	observed	calculated	calculated	calculated	calculated	calculated
2024	2,208	$33,597,297	+3%	874,498	31	1,273
2023	2,349	$32,554,343	+3%	847,502	30	1,155
2022	2,351	$31,458,056	-4%	812,715	32	1,139
2021	2,532	$32,642,040	+4%	833,311	32	1,037
2020	2,500	$31,315,226	first year in data	804,191	33	1,027

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
New Jersey	35	$4,494,277	116,871	140	16,111
California	140	$4,155,280	108,086	129	3,270
Texas	226	$4,146,976	107,946	32	1,097
Florida	104	$2,184,448	56,836	40	2,305
New York	107	$2,110,979	54,906	61	1,365
North Carolina	184	$2,052,655	53,389	23	162
Ohio	39	$1,104,754	28,749	35	3,397
Illinois	107	$1,089,113	28,357	33	1,153
Kansas	48	$1,071,596	27,868	24	1,272
Oklahoma	22	$959,695	24,990	49	4,757
Tennessee	161	$904,531	23,598	24	376
Massachusetts	59	$829,793	21,576	37	1,767
Arizona	28	$740,485	19,264	131	3,838
Alabama	66	$712,114	18,561	24	429
Washington	27	$668,087	17,391	31	2,404

Not listed: 18 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 2024.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	87	$6,382,435	165,963	67
Los Angeles-Long Beach-Anaheim, CA	87	$2,299,952	59,837	126
Dallas-Fort Worth-Arlington, TX	47	$1,654,196	43,038	39
Chicago-Naperville-Elgin, IL-IN	95	$1,077,184	28,048	35
Houston-Pasadena-The Woodlands, TX	22	$1,052,671	27,380	41
San Diego-Chula Vista-Carlsbad, CA	18	$985,051	25,620	104
Austin-Round Rock-San Marcos, TX	14	$973,635	25,320	19
Boston-Cambridge-Newton, MA-NH	49	$777,848	20,225	33
Phoenix-Mesa-Chandler, AZ	23	$733,983	19,095	137
Miami-Fort Lauderdale-West Palm Beach, FL	24	$617,495	16,066	90
Birmingham, AL	22	$610,581	15,898	30
Seattle-Tacoma-Bellevue, WA	16	$588,192	15,304	31
Tulsa, OK	12	$441,123	11,493	34
Memphis, TN-MS-AR	54	$406,510	10,606	37
Atlanta-Sandy Springs-Roswell, GA	16	$401,261	10,435	38

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 37 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2024.

Specialties billing 83880 nationally

Clinical Laboratory accounts for 87% of payment for 83880 nationally in 2024, across 11 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Clinical Laboratory	502	23%	$29,066,480	87%	756,206	1,506
Cardiology	279	13%	$1,231,390	3.7%	32,118	115
Internal Medicine	374	17%	$880,193	2.6%	23,015	62
Family Practice	385	17%	$557,686	1.7%	14,573	38
Pathology	36	1.6%	$551,436	1.6%	14,367	399
Nurse Practitioner	298	13%	$522,813	1.6%	13,647	46
Interventional Cardiology	91	4.1%	$301,560	0.90%	7,864	86
Physician Assistant	105	4.8%	$148,885	0.44%	3,880	37
Emergency Medicine	37	1.7%	$32,080	0.10%	838	23
Clinical Cardiac Electrophysiology	17	0.77%	$31,693	0.09%	826	49
Pulmonary Disease	20	0.91%	$24,517	0.07%	640	32

Not listed: 15 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 2024.

Top billers of 83880 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