	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	11,078	$33,702,516	+9%	372,362	24	88	2.20
2023	10,220	$30,961,876	+14%	327,642	23	81	2.20
2022	9,294	$27,138,499	+4%	280,071	21	77	2.20
2021	8,794	$26,198,333	+19%	263,923	21	77	2.20
2020	7,693	$22,018,282	first year in data	216,727	20	72	2.20

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	495	$1,737,021	13,526	20	68
California	585	$1,687,518	15,153	18	60
New York	415	$1,504,866	12,659	22	81
Texas	437	$1,200,811	11,780	19	69
Pennsylvania	378	$1,000,562	11,094	19	80
Illinois	357	$979,016	9,217	19	59
Minnesota	275	$958,508	7,840	21	72
North Carolina	227	$840,843	8,303	23	112
Maryland	203	$780,896	6,700	23	81
Virginia	218	$741,561	7,015	21	74
Massachusetts	217	$704,257	7,377	22	96
Ohio	282	$699,208	8,196	21	70
Michigan	306	$685,079	7,701	19	60
Arizona	166	$576,302	4,791	21	71
Tennessee	201	$571,024	6,256	21	79

Not listed: 1 billers with an armed-forces or unknown state code (AA); 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 2020.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	365	$1,389,616	11,481	21
Chicago-Naperville-Elgin, IL-IN	272	$795,206	7,373	21
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	220	$636,891	6,542	18
Baltimore-Columbia-Towson, MD	150	$595,657	5,215	24
Boston-Cambridge-Newton, MA-NH	161	$538,758	5,630	21
Los Angeles-Long Beach-Anaheim, CA	164	$479,150	4,474	19
Rochester, MN	46	$472,139	2,326	37
Washington-Arlington-Alexandria, DC-VA-MD-WV	116	$461,553	3,543	18
Phoenix-Mesa-Chandler, AZ	116	$436,144	3,485	20
Minneapolis-St. Paul-Bloomington, MN-WI	194	$433,430	4,860	21
Houston-Pasadena-The Woodlands, TX	112	$378,102	3,685	24
Dallas-Fort Worth-Arlington, TX	129	$359,221	3,426	17
Seattle-Tacoma-Bellevue, WA	121	$342,916	3,874	20
Jacksonville, FL	71	$273,016	2,179	26
Orlando-Kissimmee-Sanford, FL	73	$241,980	1,971	21

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 98 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 74174 nationally

Diagnostic Radiology accounts for 83% of payment for 74174 nationally in 2020, across 8 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Diagnostic Radiology	6,904	90%	$18,288,812	83%	187,940	27
Interventional Radiology	499	6.5%	$1,942,457	8.8%	18,369	37
Cardiology	112	1.5%	$707,668	3.2%	4,692	42
Independent Diagnostic Testing Facility (IDTF)	56	0.73%	$483,952	2.2%	1,856	33
Interventional Cardiology	39	0.51%	$279,680	1.3%	1,372	35
Vascular Surgery	29	0.38%	$105,551	0.48%	661	23
Internal Medicine	11	0.14%	$57,615	0.26%	570	52
Nuclear Medicine	13	0.17%	$45,753	0.21%	462	36

Not listed: 13 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 74174 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