	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	517	$8,993,188	51,808	53	316
California	759	$7,596,950	48,736	37	195
Florida	502	$6,112,568	35,421	41	240
Texas	526	$4,630,069	34,066	38	212
Massachusetts	288	$3,716,668	29,604	60	322
Pennsylvania	336	$2,940,765	25,340	43	272
New Jersey	218	$2,860,777	14,993	41	196
Maryland	179	$2,625,370	14,472	54	214
Illinois	398	$2,504,115	24,524	42	169
Virginia	190	$2,104,959	17,427	52	277
Arizona	141	$1,902,451	12,540	42	299
North Carolina	260	$1,895,799	16,967	40	189
Minnesota	262	$1,742,245	12,044	33	125
Georgia	191	$1,619,813	15,983	49	234
Ohio	201	$1,341,036	13,930	45	215

Not listed: 6 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 2024.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	485	$9,648,681	53,410	64
Los Angeles-Long Beach-Anaheim, CA	234	$3,076,984	18,511	42
Boston-Cambridge-Newton, MA-NH	236	$2,999,968	24,834	61
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	197	$2,748,985	18,980	62
Chicago-Naperville-Elgin, IL-IN	311	$2,033,694	19,880	46
Baltimore-Columbia-Towson, MD	119	$1,954,213	10,931	63
Dallas-Fort Worth-Arlington, TX	173	$1,787,701	11,703	49
Jacksonville, FL	57	$1,665,681	7,743	92
Washington-Arlington-Alexandria, DC-VA-MD-WV	97	$1,587,913	9,117	62
Phoenix-Mesa-Chandler, AZ	89	$1,325,393	8,692	70
Atlanta-Sandy Springs-Roswell, GA	107	$1,118,279	11,511	87
San Jose-Sunnyvale-Santa Clara, CA	98	$1,050,289	8,622	52
San Francisco-Oakland-Fremont, CA	112	$990,769	6,592	40
Miami-Fort Lauderdale-West Palm Beach, FL	108	$989,559	7,456	40
Houston-Pasadena-The Woodlands, TX	149	$957,729	9,306	37

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 2024.

Specialties billing 74183 nationally

Diagnostic Radiology accounts for 88% of payment for 74183 nationally in 2024, across 8 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Diagnostic Radiology	6,926	91%	$60,100,867	88%	468,287	68
Independent Diagnostic Testing Facility (IDTF)	393	5.2%	$5,786,150	8.5%	25,089	64
Interventional Radiology	133	1.8%	$786,929	1.2%	5,967	45
Nuclear Medicine	15	0.20%	$386,638	0.57%	2,426	162
Hematology-Oncology	28	0.37%	$157,276	0.23%	849	30
Internal Medicine	16	0.21%	$154,223	0.23%	1,002	63
Family Practice	18	0.24%	$101,175	0.15%	580	32
Radiation Oncology	13	0.17%	$99,751	0.15%	794	61

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 2024.

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