enough quality measures to be scored, so some facilities are unrated.
- Is Nantucket Cottage Hospital chain-owned?
- No. Nantucket Cottage Hospital is an independent (non-chain-owned) facility per the CMS Care Compare Dialysis dataset.
- What dialysis services does Nantucket Cottage Hospital offer?
- Nantucket Cottage Hospital offers the following dialysis services: in-center hemodialysis. Service availability is reported by the facility to CMS and published in the CMS Care Compare Dialysis dataset.
- What is CMS Certification Number 222315?
- The CMS Certification Number (CCN) 222315 is the federal identifier Medicare assigns to Nantucket Cottage Hospital in NANTUCKET, MA. It is unique, federally issued, and links this facility across CMS datasets — including Care Compare, Provider of Services, and cost reports — which is how Fonteum joins Nantucket Cottage Hospital's records.
Related facilities and datasets
Nantucket Cottage Hospital is a Medicare-certified dialysis facility identified by CMS Certification Number 222315. Data sourced from the CMS Care Compare Dialysis Facility (23ew-n7w9) (data.cms.gov), a US Government Work. Methodology · Report an error · Medicare.gov