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Case Study - Depression Screening Gap 2026.
Most PCP practices that embed PHQ-9 screening into their Annual Wellness Visit workflow assume they've solved depression screening. The data tells a different story.
We analyzed 24 months of encounter data, screening records, diagnosis codes, and medication histories across a 40,000-patient multi-site PCP network. Despite a fully implemented screening protocol, only 7.2% of attributed patients had received a PHQ-9 in the prior 12 months. 93% had never been screened — not once.
This insight brief maps the full screening funnel, quantifies the downstream action gap, identifies the structural bottleneck, and models what a proactive telephonic outreach program could shift within 12 months.
What's inside this report
7% effective screening rate across a 40,000-patient panel — despite a fully implemented PHQ-9 workflow at every Annual Wellness Visit
3,100+ patients on psychiatric medications and 2,100+ with BH diagnoses who had never been screened with a PHQ-9
58% of patients who screened positive had no diagnosis or treatment documented afterward — screening without a downstream workflow
Modeled 12-month impact: proactive telephonic outreach projected to move screening rates from 7% to 25–35% and identification by 4–6x
Get the Case Study Report