	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	23,893	$287,212,665	-1%	3,593,132	111	414	1.82
2023	23,621	$289,290,559	+5%	3,446,967	110	396	1.82
2022	23,385	$276,149,977	-8%	3,169,892	103	365	1.82
2021	23,525	$301,452,378	+8%	3,383,111	110	384	1.82
2020	23,389	$279,469,717	first year in data	3,105,865	103	352	1.82

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
California	1,942	$24,662,530	244,891	90	344
Florida	1,419	$21,864,785	192,399	98	353
New York	1,393	$21,343,130	200,420	96	431
Texas	1,887	$20,915,316	228,683	87	336
Minnesota	891	$12,779,289	143,385	130	403
Illinois	965	$12,491,127	151,513	127	389
Pennsylvania	1,058	$11,599,341	151,685	110	357
North Carolina	811	$10,407,598	123,665	110	426
Massachusetts	659	$9,817,814	115,847	127	526
Maryland	433	$9,756,494	77,290	154	448
Virginia	579	$9,357,993	105,377	151	485
New Jersey	607	$8,981,740	78,371	96	320
Tennessee	566	$7,932,253	84,331	109	375
Ohio	840	$7,906,571	107,521	100	320
Michigan	739	$7,553,272	104,995	115	354

Not listed: 7 billers with an armed-forces or unknown state code (AA, AE, AP, XX, ZZ); they are in the national totals.

Not listed: 2 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 2021.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	1,260	$22,162,844	193,854	106
Chicago-Naperville-Elgin, IL-IN	732	$9,299,683	115,814	124
Minneapolis-St. Paul-Bloomington, MN-WI	659	$8,904,974	109,134	130
Boston-Cambridge-Newton, MA-NH	516	$7,990,536	91,694	127
Los Angeles-Long Beach-Anaheim, CA	640	$7,331,128	74,416	75
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	538	$7,069,008	79,032	110
Dallas-Fort Worth-Arlington, TX	633	$6,873,935	70,042	79
Baltimore-Columbia-Towson, MD	287	$6,419,107	50,989	154
Washington-Arlington-Alexandria, DC-VA-MD-WV	313	$6,235,112	52,269	117
Phoenix-Mesa-Chandler, AZ	312	$5,677,300	50,115	99
Houston-Pasadena-The Woodlands, TX	460	$4,693,342	61,583	89
Miami-Fort Lauderdale-West Palm Beach, FL	350	$4,452,085	44,873	88
Seattle-Tacoma-Bellevue, WA	337	$4,315,969	48,716	108
St. Louis, MO-IL	302	$3,487,956	47,860	123
Atlanta-Sandy Springs-Roswell, GA	354	$3,486,802	46,037	97

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 100 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2021.

Specialties billing 74177 nationally

Diagnostic Radiology accounts for 89% of payment for 74177 nationally in 2021, across 16 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Diagnostic Radiology	20,835	89%	$267,948,164	89%	3,163,051	152
Independent Diagnostic Testing Facility (IDTF)	402	1.7%	$10,329,278	3.4%	45,996	114
Interventional Radiology	713	3.0%	$6,864,136	2.3%	79,290	111
Hematology-Oncology	489	2.1%	$6,168,407	2.0%	32,759	67
Nuclear Medicine	81	0.34%	$2,257,718	0.75%	14,799	183
Medical Oncology	183	0.78%	$1,978,488	0.66%	10,541	58
Radiation Oncology	133	0.57%	$1,641,325	0.54%	9,965	75
Internal Medicine	134	0.57%	$1,026,619	0.34%	6,078	45
Family Practice	135	0.57%	$699,331	0.23%	4,027	30
Gastroenterology	111	0.47%	$662,261	0.22%	3,693	33
Urology	103	0.44%	$375,493	0.12%	2,148	21
Emergency Medicine	35	0.15%	$230,167	0.08%	1,582	45
Gynecological Oncology	18	0.08%	$155,903	0.05%	889	49
Nurse Practitioner	30	0.13%	$114,726	0.04%	621	21
General Surgery	21	0.09%	$98,154	0.03%	759	36

Not listed: 29 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 2021.

Top billers of 74177 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