	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	61	$8,616,957	1,421	22	40
Texas	39	$4,730,241	821	20	38
Mississippi	14	$3,859,840	630	24	140
Georgia	19	$2,350,815	344	15	30
Tennessee	29	$2,301,811	528	15	33
South Carolina	16	$2,130,128	352	14	59
California	17	$1,943,899	260	12	28
Maryland	11	$1,707,079	243	23	37
Arizona	12	$1,490,802	222	15	36
Oklahoma	23	$1,254,462	438	16	40
Missouri	14	$1,105,851	268	16	35
Pennsylvania	12	$1,069,944	193	14	26
New York	15	$818,446	289	18	30
Ohio	17	$625,503	268	15	24
Indiana	13	$497,840	325	14	65

Not listed: 24 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
Dallas-Fort Worth-Arlington, TX	16	$1,866,783	290	15
Atlanta-Sandy Springs-Roswell, GA	11	$1,610,182	224	17
Nashville-Davidson--Murfreesboro--Franklin, TN	12	$1,422,593	239	19
New York-Newark-Jersey City, NY-NJ	14	$762,940	261	16
Oklahoma City, OK	11	$189,373	182	16

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 5 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 64590 nationally

Ambulatory Surgical Center accounts for 99% of payment for 64590 nationally in 2021, across 3 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ambulatory Surgical Center	139	32%	$47,429,439	99%	3,494	25
Urology	198	45%	$304,769	0.64%	3,805	19
Obstetrics & Gynecology	75	17%	$129,911	0.27%	1,616	22

Not listed: 9 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 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