	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	23,893	$287,212,665	-1%	3,593,132	111	414	1.82
2023	23,621	$289,290,559	+5%	3,446,967	110	396	1.82
2022	23,385	$276,149,977	-8%	3,169,892	103	365	1.82
2021	23,525	$301,452,378	+8%	3,383,111	110	384	1.82
2020	23,389	$279,469,717	first year in data	3,105,865	103	352	1.82

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	2,023	$24,292,653	246,498	83	353
Florida	1,440	$20,805,003	192,471	93	359
New York	1,364	$19,973,236	191,254	96	418
Texas	1,880	$19,503,421	220,298	84	324
Minnesota	902	$11,742,104	136,645	124	395
Illinois	994	$11,359,309	141,249	116	346
Pennsylvania	1,040	$10,009,915	133,095	98	343
North Carolina	821	$9,225,672	113,597	101	385
Maryland	433	$9,128,171	72,154	141	423
Massachusetts	622	$8,884,428	105,583	122	508
Virginia	584	$8,395,714	97,019	142	434
New Jersey	609	$7,817,275	69,954	87	289
Tennessee	569	$7,205,201	78,179	104	352
Michigan	727	$6,964,797	98,224	109	339
Ohio	805	$6,862,072	95,705	96	300

Not listed: 7 billers with an armed-forces or unknown state code (AA, AP, 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 2022.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	1,250	$20,541,396	184,125	101
Chicago-Naperville-Elgin, IL-IN	739	$8,523,926	107,996	115
Minneapolis-St. Paul-Bloomington, MN-WI	663	$8,249,786	104,925	126
Los Angeles-Long Beach-Anaheim, CA	677	$7,528,084	76,086	75
Boston-Cambridge-Newton, MA-NH	494	$7,230,210	83,163	120
Dallas-Fort Worth-Arlington, TX	642	$6,370,925	67,466	76
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	542	$6,316,307	71,462	101
Baltimore-Columbia-Towson, MD	289	$5,985,680	48,057	141
Washington-Arlington-Alexandria, DC-VA-MD-WV	308	$5,764,699	47,820	112
Phoenix-Mesa-Chandler, AZ	299	$4,970,754	44,996	108
Houston-Pasadena-The Woodlands, TX	455	$4,504,374	60,168	90
Miami-Fort Lauderdale-West Palm Beach, FL	358	$4,355,029	46,735	96
Seattle-Tacoma-Bellevue, WA	339	$4,004,007	45,793	94
Atlanta-Sandy Springs-Roswell, GA	361	$3,489,311	46,620	97
St. Louis, MO-IL	305	$3,149,581	44,058	106

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 100 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 74177 nationally

Diagnostic Radiology accounts for 89% of payment for 74177 nationally in 2022, across 16 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Diagnostic Radiology	20,714	89%	$244,581,545	89%	2,952,733	143
Independent Diagnostic Testing Facility (IDTF)	421	1.8%	$10,035,204	3.6%	46,272	110
Interventional Radiology	755	3.2%	$6,850,002	2.5%	80,837	107
Hematology-Oncology	480	2.1%	$5,663,601	2.1%	31,530	66
Nuclear Medicine	85	0.36%	$2,244,344	0.81%	14,845	175
Medical Oncology	180	0.77%	$1,768,002	0.64%	9,880	55
Radiation Oncology	127	0.54%	$1,379,838	0.50%	8,812	69
Internal Medicine	119	0.51%	$881,618	0.32%	5,747	48
Gastroenterology	94	0.40%	$491,890	0.18%	2,903	31
Family Practice	104	0.44%	$460,832	0.17%	2,865	28
Urology	89	0.38%	$309,673	0.11%	1,843	21
Emergency Medicine	37	0.16%	$197,402	0.07%	1,303	35
Gynecological Oncology	19	0.08%	$127,574	0.05%	782	41
Nurse Practitioner	27	0.12%	$94,604	0.03%	525	19
Physician Assistant	28	0.12%	$87,251	0.03%	472	17

Not listed: 31 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 74177 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