HEDIS rates are not a quality problem. They are a care coordination and data infrastructure problem with quality consequences.
Why Gap Closure Programs Stall
The most common failure mode we see is an organization that knows its gap, pulled the hybrid sample, knows which members are out of compliance, has outreach infrastructure in place, but cannot close more than 55–60% of identified gaps before the measurement window closes.
The bottleneck is almost never clinical willingness. It is operational friction at every step between identification and completed service:
- Member outreach systems that are not connected to scheduling workflows
- Supplemental data pipelines that arrive too late to affect administrative rates
- Provider-facing gap reports that are accurate but not actionable at the point of care
- Hybrid medical record retrieval processes that consume staff time without clear prioritization logic
The Measures That Move STAR Ratings Most
Not all HEDIS measures carry equal weight in Medicare Advantage Star ratings. High-performing plans and provider groups allocate outreach and intervention resources proportionally to measure weight and baseline performance.
The highest-leverage measures for most MA populations in the current Star framework:
- Controlling High Blood Pressure, High prevalence, moderate baseline rates, directly actionable
- Statin Therapy for Patients with Cardiovascular Disease, Largely a pharmacy fill and adherence measure, addressable through MTM programs
- Colorectal Cancer Screening, Strong evidence-based protocols; low touch on the provider side when patient navigation is in place
- Annual Flu Vaccine / Care for Older Adults, High volume, strong correlation with AWV completion
A Pragmatic Closure Framework
Effective gap closure operates on three simultaneous tracks:
Track 1: Member Outreach. Prioritized by gap count, influence score, and contact propensity. Multi-modal, SMS, IVR, care navigator outreach, sequenced and timed to member preference data where available.
Track 2: Provider Enablement. Point-of-care gap alerts integrated into EHR workflows. Pre-visit planning documents that surface open gaps before the encounter, not during it. Standing orders for high-volume preventive services that do not require physician decision at each occurrence.
Track 3: Supplemental Data. Proactive retrieval of medical records, lab data, and pharmacy data that can close gaps administratively. Establishing data-sharing agreements with specialist groups and ancillary providers before the measurement year ends.
The Measurement Window Trap
Most organizations front-load outreach in Q1 and run out of runway by Q3. The last 60 days of the measurement year are the highest-yield period for supplemental data retrieval, yet that is precisely when staff capacity is most constrained.
Building the outreach calendar backward from the measurement year close, with dedicated capacity reserved for Q4 supplemental activities, consistently produces 8–12 percentage point improvements in administrative rates for organizations that have plateau’d on hybrid rates.
What This Looks Like in Practice
Prizm partners with health plans and provider groups to design gap closure programs that operate on all three tracks simultaneously, with performance dashboards that surface actionable intelligence, not just trending data, at the measure and member level.
The goal is not a higher HEDIS rate. It is the delivery of the care that the rate measures.