	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	91	$4,376,539	28,034	44	625
New Jersey	16	$3,122,890	13,755	61	3,926
New York	41	$2,787,702	13,200	49	2,420
Texas	48	$1,801,120	10,481	50	1,117
Arizona	34	$894,669	7,765	72	970
Washington	15	$741,023	6,869	159	1,529
Florida	34	$566,860	5,755	87	634
Tennessee	44	$493,480	3,821	34	355
Illinois	28	$420,638	3,999	52	507
Virginia	21	$329,595	3,863	39	684
Minnesota	18	$161,482	1,620	22	311
Massachusetts	20	$122,293	1,192	26	183
Pennsylvania	16	$113,965	2,174	65	526
Louisiana	21	$98,771	1,346	35	208
Ohio	28	$72,394	1,184	21	179

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
New York-Newark-Jersey City, NY-NJ	47	$5,864,585	26,414	53
Los Angeles-Long Beach-Anaheim, CA	55	$4,036,853	23,704	48
Dallas-Fort Worth-Arlington, TX	23	$1,032,317	4,940	51
Phoenix-Mesa-Chandler, AZ	24	$781,828	6,619	69
Chicago-Naperville-Elgin, IL-IN	30	$436,701	4,157	52
Seattle-Tacoma-Bellevue, WA	11	$426,730	4,644	78
Nashville-Davidson--Murfreesboro--Franklin, TN	32	$417,551	3,428	38
Virginia Beach-Chesapeake-Norfolk, VA-NC	11	$266,862	3,261	54
Boston-Cambridge-Newton, MA-NH	16	$83,175	820	26
Columbus, OH	13	$14,549	296	20

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 10 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 88377 nationally

Pathology accounts for 31% of payment for 88377 nationally in 2022, across 1 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Pathology	526	85%	$5,635,962	31%	58,374	111

Not listed: 5 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 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