	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	16,278	$247,476,024	-1%	1,249,030	44	236	3.56
2023	16,427	$249,156,906	+3%	1,301,033	46	244	3.56
2022	16,256	$242,022,657	-4%	1,318,857	48	247	3.56
2021	16,397	$250,918,771	+20%	1,349,086	49	247	3.56
2020	15,662	$208,596,658	first year in data	1,145,510	44	225	3.56

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	1,373	$25,391,075	117,088	50	272
Florida	1,065	$18,022,824	96,974	52	291
Texas	1,086	$15,713,908	86,756	47	242
New York	1,095	$13,508,078	61,117	34	151
Pennsylvania	834	$8,917,026	50,448	40	181
New Jersey	571	$8,793,414	40,227	46	219
Maryland	354	$7,571,347	36,233	61	412
North Carolina	507	$7,210,569	40,434	50	251
Illinois	618	$7,167,833	45,258	50	194
Arizona	334	$6,237,830	31,215	49	339
Ohio	630	$5,782,092	36,846	38	180
Georgia	448	$5,685,436	31,029	42	223
Washington	366	$5,607,261	31,048	56	253
South Carolina	242	$4,702,172	27,843	68	378
Tennessee	327	$4,615,816	26,018	43	228

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

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	1,196	$16,253,196	69,768	36
Los Angeles-Long Beach-Anaheim, CA	498	$7,782,774	35,381	43
Dallas-Fort Worth-Arlington, TX	367	$5,775,039	30,062	49
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	432	$5,472,379	27,863	42
Washington-Arlington-Alexandria, DC-VA-MD-WV	293	$5,161,308	26,026	56
Phoenix-Mesa-Chandler, AZ	242	$4,902,068	23,899	51
Chicago-Naperville-Elgin, IL-IN	466	$4,857,044	32,269	51
San Francisco-Oakland-Fremont, CA	172	$3,843,330	15,275	54
Atlanta-Sandy Springs-Roswell, GA	255	$3,489,561	17,632	43
Houston-Pasadena-The Woodlands, TX	252	$3,480,207	18,694	45
Baltimore-Columbia-Towson, MD	181	$3,466,099	16,975	53
Seattle-Tacoma-Bellevue, WA	199	$3,002,822	16,041	57
Boston-Cambridge-Newton, MA-NH	324	$2,980,276	19,113	43
Miami-Fort Lauderdale-West Palm Beach, FL	261	$2,789,530	14,501	31
Jacksonville, FL	109	$2,421,383	12,628	68

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 45380 nationally

Ambulatory Surgical Center accounts for 58% of payment for 45380 nationally in 2020, across 7 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ambulatory Surgical Center	1,763	11%	$121,215,506	58%	370,195	210
Gastroenterology	11,076	71%	$75,721,478	36%	678,291	61
General Surgery	1,455	9.3%	$5,011,511	2.4%	41,408	28
Internal Medicine	678	4.3%	$3,973,480	1.9%	33,309	49
Colorectal Surgery (Proctology)	490	3.1%	$1,890,588	0.91%	16,596	34
Family Practice	145	0.93%	$496,182	0.24%	3,478	24
General Practice	12	0.08%	$63,724	0.03%	371	31

Not listed: 17 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 45380 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