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David Lara

Tech Mentor · Engineering at Arbol

Bogotá, Colombia

Marathon runner and cyclist when he's not behind the keyboard. Mentors builders on cloud architecture and product engineering, and helps the Arbol team ship systems that stay up when the clinic's phone won't.

Writes about

  • Cloud architecture
  • Engineering mentorship
  • Product systems
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19 articles

Pediatrics10 minDavid Lara

Ireland's Immunisation Catch-Up Gap Is a Recall Problem, Not Refusal

HPSC data shows MMR uptake in Ireland still below the WHO target as measles cases rise across Europe, and the gap sits mostly in missed GP recall, not refusal.

Optometry11 minDavid Lara

Chain vs. Independent Optometrist in Canada: Who Books Faster?

Comparing how Canadians actually book eye exams at big optical chains versus independent optometrists, and what the two-year recall gap really costs.

Optometry11 minDavid Lara

Chain Opticians vs Independent Practices in the UK: Who Wins

With current UK sector data, we compare booking an eye test, waiting times and recall reminders between chain and independent opticians.

Practice operations10 minDavid Lara

GP Wait Times and Bulk Billing in Australia: What the Numbers Show

Government bulk-billing numbers are climbing, but patients still wait weeks for a GP. Here is what practices can control while the system catches up.

Mental health10 minDavid Lara

The hidden gap between a positive PHQ-9 and treatment

Positive PHQ-9 screens are not treatment. Peer-reviewed US data show up to 30% get no documented follow-up, and few practices track their own rate.

Cardiology9 minDavid Lara

Heart failure follow-up calls: a protocol for Australian GPs

Australian guidance points to GP review within about a week of a heart failure discharge. Here is how a GP clinic can structure that follow-up call safely.

Practice operations10 minDavid Lara

Online vs phone booking for NHS GP appointments

The NHS App can cut the 8am rush when practices enable booking and cancellation — but phone remains essential for triage-heavy demand. Verdict inside.

Technology18 minDavid Lara

Region study: build vs buy contact (US/AU/GB/CA)

Build vs buy the clinic contact layer across Anglo markets (US/AU/GB/CA as data points)—non-comparable signals, matrix, and a clear verdict.

Practice operations10 minDavid Lara

Appointment wait times and no-shows are the same problem

Patients in the US wait 31 days on average for an appointment and one in four Australians waits longer than they find acceptable, while booked slots go unused.

Primary care10 minDavid Lara

Medicare Annual Wellness Visit reminders that convert

US Medicare covers a yearly Wellness visit at $0 with assignment — if your practice qualifies people, books the right visit type, and follows up.

Practice operations11 minDavid Lara

Telephony overflow in UK practices

Why UK GP phone lines still overflow after digital telephony—and how practices redesign queues, callbacks, and first-line capacity without pretending the 8am rush vanished.

Pediatrics10 minDavid Lara

Australia's childhood vaccination coverage: a five-year slide

National coverage has fallen every year since 2020, and the gap is widest in specific cohorts, not evenly. Here is what a general practice can do.

Compliance12 minDavid Lara

TCPA for appointment reminders: ops, not panic

TCPA-aware appointment reminders for US practices: treat the FCC healthcare exemption as an ops checklist—purpose, cadence, opt-out, scripts.

Practice operations12 minDavid Lara

Bulk billing and reminders: what patients tolerate

Australian Medicare bulk billing and clinic reminders collide when messages feel like marketing. What patients tolerate—and how consent shapes ethical prompts.

Practice operations11 minDavid Lara

Primary care access across Anglo markets: metrics aren't ranks

CMWF and national series measure different clocks. A RegionGrid guide for leaders who refuse fake league tables across UK, AU, CA, US and IE.

Practice operations11 minDavid Lara

OHIP appointment access in Ontario: an operator’s guide

Health Care Connect attaches patients to primary care; your clinic phone still decides whether OHIP coverage becomes a booked visit. What operators can fix.

Practice operations10 minDavid Lara

NHS 111 vs practice phone: where demand actually lands

NHS 111 routes urgent need; the practice phone still carries day-to-day access. Here is where each channel sits — and why an agent belongs on the practice line.

Practice operations12 minDavid Lara

Flu season fills chairs that unanswered phones never book

CDC puts flu medical visits in the tens of millions; MGMA ranks phone access among 2026 priorities — yet many practices still leave inbound demand unmeasured.

Practice operations10 minDavid Lara

After-hours clinic coverage in Australia: own the first line

Healthdirect took 1.4 million calls in FY25, mostly after hours. RACGP still requires clinics to own access — how a first-line voice agent closes the gap.