	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	1,420	$31,727,324	142,949	60	320
Florida	1,122	$21,372,341	111,780	55	327
Texas	1,134	$18,777,198	100,913	52	262
New York	1,193	$18,114,322	78,749	39	188
New Jersey	597	$11,552,392	51,748	56	264
Pennsylvania	863	$10,536,292	59,715	45	213
Maryland	358	$9,463,627	43,926	75	557
Illinois	656	$8,689,618	54,888	57	224
North Carolina	525	$8,105,553	45,123	54	274
Arizona	346	$7,718,259	37,293	59	378
Ohio	660	$6,913,202	42,572	41	179
Georgia	462	$6,779,574	36,022	50	241
Washington	376	$6,537,480	35,730	59	300
Massachusetts	450	$5,677,209	34,767	54	202
Tennessee	333	$5,274,662	28,891	46	258

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 2021.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	1,297	$22,169,930	93,003	43
Los Angeles-Long Beach-Anaheim, CA	511	$10,466,991	45,335	51
Washington-Arlington-Alexandria, DC-VA-MD-WV	314	$7,032,435	33,952	68
Dallas-Fort Worth-Arlington, TX	380	$6,965,837	35,097	56
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	445	$6,631,722	33,801	46
Phoenix-Mesa-Chandler, AZ	254	$6,259,443	29,179	62
Chicago-Naperville-Elgin, IL-IN	484	$5,955,450	39,648	60
San Francisco-Oakland-Fremont, CA	183	$4,741,951	18,918	58
Houston-Pasadena-The Woodlands, TX	278	$4,382,088	23,055	49
Atlanta-Sandy Springs-Roswell, GA	266	$4,320,793	21,438	52
Boston-Cambridge-Newton, MA-NH	353	$4,147,174	25,987	53
Baltimore-Columbia-Towson, MD	178	$4,094,327	19,378	61
Seattle-Tacoma-Bellevue, WA	204	$3,721,897	19,441	60
Miami-Fort Lauderdale-West Palm Beach, FL	286	$3,648,045	18,769	34
Detroit-Warren-Dearborn, MI	214	$2,745,589	15,188	36

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 2021.

Specialties billing 45380 nationally

Ambulatory Surgical Center accounts for 59% of payment for 45380 nationally in 2021, across 8 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ambulatory Surgical Center	1,775	11%	$149,271,564	59%	437,778	247
Gastroenterology	11,487	70%	$87,633,104	35%	793,596	69
General Surgery	1,585	9.7%	$5,867,724	2.3%	49,529	31
Internal Medicine	718	4.4%	$4,579,102	1.8%	38,928	54
Colorectal Surgery (Proctology)	574	3.5%	$2,448,772	0.98%	21,066	37
Family Practice	184	1.1%	$611,870	0.24%	4,483	24
General Practice	14	0.09%	$87,018	0.03%	505	36
Hospitalist	12	0.07%	$63,990	0.03%	652	54

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 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