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A framework for how FHG and WCHQ
work together on WIN
Two paths. One shared goal — a defensible, high-quality measurement layer for Wisconsin's hypertension program.
FHG and WCHQ are both named WIN data partners
Both organizations are named in the WIN data architecture. The division of labor is clear: WCHQ holds the HCO relationships and the BAAs. FHG builds the measurement layer from raw data. Today's conversation is about how those two roles connect.
The WIN ecosystem — where FHG and WCHQ sit
A shared Wisconsin healthcare history
Two data-flow architectures — one for each HCO relationship type
How data reaches FHG depends on the HCO's existing WCHQ relationship. Both deliver the same outcome: raw, unfiltered data into FHG's measurement layer. WCHQ's role in Path B is active, not passive — holding the HCO relationships and BAAs that make the data flow possible.
FHG Direct
System
Data
Data Layer
- FHG and the participating HCO sign a direct BAA — the standard path when no WCHQ intermediary exists
- Raw EHR and Validic RPM data flows directly from the HCO to FHG — unfiltered, untransformed
- FHG curates all data objects and builds the WIN measurement layer from source
WCHQ as Data Conduit
Member HCO
Data
- WCHQ already holds a BAA with the HCO through their existing member relationship — no new agreement needed at the HCO level
- FHG enters as a subcontractor, receiving raw, unfiltered data through WCHQ's existing data relationship
- FHG builds and curates all data objects and measurement from source — WCHQ is the conduit, not the builder
WIN is in motion. Both paths are already active.
The shared deadline is November 1 patient enrollment. Here's where we are right now.
Sixteenth Street Community Health Centers
FHG has signed the BAA with Sixteenth Street. We met with their leadership last week and are meeting again this week. The engagement is deep and committed — and this relationship will extend well beyond WIN's boundaries, supporting the economic buyer model and community health mission that makes WIN work.
Froedtert, Ascension, and Advocate Aurora
For Froedtert, Ascension, and Advocate Aurora — all WCHQ members — WCHQ's existing relationships create a natural data conduit. FHG enters as a subcontractor. Today's conversation is the start of that arrangement.
Raw. Unfiltered. Non-transformed.
FHG curates data from source — building every data object, every measure, every calculation — and publishes all of it back to support the WIN Research Sandbox.
Source data only
FHG requires raw, untransformed data from the originating system. No pre-aggregation, no vendor-processed feeds.
FHG curates the objects
All data objects, code sets, measurement definitions, and calculation logic are built and maintained by FHG from the raw source.
The data is never ours
The data belongs to AHW and the participating sites. FHG's role is infrastructure — building, running, and publishing to the WIN Research Sandbox.
The WIN Research Sandbox
FHG builds, curates, and publishes all WIN measurement into a Research Sandbox — the shared analytical surface for AHW and its partners.
What the Research Sandbox is
The WIN Research Sandbox is FHG's canonical output layer — where raw clinical and financial data, after curation, becomes usable measurement for AHW, the participating sites, and approved partners.
For WIN: BP control rates, TAG model outcomes, enrollment cohort performance, and plan-level reimbursement metrics — all in one defensible, auditable, shareable surface.
FHG drives and publishes all data back to support the research. The determination of what WCHQ accesses from the Sandbox is a judgment call that belongs to AHW and the participating sites.
Data ownership
WCHQ as the statewide measurement platform
WIN is the model. The goal is to establish WCHQ as the measurement platform that carries these metrics and outcomes into broader expansion across Wisconsin — driving new participants, new data programs, and new revenue for WCHQ and the ecosystem.
FHG demonstrates the data infrastructure work — and WCHQ takes it statewide through its network of HCOs and primary care physicians.