Advanced Access in Family Medicine: Making Same-Day Actually Work

Advanced access — 'do today's work today' — has been family medicine's north star for two decades. Most practices that attempt it retreat within months. The failure point is rarely clinical capacity; it's the plumbing.

Why same-day dies at the front desk

If same-day slots are only reachable by phone, the morning rush becomes a lottery won by redial speed. Staff burn the first two hours triaging calls, patients who can't call at 8 a.m. (shift workers, parents, non-English speakers) lose systematically, and the backlog the model was supposed to eliminate re-forms as voicemail.

The booking mechanics that sustain it

Release timing: open same-day inventory online at a set hour — or roll it — so demand self-serves. Slot protection: templates reserve capacity for follow-ups and complex visits so same-day doesn't cannibalize continuity. Self-rescheduling: one-click reschedule links convert would-be no-shows into freed slots that flow back into the same-day pool. Reminders: automated SMS keeps show rates high enough that you can run tighter templates.

Equity is an access feature

A same-day system available in every language, to caregivers booking for children, and to patients without portals reaches the whole panel — not just the digitally fluent slice. That's the difference between advanced access as a slogan and as a population-level outcome.

Start with two weeks of data

Measure time-to-third-available and same-day fill rate before changing anything. Then open a modest online same-day block, watch the phone volume drop, and expand. The model proves itself quickly when patients can actually reach it.

Sources & further reading

• Murray M, Berwick DM. Advanced Access: Reducing Waiting and Delays in Primary Care. JAMA, 2003
• College of Family Physicians of Canada — Implementing advanced access in an academic family medicine network
• AHRQ — Open Access Scheduling for Routine and Urgent Appointments
• Adoption of open-access scheduling in an academic family practice (Canadian Family Physician)