BY THE BAY HEALTH
BY THE BAY HEALTH is a Medicare-certified home health agency in LARKSPUR, CA (CCN 557798). CMS assigns it a 3.5-star quality of patient care rating. Fonteum publishes CMS Care Compare data for this agency, each chained to its primary federal dataset.
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 Home Health Agency (6jpm-sxkc) · View on Medicare.gov
What CMS quality data does Fonteum publish for BY THE BAY HEALTH?
Fonteum publishes CMS Care Compare quality data for BY THE BAY HEALTH, each field traced to the CMS Care Compare Home Health dataset (6jpm-sxkc).
How does Fonteum cover home health agency 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 home health agency to its sources?
BY THE BAY HEALTH (CCN 557798) is identified across CMS Care Compare Home Health Agency (6jpm-sxkc) published on data.cms.gov. Every field on this page is chained to its source dataset and row.
How is this home health agency’s data sourced and attested?
Each field on this page is sourced from the CMS Care Compare Home Health Agency (6jpm-sxkc) 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 Home Health Agency (6jpm-sxkc) file from data.cms.gov.
- Entity resolution — key every row to the home health agency’s CMS Certification Number (CCN 557798).
- 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 Home Health Agency (6jpm-sxkc) · archived copyCenters for Medicare & Medicaid Services · US Government Work
- Medicare.gov Care Compare — BY THE BAY HEALTHCenters for Medicare & Medicaid Services · US Government Work
Frequently asked questions
- What is the CMS quality star rating for BY THE BAY HEALTH?
- BY THE BAY HEALTH holds a CMS quality of patient care star rating of 3.5 out of 5. CMS calculates this rating from quality measures reported by the agency and published in the CMS Care Compare program. Ratings range from 1 (below average) to 5 (above average) and are updated as CMS refreshes the Care Compare dataset.
- What services does BY THE BAY HEALTH offer?
- According to CMS Care Compare data, BY THE BAY HEALTH offers the following services: nursing care, physical therapy, occupational therapy, speech pathology, medical social services, home health aide services. Service availability is reported by the agency to CMS and is subject to change between snapshot refreshes.
- Who owns BY THE BAY HEALTH?
- BY THE BAY HEALTH is classified by CMS as "NON-PROFIT" ownership. Ownership type is self-reported by the agency to CMS and published in the Care Compare dataset; it describes the controlling entity, not the quality of care, which Fonteum reports separately.
- What does CMS Certification Number 557798 identify?
- The CMS Certification Number (CCN) 557798 is the federal identifier assigned by Medicare to BY THE BAY HEALTH in LARKSPUR, CA. It is unique, federally issued, and links this agency across every CMS dataset — Care Compare quality files, the Provider of Services file, and related program records.
Related facilities and datasets
BY THE BAY HEALTH is a Medicare-certified home health agency identified by CMS Certification Number 557798. Data sourced from the CMS Care Compare Home Health Agency (6jpm-sxkc) (data.cms.gov), a US Government Work. Methodology · Report an error · Medicare.gov