Top Billing Providers Nationally

Medicare Data Report

The highest-volume Medicare providers in the country ranked by total payment, providing insight into the upper end of billing activity.

Providers Shown

highest Medicare payment

Top Provider Payment

$299.3M

Top 50 Providers by Medicare Payment

Provider	Specialty	Location	Patients	Medicare $
Exact Sciences Laboratories, Llc	Clinical Laboratory	Madison, WI	600,418	$299.3M
Laboratory Corporation Of America Holdings	Clinical Laboratory	Burlington, NC	870,486	$214.6M
Guardant Health, Inc.	Clinical Laboratory	Redwood City, CA	20,745	$174.5M
Laboratory Corporation Of America Holdings	Clinical Laboratory	Raritan, NJ	665,977	$143.3M
Ira DennyAPRN-FNP	Nurse Practitioner	Surprise, AZ	90	$135.3M
Natera, Inc.	Clinical Laboratory	San Carlos, CA	15,483	$133.1M
Tempus Ai, Inc.	Clinical Laboratory	Chicago, IL	23,842	$132.0M
Jorge KindsFNP	Nurse Practitioner	Phoenix, AZ	109	$123.9M
Caredx Inc.	Clinical Laboratory	Brisbane, CA	16,556	$122.5M
Cardionet, Llc.	Independent Diagnostic Testing Facility (IDTF)	Pleasanton, CA	111,291	$112.2M
Quest Diagnostics Incorporated	Clinical Laboratory	Clifton, NJ	508,181	$111.2M
Walgreen Co	Centralized Flu	Lakewood, CO	303,003	$108.9M
Quest Diagnostics Clinical Laboratories Inc	Clinical Laboratory	Tampa, FL	468,530	$107.1M
Caris Mpi, Inc.	Clinical Laboratory	Phoenix, AZ	27,093	$97.4M
Genomic Health, Inc.	Clinical Laboratory	Redwood City, CA	24,312	$96.8M
Irhythm Technologies, Inc.	Independent Diagnostic Testing Facility (IDTF)	San Francisco, CA	239,988	$94.0M
Unilab Corporation	Clinical Laboratory	West Hills, CA	367,832	$94.0M
Keith GossDPM	Podiatry	Chandler, AZ	157	$91.3M
Boston Scientific Cardiac Diagnostic Services, Llc	Independent Diagnostic Testing Facility (IDTF)	Houston, TX	78,230	$84.2M
Rocky Mountain Holdings, Llc	Ambulance Service Provider	Sylacauga, AL	11,933	$81.4M
Foundation Medicine, Inc.	Clinical Laboratory	Cambridge, MA	15,460	$79.7M
Safeway Inc	Centralized Flu	Boise, ID	215,740	$76.1M
Veracyte Labs Sd Corporation	Clinical Laboratory	San Diego, CA	18,742	$75.0M
Invitae Corporation	Clinical Laboratory	San Francisco, CA	40,559	$71.4M
Castle Biosciences, Inc	Clinical Laboratory	Phoenix, AZ	9,284	$70.9M
Bioreference Health, Llc	Clinical Laboratory	Elmwood Park, NJ	123,801	$66.8M
Myriad Genetic Laboratories, Inc.	Clinical Laboratory	Salt Lake City, UT	17,140	$65.9M
Carlos ChingFNP	Nurse Practitioner	Phoenix, AZ	66	$62.9M
Laboratory Corporation Of America Holdings	Clinical Laboratory	Birmingham, AL	348,463	$60.5M
Laboratory Corporation Of America	Clinical Laboratory	San Diego, CA	295,106	$59.8M
Sonora Quest Laboratories Llc	Clinical Laboratory	Phoenix, AZ	253,301	$57.8M
Laboratory Corporation Of America Holdings	Clinical Laboratory	Dublin, OH	307,791	$56.9M
Orchard Laboratories Corp	Clinical Laboratory	West Bloomfield, MI	310,996	$53.5M
Quest Diagnostics Clinical Laboratories Inc	Clinical Laboratory	Tucker, GA	260,158	$53.3M
Bethany JamesonFNP	Nurse Practitioner	Gilbert, AZ	39	$49.9M
Northwell Health Laboratories	Clinical Laboratory	New Hyde Park, NY	164,128	$48.5M
Clinical Pathology Laboratories, Inc.	Clinical Laboratory	Austin, TX	261,256	$47.7M
Laboratory Corporation Of America	Clinical Laboratory	Tampa, FL	231,227	$47.4M
Unilab Corporation	Clinical Laboratory	Sacramento, CA	245,429	$47.1M
Quest Diagnostics Clinical Laboratories Inc	Clinical Laboratory	Irving, TX	246,548	$46.7M
Labone Llc	Clinical Laboratory	Lenexa, KS	239,703	$46.0M
Vaxcare Corporation	Centralized Flu	Orlando, FL	214,851	$45.5M
Cipher Global Llc	Clinical Laboratory	Warrenville, IL	389,834	$45.1M
Cernostics, Inc.	Clinical Laboratory	Pittsburgh, PA	4,850	$44.5M
Aaron JengMD, MPH	Internal Medicine	San Gabriel, CA	187	$43.2M
Texas Molecular Diagnostics Laboratory	Clinical Laboratory	Irving, TX	10,969	$43.0M
Quest Diagnostics Clinical Laboratories Inc	Clinical Laboratory	Miramar, FL	181,129	$42.2M
Symphony Diagnostic Services No 1 Llc	Portable X-Ray Supplier	Sparks, MD	148,273	$42.0M
Silverpath, Inc.	Clinical Laboratory	Blue Bell, PA	40,424	$41.9M
David ChessM.D.	Geriatric Medicine	Stratford, CT	107,442	$41.7M

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Data: CMS Medicare Physician & Other Practitioners, 2024Coverage: 1,175,281 providers analyzedLast updated: January 2026

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