	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	7,593	$67,933,461	+8%	507,291	39	211	2.20
2023	7,242	$62,836,962	+9%	443,661	36	196	2.20
2022	6,911	$57,456,029	+4%	394,672	34	179	2.20
2021	6,627	$55,204,826	+17%	357,865	32	170	2.20
2020	6,194	$47,252,237	first year in data	305,038	29	155	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
New York	449	$6,577,650	31,327	37	239
Florida	425	$4,884,044	22,651	27	182
California	502	$4,378,784	23,916	27	145
Texas	388	$3,146,910	19,454	32	167
Massachusetts	276	$2,425,185	16,583	37	175
New Jersey	200	$2,327,201	10,299	33	144
Pennsylvania	303	$2,033,988	16,228	34	168
Maryland	179	$1,964,612	9,470	33	128
Virginia	184	$1,679,508	11,696	37	187
Illinois	299	$1,579,374	13,287	30	125
Arizona	111	$1,550,122	8,118	34	228
North Carolina	182	$1,270,502	10,322	38	159
Minnesota	190	$1,186,729	7,494	25	118
Georgia	158	$1,160,944	10,532	35	211
Michigan	221	$895,361	9,438	29	118

Not listed: 3 billers with an armed-forces or unknown state code (AA, XX, ZZ); 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 2020.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	434	$7,316,457	33,383	43
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	194	$2,072,809	13,160	42
Boston-Cambridge-Newton, MA-NH	225	$1,842,099	13,312	37
Los Angeles-Long Beach-Anaheim, CA	162	$1,749,033	9,958	30
Baltimore-Columbia-Towson, MD	114	$1,363,503	6,520	41
Chicago-Naperville-Elgin, IL-IN	238	$1,284,220	11,106	31
Dallas-Fort Worth-Arlington, TX	125	$1,248,756	6,930	34
Washington-Arlington-Alexandria, DC-VA-MD-WV	113	$1,238,879	6,400	38
Jacksonville, FL	53	$1,138,767	4,721	32
Phoenix-Mesa-Chandler, AZ	78	$1,073,000	5,551	46
Atlanta-Sandy Springs-Roswell, GA	82	$709,115	7,299	62
Miami-Fort Lauderdale-West Palm Beach, FL	93	$674,868	3,938	22
Tampa-St. Petersburg-Clearwater, FL	65	$673,735	3,539	37
Orlando-Kissimmee-Sanford, FL	49	$626,848	3,398	58
Rochester, MN	42	$606,208	3,163	70

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 85 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 74183 nationally

Diagnostic Radiology accounts for 89% of payment for 74183 nationally in 2020, across 6 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Diagnostic Radiology	5,716	92%	$42,105,841	89%	283,449	50
Independent Diagnostic Testing Facility (IDTF)	297	4.8%	$4,079,755	8.6%	15,039	51
Interventional Radiology	90	1.5%	$410,977	0.87%	2,837	32
Nuclear Medicine	14	0.23%	$179,093	0.38%	1,274	91
Internal Medicine	12	0.19%	$105,489	0.22%	549	46
Family Practice	11	0.18%	$57,315	0.12%	279	25

Not listed: 17 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 74183 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