Rebuilding Conversion Tracking Cut New-Patient Lead Cost by 60% for an Illustrative Austin Dental Practice

Summary

An illustrative South Austin dental practice had been paying roughly $85 per new-patient lead through Google Ads with attribution data that no one trusted. A tracking rebuild plus landing-page CRO plus disciplined bidding dropped cost per lead to roughly $32 within six months.

The challenge

The practice was running a reasonable-looking Google Ads account — budget, clicks, some conversions — but the reported conversion rate did not match what the front desk was actually seeing. After investigation we discovered the conversion tracking was double-counting some events, missing others entirely (phone calls routed to a different number than the one tracked), and the landing page experience was desktop-first in a market where 70% of clicks were mobile.

Approach

1. 1

   Week 1 — Tracking audit

   Mapped every tag in the GTM container, validated each conversion event end-to-end. Discovered phone-call tracking was firing from a number replaced six months earlier during a PBX migration. Enhanced Conversions for Google Ads was not wired up at all.

2. 2

   Week 2 — Tracking rebuild

   Deployed server-side GTM endpoint. Wired phone-call tracking to the actual practice line via CallRail. Implemented Enhanced Conversions. Validated events against the practice management system for a two-week period.

3. 3

   Weeks 3-4 — Mobile landing-page rebuild

   New mobile-first landing page with a short form (4 fields), tap-to-call prominent, trust signals (reviews, insurance accepted) above the fold. Old multi-page booking flow replaced with a single-page request-appointment pattern.

4. 4

   Weeks 5-6 — Bid strategy migration

   Once tracking was trustworthy, migrated from manual CPC to Target CPA with a conservative target. Allowed Smart Bidding to learn against clean conversion data for 3 weeks before tightening the CPA target incrementally.

5. 5

   Months 2-6 — Ongoing optimization

   Weekly search-term audits, bi-weekly landing-page A/B tests, monthly strategy review. Spanish-language campaign added in month 4 once the baseline was stable.

Results

The tracking rebuild alone cut reported CPA nearly in half in the first month — not because anything in the market changed, but because the account was finally measuring the right thing. The landing-page and bid-strategy work compounded from there. By month six, cost-per-new-patient was roughly $32 and the practice could confidently scale budget knowing the ROI math was honest.

Services used