	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	567	$165,437,123	-11%	28,601	28	157	13.80
2023	603	$185,906,802	-4%	29,304	28	142	13.80
2022	605	$194,543,578	-9%	29,196	27	139	13.80
2021	596	$213,646,255	-3%	28,778	27	163	13.80
2020	625	$219,318,246	first year in data	29,281	27	169	13.80

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	82	$57,438,449	6,803	45	244
Texas	89	$27,185,569	3,804	32	104
Florida	72	$19,208,195	2,767	23	93
Maryland	28	$15,198,040	1,631	28	220
New York	45	$14,875,457	1,722	23	112
Arizona	22	$10,736,899	1,373	44	162
New Jersey	26	$9,614,713	1,128	26	113
Michigan	24	$9,427,712	1,333	25	164
North Carolina	19	$4,640,851	701	26	90
Tennessee	19	$4,480,102	705	22	93
Mississippi	12	$2,898,112	601	24	155
Illinois	11	$2,743,727	449	25	96
Georgia	13	$2,252,707	355	20	59
Louisiana	15	$1,435,456	273	16	30

Not listed: 28 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
Los Angeles-Long Beach-Anaheim, CA	36	$33,868,440	3,955	45
New York-Newark-Jersey City, NY-NJ	59	$21,901,756	2,499	24
Washington-Arlington-Alexandria, DC-VA-MD-WV	21	$13,944,983	1,472	37
Miami-Fort Lauderdale-West Palm Beach, FL	18	$9,776,538	1,315	40
Phoenix-Mesa-Chandler, AZ	16	$8,848,709	1,140	50
Dallas-Fort Worth-Arlington, TX	27	$6,450,010	879	25
San Antonio-New Braunfels, TX	15	$6,420,494	821	38
Houston-Pasadena-The Woodlands, TX	18	$4,272,694	665	33
Detroit-Warren-Dearborn, MI	12	$3,882,078	466	23
Baltimore-Columbia-Towson, MD	11	$3,141,253	388	20

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 10 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 37229 nationally

Vascular Surgery accounts for 28% of payment for 37229 nationally in 2021, across 7 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Vascular Surgery	217	36%	$59,103,958	28%	8,406	39
Interventional Radiology	72	12%	$46,075,050	22%	5,451	76
Cardiology	112	19%	$33,738,714	16%	4,745	42
Diagnostic Radiology	45	7.6%	$27,726,863	13%	3,333	74
Interventional Cardiology	71	12%	$18,927,681	8.9%	2,875	40
Thoracic Surgery	14	2.3%	$7,354,442	3.4%	859	61
General Surgery	25	4.2%	$5,691,187	2.7%	895	36

Not listed: 12 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 37229 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