	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	84	$12,752,687	1,980	20	46
Texas	56	$7,520,129	1,093	16	38
Arizona	25	$4,725,532	686	15	121
Mississippi	20	$4,028,277	663	28	78
Maryland	23	$3,475,165	451	19	37
California	26	$3,407,956	477	16	33
Georgia	24	$2,241,052	460	15	37
Oklahoma	25	$2,218,955	490	16	33
Colorado	18	$1,986,376	324	16	34
Tennessee	28	$1,884,462	491	15	34
South Carolina	14	$1,551,235	270	18	36
Missouri	15	$1,073,276	283	19	31
Kansas	13	$971,465	201	15	23
Iowa	11	$923,191	161	14	22
Virginia	12	$912,626	223	18	28

Not listed: 22 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 2023.

Top metro areas

	observed	calculated	calculated	calculated
Phoenix-Mesa-Chandler, AZ	20	$4,302,248	605	16
Dallas-Fort Worth-Arlington, TX	20	$2,959,557	428	18
Jackson, MS	12	$2,098,794	361	28
Austin-Round Rock-San Marcos, TX	12	$1,960,160	244	16
Tampa-St. Petersburg-Clearwater, FL	13	$1,919,498	293	19
Baltimore-Columbia-Towson, MD	12	$1,885,717	263	20
Atlanta-Sandy Springs-Roswell, GA	14	$1,820,077	302	17
Denver-Aurora-Centennial, CO	11	$1,273,522	185	17
Washington-Arlington-Alexandria, DC-VA-MD-WV	11	$1,144,310	170	13
Oklahoma City, OK	13	$1,132,327	255	15
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	12	$1,046,431	199	13
Nashville-Davidson--Murfreesboro--Franklin, TN	11	$945,059	222	17
New York-Newark-Jersey City, NY-NJ	12	$767,618	197	16

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 13 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2023.

Specialties billing 64590 nationally

Ambulatory Surgical Center accounts for 99% of payment for 64590 nationally in 2023, across 4 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ambulatory Surgical Center	174	31%	$65,669,731	99%	4,549	26
Urology	249	44%	$350,726	0.53%	4,533	18
Obstetrics & Gynecology	94	17%	$152,045	0.23%	2,007	21
General Surgery	11	2.0%	$20,923	0.03%	235	21

Not listed: 12 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 2023.

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