NEVVI Medicare utilization intelligence

Medicare pacemaker implants grew about 29% in a decade, to an estimated 172,000 in 2024 — the leadless pacemaker is an 8.5% slice

Published Jul 2026 · CMS Part B PUF 📋 Cite See the data →
Estimated Medicare pacemaker implants · all systems vs. the leadless slice · 2015–2024
'15'16'17'18'19'20'21'22'23'24172K15Kall pacemaker implantsleadless pacemaker
Estimated total-Medicare complete-system pacemaker implants, scaled from the fee-for-service record (est.), with the leadless pacemaker as its own series from 2019. Full method below.

The growth is easy to misread: on the raw fee-for-service record the implant count actually fell over the decade. It rises only after adjusting for Medicare Advantage — whose share of enrollment climbed from roughly a third to about half, draining the fee-for-service data.

Behind the adjustment, the raw record ran the other way, from about 92,000 in 2015 to 86,000 in 2024. That reflects Medicare Advantage draining the fee-for-service data, not fewer implants.

The leadless pacemaker is a self-contained capsule placed in the heart without wired leads — an estimated 15,000 implants a year, and still an emerging slice. Its share is read straight off the fee-for-service record, since a share does not change when both sides are scaled.

The two are not charted as substitutes. For most of this window the leadless device served a narrower set of pacing indications than traditional systems, so no head-to-head comparison is implied.

A volume record, not a verdict on need, quality, or appropriate care — and not a claim that one device is better than the other.

What this is

Estimated total-Medicare complete-system pacemaker implants (beneficiary counts on the system implant codes), 2015 to 2024, scaled from the fee-for-service record, with the leadless pacemaker shown as an emerging slice.

What it is not

Not a head-to-head substitution story, not generator-only replacements or upgrades, not an exact implant count, and not all-payer.

How this is counted
Beneficiary counts on the complete-system pacemaker implant codes — one per beneficiary per billing provider — on the Medicare fee-for-service record, then scaled to total Medicare enrollment (the estimated total). Generator-only replacements and upgrades are excluded. Not an exact implant count: a small share of ambulatory-facility claims can duplicate the physician claim for the same implant. The leadless share is reported on the fee-for-service record as-is, because a share is unchanged when both sides are scaled. The scaled figures are estimates: the calculation assumes Medicare Advantage per-capita utilization ≈ fee-for-service; MA plans may manage utilization differently, and MA's rising enrollment share is what separates the raw fee-for-service trend from the total-Medicare trend. The leadless device enters the record in 2019. Cells under 11 beneficiaries withheld by CMS. Source: Medicare Part B.

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