	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
California	868	$2,642,387	26,189	22	74
Florida	658	$2,338,580	21,487	23	76
New York	555	$2,167,689	19,229	25	94
Texas	656	$1,927,340	20,282	22	76
Minnesota	460	$1,693,582	15,236	24	89
Illinois	495	$1,422,018	14,884	21	73
Pennsylvania	499	$1,354,063	15,927	22	81
Maryland	258	$1,291,007	10,464	31	101
Massachusetts	288	$1,122,162	12,135	25	122
North Carolina	326	$1,099,596	11,540	25	91
Virginia	303	$1,041,627	11,083	24	90
Ohio	343	$952,729	11,675	24	87
Michigan	378	$882,364	10,831	22	63
New Jersey	257	$786,702	8,174	20	83
Arizona	185	$726,880	6,629	25	101

Not listed: 5 billers with an armed-forces or unknown state code (AA, AE, AP, XX); 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 2023.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	505	$2,106,671	18,566	25
Chicago-Naperville-Elgin, IL-IN	369	$1,129,601	11,473	22
Baltimore-Columbia-Towson, MD	183	$931,320	7,581	32
Minneapolis-St. Paul-Bloomington, MN-WI	340	$926,291	11,035	25
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	292	$918,989	10,021	21
Boston-Cambridge-Newton, MA-NH	196	$851,180	8,906	23
Los Angeles-Long Beach-Anaheim, CA	259	$796,555	8,148	22
Rochester, MN	71	$693,308	3,220	30
Dallas-Fort Worth-Arlington, TX	221	$690,189	7,098	21
Washington-Arlington-Alexandria, DC-VA-MD-WV	142	$667,196	5,694	26
Houston-Pasadena-The Woodlands, TX	166	$552,704	5,921	24
Phoenix-Mesa-Chandler, AZ	137	$545,129	4,868	24
Seattle-Tacoma-Bellevue, WA	150	$458,918	5,447	24
Jacksonville, FL	102	$409,626	3,357	25
Miami-Fort Lauderdale-West Palm Beach, FL	156	$383,693	4,244	19

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 2023.

Specialties billing 74174 nationally

Diagnostic Radiology accounts for 86% of payment for 74174 nationally in 2023, across 9 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Diagnostic Radiology	9,239	90%	$26,473,673	86%	289,997	31
Interventional Radiology	648	6.3%	$2,445,452	7.9%	25,325	39
Cardiology	136	1.3%	$812,011	2.6%	5,681	42
Independent Diagnostic Testing Facility (IDTF)	73	0.71%	$631,265	2.0%	2,501	34
Interventional Cardiology	31	0.30%	$286,140	0.92%	1,299	42
Vascular Surgery	18	0.18%	$71,555	0.23%	643	36
Internal Medicine	12	0.12%	$67,452	0.22%	624	52
Nuclear Medicine	22	0.22%	$60,103	0.19%	691	31
Radiation Oncology	11	0.11%	$23,060	0.07%	277	25

Not listed: 19 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 2023.

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