	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	738	$2,196,514	20,898	20	68
Florida	584	$2,048,695	17,795	22	77
New York	521	$1,953,399	16,961	22	84
Texas	575	$1,589,916	16,160	20	74
Minnesota	445	$1,548,564	13,578	23	77
Illinois	437	$1,186,315	12,362	21	65
Pennsylvania	454	$1,177,946	13,605	20	75
Maryland	240	$1,068,314	8,814	30	97
North Carolina	302	$993,500	9,973	22	92
Massachusetts	263	$970,115	10,576	23	136
Virginia	257	$911,135	9,104	22	110
Ohio	305	$782,897	9,548	24	77
Michigan	342	$758,865	8,998	20	58
New Jersey	209	$632,157	6,218	19	92
Missouri	248	$616,508	7,387	22	70

Not listed: 4 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 2022.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	467	$1,887,243	16,156	21
Chicago-Naperville-Elgin, IL-IN	332	$957,715	9,836	22
Minneapolis-St. Paul-Bloomington, MN-WI	326	$802,191	9,485	23
Baltimore-Columbia-Towson, MD	168	$790,274	6,565	32
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	242	$761,996	8,124	20
Boston-Cambridge-Newton, MA-NH	182	$742,338	7,897	22
Los Angeles-Long Beach-Anaheim, CA	219	$689,043	6,891	19
Rochester, MN	66	$662,270	2,979	25
Washington-Arlington-Alexandria, DC-VA-MD-WV	132	$605,199	4,810	23
Dallas-Fort Worth-Arlington, TX	180	$528,294	5,183	19
Houston-Pasadena-The Woodlands, TX	145	$475,809	4,932	25
Phoenix-Mesa-Chandler, AZ	125	$443,282	3,776	23
Seattle-Tacoma-Bellevue, WA	135	$401,279	4,544	23
Jacksonville, FL	82	$329,767	2,410	23
Detroit-Warren-Dearborn, MI	154	$316,637	3,670	19

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 2022.

Specialties billing 74174 nationally

Diagnostic Radiology accounts for 85% of payment for 74174 nationally in 2022, across 8 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Diagnostic Radiology	8,357	90%	$22,968,541	85%	246,370	29
Interventional Radiology	593	6.4%	$2,236,379	8.2%	22,156	37
Cardiology	144	1.5%	$753,221	2.8%	5,162	36
Independent Diagnostic Testing Facility (IDTF)	75	0.81%	$610,905	2.3%	2,308	31
Interventional Cardiology	35	0.38%	$283,686	1.0%	1,468	42
Internal Medicine	14	0.15%	$68,716	0.25%	637	46
Vascular Surgery	19	0.20%	$62,080	0.23%	538	28
Nuclear Medicine	20	0.22%	$55,743	0.21%	645	32

Not listed: 18 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 2022.

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