	observed	calculated	calculated	calculated	calculated	calculated
2024	2,406	$23,016,992	+4%	2,718,641	28	3,809
2023	2,821	$22,171,349	+3%	2,618,249	28	2,690
2022	2,676	$21,468,942	+0%	2,516,461	27	2,549
2021	2,532	$21,369,073	-1%	2,472,694	28	2,767
2020	2,645	$21,675,304	first year in data	2,524,394	29	2,620

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). Data years 2020–2024.

By state

	observed	calculated	calculated	calculated	calculated
Florida	247	$4,060,481	472,771	34	6,715
California	61	$2,296,002	267,383	676	21,545
Texas	323	$2,090,890	243,478	33	701
North Carolina	90	$1,646,546	191,715	39	1,559
New Jersey	87	$1,594,782	185,501	24	6,739
Ohio	93	$1,042,664	121,444	19	1,772
New York	274	$779,691	90,762	29	476
Georgia	60	$654,401	76,182	24	698
Arizona	87	$645,099	75,166	33	237
Alabama	38	$627,829	73,139	42	2,259
Illinois	45	$606,672	70,763	40	3,922
Tennessee	67	$591,347	68,880	35	2,601
Massachusetts	83	$504,215	58,656	19	840
Maryland	13	$493,388	57,436	718	18,082
Pennsylvania	17	$467,563	54,412	1,540	10,668

Not listed: 14 states with fewer than 11 billers (small cells).

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). Providers placed by practice address. Data year 2020.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	227	$2,257,246	262,603	34
Miami-Fort Lauderdale-West Palm Beach, FL	13	$1,971,628	229,520	6,978
Los Angeles-Long Beach-Anaheim, CA	25	$1,196,103	139,336	1,108
Dallas-Fort Worth-Arlington, TX	105	$933,184	108,653	60
Atlanta-Sandy Springs-Roswell, GA	19	$639,980	74,491	22
Phoenix-Mesa-Chandler, AZ	20	$625,098	72,835	135
Chicago-Naperville-Elgin, IL-IN	22	$621,090	72,463	1,013
Birmingham, AL	29	$555,023	64,653	37
Columbus, OH	53	$540,308	62,895	16
Boston-Cambridge-Newton, MA-NH	91	$485,074	56,426	19
Austin-Round Rock-San Marcos, TX	53	$437,467	50,952	20
Seattle-Tacoma-Bellevue, WA	53	$376,295	43,879	17
Cincinnati, OH-KY-IN	32	$372,774	43,418	25
Milwaukee-Waukesha, WI	13	$184,364	21,576	31
Detroit-Warren-Dearborn, MI	42	$83,463	9,717	21

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 27 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2020.

Specialties billing 87186 nationally

Clinical Laboratory accounts for 94% of payment for 87186 nationally in 2020, across 10 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Clinical Laboratory	423	16%	$20,319,007	94%	2,365,954	5,593
Pathology	36	1.4%	$507,854	2.3%	59,256	1,646
Urology	418	16%	$350,588	1.6%	40,926	98
Family Practice	617	23%	$160,791	0.74%	18,805	30
Internal Medicine	506	19%	$143,414	0.66%	16,834	33
Nurse Practitioner	314	12%	$78,731	0.36%	9,197	29
Physician Assistant	183	6.9%	$52,645	0.24%	6,157	34
Obstetrics & Gynecology	23	0.87%	$9,222	0.04%	1,078	47
Nephrology	26	0.98%	$7,703	0.04%	899	35
Emergency Medicine	34	1.3%	$6,693	0.03%	783	23

Not listed: 16 specialties with fewer than 11 billers (small cells).

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). Provider-level lines (fewer than 11 beneficiaries suppressed by CMS); specialty is the provider type on claims. Data year 2020.

Top billers of 87186 nationally

Named top billers are a Pro figure, and Pro is not available to buy, so this list is not shown to any account. The counts and totals by state, metro area and specialty on this page are free.

Original Medicare Part B fee-for-service only; CMS suppresses provider lines with fewer than 11 beneficiaries. How these figures are computed · Limitations