	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	490	$8,178,548	42,472	48	319
California	632	$5,862,117	34,884	32	162
Florida	444	$5,593,429	28,037	35	224
Texas	462	$3,834,561	26,021	35	179
Massachusetts	275	$3,056,034	21,543	43	240
Pennsylvania	327	$2,600,337	21,155	39	211
New Jersey	207	$2,344,990	10,968	35	151
Maryland	178	$2,155,172	10,302	37	153
Illinois	357	$2,086,472	18,796	38	147
Virginia	198	$1,952,576	14,780	44	226
Arizona	115	$1,778,679	10,459	38	321
North Carolina	206	$1,476,978	12,329	44	156
Minnesota	235	$1,417,214	9,772	27	103
Georgia	176	$1,370,165	13,148	46	205
Michigan	224	$1,052,915	11,521	34	148

Not listed: 5 billers with an armed-forces or unknown state code (AA, AP, XX, ZZ); 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 2022.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	461	$8,608,585	42,678	53
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	194	$2,439,486	15,926	52
Boston-Cambridge-Newton, MA-NH	232	$2,431,751	17,694	41
Los Angeles-Long Beach-Anaheim, CA	212	$2,371,019	13,795	33
Chicago-Naperville-Elgin, IL-IN	290	$1,766,562	15,902	40
Baltimore-Columbia-Towson, MD	119	$1,577,612	7,652	50
Dallas-Fort Worth-Arlington, TX	158	$1,495,168	8,962	41
Washington-Arlington-Alexandria, DC-VA-MD-WV	106	$1,357,330	7,209	52
Phoenix-Mesa-Chandler, AZ	83	$1,314,311	7,838	45
Jacksonville, FL	59	$1,288,142	5,677	54
Atlanta-Sandy Springs-Roswell, GA	98	$937,853	9,403	89
Miami-Fort Lauderdale-West Palm Beach, FL	85	$822,993	5,124	37
San Diego-Chula Vista-Carlsbad, CA	94	$768,709	4,567	31
Orlando-Kissimmee-Sanford, FL	51	$741,274	4,288	43
Houston-Pasadena-The Woodlands, TX	143	$734,084	7,414	35

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 92 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 74183 nationally

Diagnostic Radiology accounts for 89% of payment for 74183 nationally in 2022, across 6 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Diagnostic Radiology	6,355	92%	$51,042,057	89%	365,142	57
Independent Diagnostic Testing Facility (IDTF)	355	5.1%	$4,973,236	8.7%	19,920	56
Interventional Radiology	85	1.2%	$577,359	1.0%	3,878	46
Nuclear Medicine	17	0.25%	$295,548	0.51%	1,988	117
Hematology-Oncology	23	0.33%	$129,642	0.23%	680	30
Family Practice	12	0.17%	$44,213	0.08%	321	27

Not listed: 21 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 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