	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	1,474	$35,975,423	152,175	61	336
Florida	1,163	$21,167,185	104,542	48	291
Texas	1,167	$19,366,273	95,399	47	238
New York	1,188	$17,974,895	78,201	39	183
New Jersey	605	$13,424,142	56,601	58	292
Pennsylvania	837	$10,312,938	55,388	41	195
Maryland	375	$9,660,844	42,254	66	368
Illinois	694	$8,332,133	50,762	46	199
Arizona	344	$7,263,415	33,282	51	359
North Carolina	502	$6,981,453	35,820	44	236
Georgia	463	$6,812,789	32,891	41	238
Ohio	659	$6,189,335	38,482	37	178
Washington	381	$5,863,149	29,448	48	243
Massachusetts	458	$5,145,138	31,804	47	205
Virginia	401	$5,115,154	31,211	53	197

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 2024.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	1,306	$23,962,009	98,133	45
Los Angeles-Long Beach-Anaheim, CA	536	$12,122,488	50,400	53
Washington-Arlington-Alexandria, DC-VA-MD-WV	324	$7,748,487	34,447	67
Dallas-Fort Worth-Arlington, TX	378	$7,435,283	33,487	50
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	436	$7,097,187	33,902	49
Phoenix-Mesa-Chandler, AZ	263	$6,178,988	26,998	49
Chicago-Naperville-Elgin, IL-IN	536	$5,958,641	38,442	47
San Francisco-Oakland-Fremont, CA	177	$5,520,699	19,384	58
Houston-Pasadena-The Woodlands, TX	304	$4,799,179	23,683	46
Atlanta-Sandy Springs-Roswell, GA	274	$4,555,898	20,250	44
Baltimore-Columbia-Towson, MD	183	$4,268,193	19,036	55
Miami-Fort Lauderdale-West Palm Beach, FL	300	$4,018,550	18,851	29
Boston-Cambridge-Newton, MA-NH	346	$3,704,504	23,275	46
Seattle-Tacoma-Bellevue, WA	222	$3,267,159	15,950	44
San Jose-Sunnyvale-Santa Clara, CA	110	$3,157,292	11,735	50

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 2024.

Specialties billing 45380 nationally

Ambulatory Surgical Center accounts for 66% of payment for 45380 nationally in 2024, across 8 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ambulatory Surgical Center	1,789	11%	$162,317,396	66%	410,392	229
Gastroenterology	11,353	70%	$72,236,070	29%	720,078	63
General Surgery	1,504	9.2%	$5,323,857	2.2%	47,533	32
Internal Medicine	778	4.8%	$4,254,587	1.7%	41,351	53
Colorectal Surgery (Proctology)	629	3.9%	$2,447,947	0.99%	22,044	35
Family Practice	141	0.87%	$479,967	0.19%	3,777	27
Hospitalist	26	0.16%	$115,987	0.05%	1,427	55
General Practice	11	0.07%	$59,771	0.02%	324	29

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 2024.

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