	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	1,039	$31,841,795	-19%	52,616	29	170	1.80
2023	1,088	$39,074,911	-5%	58,477	30	183	1.80
2022	1,071	$41,339,287	-14%	57,148	30	168	1.80
2021	1,049	$48,169,821	-1%	59,000	28	196	1.80
2020	959	$48,674,120	first year in data	57,169	30	207	1.80

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	103	$7,498,351	8,499	46	238
Texas	130	$5,449,183	7,047	29	167
New York	66	$4,515,544	4,336	32	226
Florida	123	$3,654,483	4,567	24	90
Illinois	30	$3,536,128	3,854	29	820
Maryland	44	$3,422,039	3,558	54	304
Michigan	52	$2,416,354	2,966	30	197
New Jersey	33	$2,414,498	2,391	44	216
North Carolina	37	$2,227,007	3,074	35	303
Georgia	31	$1,455,786	1,941	27	199
Arizona	40	$1,402,521	1,714	26	108
Connecticut	22	$1,153,261	1,190	33	184
Pennsylvania	22	$1,040,694	1,494	24	359
Tennessee	24	$960,692	1,261	32	180
Alabama	23	$640,340	863	34	76

Not listed: 24 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	81	$5,963,616	5,650	38
Los Angeles-Long Beach-Anaheim, CA	47	$4,592,012	5,029	48
Chicago-Naperville-Elgin, IL-IN	24	$3,205,288	3,540	29
Washington-Arlington-Alexandria, DC-VA-MD-WV	34	$1,962,839	2,045	28
Baltimore-Columbia-Towson, MD	24	$1,676,753	1,857	65
San Antonio-New Braunfels, TX	21	$1,585,906	1,891	71
Dallas-Fort Worth-Arlington, TX	41	$1,229,118	1,647	37
Miami-Fort Lauderdale-West Palm Beach, FL	25	$1,201,435	1,345	39
Riverside-San Bernardino-Ontario, CA	11	$1,149,602	1,149	120
Phoenix-Mesa-Chandler, AZ	26	$1,048,393	1,235	26
Detroit-Warren-Dearborn, MI	27	$1,027,643	1,193	30
Memphis, TN-MS-AR	12	$606,653	782	37
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	13	$599,556	828	32
St. Louis, MO-IL	20	$563,702	747	21
Charlotte-Concord-Gastonia, NC-SC	14	$468,156	866	41

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 20 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 37252 nationally

Vascular Surgery accounts for 34% of payment for 37252 nationally in 2021, across 10 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Vascular Surgery	417	40%	$16,443,244	34%	20,592	49
Interventional Radiology	100	9.5%	$9,989,966	21%	10,625	106
Diagnostic Radiology	77	7.3%	$5,756,829	12%	6,297	82
Cardiology	181	17%	$5,133,977	11%	7,024	39
Nephrology	31	3.0%	$3,563,728	7.4%	3,930	127
Interventional Cardiology	134	13%	$3,136,553	6.5%	4,885	36
General Surgery	42	4.0%	$1,325,606	2.8%	2,025	48
Internal Medicine	18	1.7%	$898,584	1.9%	1,009	56
Thoracic Surgery	17	1.6%	$855,060	1.8%	972	57
Cardiac Surgery	11	1.0%	$461,120	0.96%	557	51

Not listed: 10 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 37252 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