	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	679	$2,069,150	19,335	20	67
Florida	538	$1,988,888	15,995	22	72
New York	500	$1,938,423	16,555	22	89
Texas	489	$1,397,753	14,140	20	80
Minnesota	391	$1,351,570	11,446	21	69
Pennsylvania	448	$1,207,048	13,683	20	82
Illinois	424	$1,190,620	11,694	20	66
North Carolina	273	$954,573	9,477	22	105
Maryland	225	$952,599	7,948	25	91
Massachusetts	260	$927,164	9,734	21	105
Virginia	231	$824,265	7,785	21	91
Ohio	309	$773,463	9,344	22	73
Michigan	342	$766,513	8,988	19	63
Tennessee	235	$652,989	7,446	21	78
New Jersey	202	$610,348	5,748	20	73

Not listed: 3 billers with an armed-forces or unknown state code (AA, AP, XX); they are in the national totals.

Not listed: 3 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	430	$1,815,466	15,430	23
Chicago-Naperville-Elgin, IL-IN	325	$1,002,509	9,721	23
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	237	$761,109	7,915	20
Baltimore-Columbia-Towson, MD	163	$745,277	6,279	27
Boston-Cambridge-Newton, MA-NH	184	$701,818	7,245	21
Minneapolis-St. Paul-Bloomington, MN-WI	290	$661,321	7,751	21
Los Angeles-Long Beach-Anaheim, CA	196	$637,454	6,116	20
Rochester, MN	54	$606,010	2,640	29
Washington-Arlington-Alexandria, DC-VA-MD-WV	127	$568,017	4,283	23
Dallas-Fort Worth-Arlington, TX	151	$467,738	4,592	19
Phoenix-Mesa-Chandler, AZ	122	$450,973	3,726	22
Houston-Pasadena-The Woodlands, TX	130	$430,179	4,336	24
Seattle-Tacoma-Bellevue, WA	131	$383,978	4,324	21
Jacksonville, FL	77	$297,102	2,245	24
Miami-Fort Lauderdale-West Palm Beach, FL	110	$292,292	3,003	20

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 2021.

Specialties billing 74174 nationally

Diagnostic Radiology accounts for 84% of payment for 74174 nationally in 2021, across 7 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Diagnostic Radiology	7,926	90%	$21,957,666	84%	230,614	29
Interventional Radiology	564	6.4%	$2,276,475	8.7%	21,691	38
Cardiology	130	1.5%	$801,879	3.1%	5,670	44
Independent Diagnostic Testing Facility (IDTF)	62	0.71%	$572,696	2.2%	2,053	33
Interventional Cardiology	37	0.42%	$307,159	1.2%	1,510	41
Vascular Surgery	23	0.26%	$92,853	0.35%	659	29
Nuclear Medicine	17	0.19%	$60,992	0.23%	678	40

Not listed: 15 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 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