	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	586	$17,543,731	+1%	123,751	43	772	1.40
2023	616	$17,290,595	-5%	120,969	40	697	1.40
2022	616	$18,250,914	-24%	124,134	42	711	1.40
2021	654	$24,090,351	+4%	146,962	40	659	1.40
2020	580	$23,199,437	first year in data	142,881	46	759	1.40

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	85	$8,661,655	47,046	42	1,082
Texas	36	$2,892,889	14,145	37	2,035
New York	42	$2,271,843	11,637	46	1,800
New Jersey	21	$1,847,898	8,319	50	1,563
Arizona	29	$1,211,228	8,377	76	991
Illinois	26	$809,930	3,759	34	568
Tennessee	23	$776,600	4,141	104	549
Washington	19	$729,468	6,562	70	1,037
Florida	49	$674,131	6,529	53	454
Virginia	18	$219,213	3,320	94	530
Minnesota	16	$177,439	1,339	19	309
Massachusetts	16	$147,331	1,199	42	206
Pennsylvania	16	$147,276	2,610	69	627
Louisiana	22	$119,358	1,521	53	191
North Carolina	13	$93,477	1,111	23	277

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 2020.

Top metro areas

	observed	calculated	calculated	calculated
Los Angeles-Long Beach-Anaheim, CA	46	$6,428,943	36,820	49
New York-Newark-Jersey City, NY-NJ	52	$4,057,604	19,081	45
Dallas-Fort Worth-Arlington, TX	13	$1,462,588	6,364	39
Phoenix-Mesa-Chandler, AZ	20	$1,123,404	7,546	141
Chicago-Naperville-Elgin, IL-IN	27	$826,134	3,887	37
Nashville-Davidson--Murfreesboro--Franklin, TN	17	$483,890	2,914	112
Boston-Cambridge-Newton, MA-NH	11	$92,908	759	15
San Jose-Sunnyvale-Santa Clara, CA	11	$39,273	631	42

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 8 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2020.

Specialties billing 88377 nationally

Pathology accounts for 20% of payment for 88377 nationally in 2020, across 1 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Pathology	483	83%	$4,649,988	20%	49,968	103

Not listed: 4 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 2020.

Top billers of 88377 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