	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	17,191	$209,306,859	+4%	1,596,641	60	271	2.39
2023	17,140	$201,872,979	-5%	1,603,452	61	277	2.39
2022	17,093	$212,795,258	-6%	1,635,009	63	279	2.39
2021	17,240	$225,489,880	+14%	1,714,975	65	294	2.39
2020	16,773	$197,171,247	first year in data	1,531,820	60	266	2.39

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	1,460	$22,863,249	147,475	67	315
Florida	1,220	$21,503,139	163,810	85	425
New York	1,211	$15,430,604	86,255	47	198
Texas	1,129	$13,320,295	110,742	67	262
New Jersey	612	$9,904,234	58,749	66	290
Pennsylvania	860	$8,296,863	64,212	54	210
North Carolina	552	$7,030,039	55,839	63	315
Illinois	643	$6,330,045	56,541	64	229
Georgia	481	$6,109,967	47,586	67	288
Ohio	680	$6,087,735	52,208	52	215
Maryland	356	$6,033,782	41,335	76	367
Arizona	336	$4,793,566	34,301	62	344
South Carolina	277	$4,594,445	37,652	84	410
Michigan	506	$4,554,893	38,662	49	235
Tennessee	365	$4,409,564	38,339	71	287

Not listed: 1 billers with an armed-forces or unknown state code (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 2020.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	1,332	$19,533,876	102,675	50
Los Angeles-Long Beach-Anaheim, CA	538	$7,834,480	51,486	62
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	441	$4,947,820	34,665	57
Chicago-Naperville-Elgin, IL-IN	480	$4,153,808	38,969	66
Miami-Fort Lauderdale-West Palm Beach, FL	322	$4,134,786	28,963	53
Dallas-Fort Worth-Arlington, TX	339	$3,680,363	30,915	65
Washington-Arlington-Alexandria, DC-VA-MD-WV	298	$3,607,089	26,509	61
Atlanta-Sandy Springs-Roswell, GA	270	$3,396,918	24,821	65
Phoenix-Mesa-Chandler, AZ	234	$3,315,465	23,532	60
Baltimore-Columbia-Towson, MD	180	$2,981,062	21,021	78
Houston-Pasadena-The Woodlands, TX	273	$2,925,748	22,884	59
San Francisco-Oakland-Fremont, CA	177	$2,762,206	15,802	64
Tampa-St. Petersburg-Clearwater, FL	190	$2,631,052	20,665	76
Detroit-Warren-Dearborn, MI	213	$2,435,880	19,507	65
Boston-Cambridge-Newton, MA-NH	326	$2,392,538	20,712	47

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 2020.

Specialties billing 43239 nationally

Ambulatory Surgical Center accounts for 54% of payment for 43239 nationally in 2020, across 9 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ambulatory Surgical Center	1,775	11%	$105,632,744	54%	432,761	244
Gastroenterology	11,896	71%	$80,745,732	41%	970,632	82
General Surgery	2,065	12%	$5,318,519	2.7%	67,450	33
Internal Medicine	788	4.7%	$4,688,167	2.4%	52,437	67
Family Practice	88	0.52%	$190,607	0.10%	1,995	23
Colorectal Surgery (Proctology)	42	0.25%	$108,085	0.05%	1,469	35
Thoracic Surgery	33	0.20%	$82,377	0.04%	1,043	32
General Practice	21	0.13%	$74,485	0.04%	708	34
Vascular Surgery	12	0.07%	$26,671	0.01%	349	29

Not listed: 23 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 43239 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