In 2024, 34 clinical laboratories billed Medicare for laboratory testing in Arizona: 11,474,841 services and an estimated $362.5M in Medicare payments. Below: the top 5 by service volume, straight from CMS's public billing data.
Ranked by 2024 Medicare service volume across the family's codes.
| # | Provider | Specialty | City | Services | Est. Medicare paid |
|---|---|---|---|---|---|
| 1 | Sonora Quest Laboratories LLC | Clinical Laboratory | Phoenix | 4,997,921 | $59.4M |
| 2 | Laboratory Corporation Of America | Clinical Laboratory | Phoenix | 3,696,435 | $45.5M |
| 3 | Genetic Technological Innovations, LLC | Clinical Laboratory | Scottsdale | 562,170 | $20.7M |
| 4 | Central Clinical Labs Incorporated | Clinical Laboratory | Phoenix | 544,907 | $3.4M |
| 5 | Unique Lab Services, LLC | Clinical Laboratory | Fountain Hills | 328,417 | $393K |
The same 2024 Medicare data, sliced by city: the biggest laboratory testing cities by number of laboratories, in est.-Medicare-paid order.
In 2024 the top city for laboratory testing in Arizona by est. Medicare paid was Phoenix: 15 clinical laboratories billed 10,146,904 services for an estimated $327.9M, led by Sonora Quest Laboratories LLC, with 4,997,921 services (est. $59.4M Medicare paid).
| # | City | Laboratories | Services | Est. Medicare paid | City leader (2024) |
|---|---|---|---|---|---|
| 1 | Phoenix | 15 | 10,146,904 | $327.9M | Sonora Quest Laboratories LLC · 4,997,921 services · est. $59.4M |
| 2 | Scottsdale | 6 | 936,994 | $31.9M | Genetic Technological Innovations, LLC · 562,170 services · est. $20.7M |
| 3 | Mesa | 3 | 19,621 | $1.1M | Gemelli Biotech Corp. · 14,667 services · est. $786K |
| 4 | Tucson | 4 | 30,739 | $871K | Ameripath Tucson Inc · 24,544 services · est. $850K |
| 5 | Fountain Hills | 2 | 335,634 | $400K | — |
City totals are cut from the same public CMS data as everything above: Medicare fee-for-service only, after CMS's under-11-beneficiary suppression, dollars always est. Medicare paid. Where a city shows fewer than 3 laboratories, we show the totals and name no one. Naming is capped by design: up to 5 ranked laboratories above plus at most one leader per city here, and no one else on this page.
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