	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	4,020	$26,344,736	-9%	380,001	43	346	0.73
2023	4,011	$29,108,107	-12%	394,794	46	345	0.73
2022	3,973	$33,044,778	-7%	461,359	50	421	0.73
2021	3,868	$35,464,363	+16%	506,453	55	488	0.73
2020	3,697	$30,626,462	first year in data	443,910	52	441	0.73

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	629	$13,878,291	167,896	143	904
Florida	416	$4,641,550	68,701	64	658
California	414	$3,216,412	44,585	50	426
New Jersey	234	$2,226,404	26,440	55	327
Connecticut	155	$1,417,048	24,119	96	488
Texas	314	$1,400,378	25,131	46	301
Illinois	174	$817,692	21,879	56	501
Arizona	81	$757,263	10,821	57	408
Pennsylvania	157	$694,290	11,698	37	247
Georgia	76	$661,436	8,397	55	390
Nevada	36	$634,390	6,676	40	541
Tennessee	84	$581,415	9,709	41	481
Massachusetts	29	$389,756	6,039	33	1,281
Puerto Rico	66	$329,491	5,152	47	240
Maryland	61	$306,287	3,657	22	188

Not listed: 1 billers with an armed-forces or unknown state code (XX); they are in the national totals.

Not listed: 11 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 2021.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	601	$14,015,947	163,751	142
Miami-Fort Lauderdale-West Palm Beach, FL	139	$2,189,636	34,976	177
Los Angeles-Long Beach-Anaheim, CA	175	$1,495,613	19,253	51
Chicago-Naperville-Elgin, IL-IN	155	$755,907	20,874	59
Kiryas Joel-Poughkeepsie-Newburgh, NY	53	$718,148	10,219	103
Orlando-Kissimmee-Sanford, FL	52	$676,679	8,929	41
Phoenix-Mesa-Chandler, AZ	64	$585,837	8,206	57
Las Vegas-Henderson-North Las Vegas, NV	28	$580,374	6,078	42
Houston-Pasadena-The Woodlands, TX	129	$549,742	11,121	69
Bridgeport-Stamford-Danbury, CT	43	$518,356	9,936	157
Atlanta-Sandy Springs-Roswell, GA	33	$477,851	5,274	62
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	93	$447,246	7,633	37
New Haven, CT	35	$424,280	6,849	115
Boston-Cambridge-Newton, MA-NH	21	$341,220	5,254	51
Hartford-West Hartford-East Hartford, CT	44	$319,620	5,381	91

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 56 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2021.

Specialties billing 76641 nationally

Diagnostic Radiology accounts for 89% of payment for 76641 nationally in 2021, across 7 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Diagnostic Radiology	3,430	89%	$31,416,103	89%	460,335	134
General Surgery	93	2.4%	$1,748,670	4.9%	18,675	201
Independent Diagnostic Testing Facility (IDTF)	140	3.6%	$1,132,080	3.2%	13,817	99
Obstetrics & Gynecology	95	2.5%	$387,587	1.1%	5,407	57
Interventional Radiology	26	0.67%	$89,519	0.25%	1,204	46
Internal Medicine	12	0.31%	$61,310	0.17%	588	49
Family Practice	22	0.57%	$53,885	0.15%	698	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 2021.

Top billers of 76641 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