	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	576	$71,167,475	+7%	12,311	16	48	5.10
2023	561	$66,248,675	+30%	12,077	16	43	2.45
2022	458	$50,983,248	+6%	9,835	16	42	2.45
2021	437	$47,910,660	+41%	9,461	16	41	2.45
2020	308	$34,048,503	first year in data	6,629	17	45	2.45

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
Florida	70	$9,388,224	1,559	18	50
Texas	42	$5,169,469	787	16	35
Arkansas	13	$3,744,434	745	15	270
Maryland	20	$3,278,852	431	22	30
Mississippi	12	$3,063,015	540	30	106
Tennessee	28	$2,736,282	523	16	31
Arizona	15	$2,220,579	294	17	33
Georgia	21	$2,139,569	397	16	37
South Carolina	17	$1,834,158	346	14	54
Colorado	13	$1,726,524	245	18	30
California	16	$1,645,727	310	16	40
Missouri	13	$1,509,793	310	21	51
Pennsylvania	11	$1,061,926	184	14	29
Oklahoma	21	$939,255	404	18	36
New York	11	$834,195	235	20	32

Not listed: 23 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 2022.

Top metro areas

	observed	calculated	calculated	calculated
Dallas-Fort Worth-Arlington, TX	14	$2,465,630	314	19
Phoenix-Mesa-Chandler, AZ	15	$2,220,579	294	17
Baltimore-Columbia-Towson, MD	13	$2,016,998	294	22
Atlanta-Sandy Springs-Roswell, GA	15	$1,761,303	299	16
Nashville-Davidson--Murfreesboro--Franklin, TN	12	$1,644,751	263	20
Tampa-St. Petersburg-Clearwater, FL	12	$1,313,237	214	15
New York-Newark-Jersey City, NY-NJ	12	$902,657	236	19

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 7 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2022.

Specialties billing 64590 nationally

Ambulatory Surgical Center accounts for 99% of payment for 64590 nationally in 2022, across 4 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ambulatory Surgical Center	143	31%	$50,504,849	99%	3,701	26
Urology	207	45%	$294,771	0.58%	3,777	18
Obstetrics & Gynecology	77	17%	$127,111	0.25%	1,665	22
General Surgery	12	2.6%	$23,002	0.05%	261	22

Not listed: 8 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 2022.

Top billers of 64590 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