Built on the authoritative federal record
The primary sources, named on every page.
These are the federal agencies whose public datasets Fonteum ingests and attributes — the issuing authorities, not customers or partners. Every figure on the site links back to one of them.
See the full source registry, with license and refresh cadence for each →
Reproducible by design
Every figure traces to its federal source.
14-tuple provenance
Every rendered fact ties to a source URL, dataset ID, snapshot date, row key, and SHA-256 — the full chain-of-custody record.
Reproducible SQL
Each study ships the exact query behind its figures, run against the cited federal snapshot. Re-run it yourself.
Daily count checks
Published counts are checked against the upstream federal datasets on a daily cadence, with drift logged.
Named medical review
Reviewed by Jennifer Montecillo, MD, medical reviewer. Non-practicing medical reviewer.
Two doors
Use the free API and open data
Query providers, facilities, sanctions, and quality scores — each field carrying its federal source. Self-serve, no call to start.
Talk to us
Managed pilots, enterprise terms, and audit-ready, signed attestation packages for compliance, risk, and research teams.
The substrate, by the numbers
GLBESC LLC DBA MEMORIALCARE OUTPATIENT SURGICAL CENTER LONG BEACH is a Medicare-certified ambulatory surgical center in LONG BEACH, CA (CCN 05C0002207). NPI 1609253392 links this facility deterministically to NPPES and other federal datasets. Quality data is from reporting year 2024. Fonteum publishes CMS Care Compare ASC quality measures for this facility, each sourced directly from the CMS Provider Data Catalog.
Fonteum is a US public-records evidence platform spanning healthcare, federal procurement, and sanctions and watchlist data, publishing signed, chain-of-custody-attested research and data pages drawn from 62 government sources, each fact linked to its source and stamped with the date we captured it.
Data last updated: 2026-05-07 · Source: CMS Care Compare Ambulatory Surgical Center · View on Medicare.gov
Fonteum publishes CMS Care Compare ASC quality measures for GLBESC LLC DBA MEMORIALCARE OUTPATIENT SURGICAL CENTER LONG BEACH, each sourced directly from the CMS Provider Data Catalog.
Fonteum indexes quality data from 44 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
GLBESC LLC DBA MEMORIALCARE OUTPATIENT SURGICAL CENTER LONG BEACH (CCN 05C0002207) is identified across CMS Care Compare Ambulatory Surgical Center published on data.cms.gov. Every field on this page is chained to its source dataset and row.
Each field on this page is sourced from the CMS Care Compare Ambulatory Surgical Center 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.
Read the full Fonteum provenance methodology or browse the 44 federal source families behind every page.
GLBESC LLC DBA MEMORIALCARE OUTPATIENT SURGICAL CENTER LONG BEACH is a Medicare-certified ambulatory surgical center identified by CMS Certification Number 05C0002207. Data sourced from the CMS Care Compare Ambulatory Surgical Center (data.cms.gov), a US Government Work. Methodology · Report an error · Medicare.gov