	observed	calculated	calculated	calculated	calculated	calculated
2024	4,000	$23,056,949	+7%	247,950	21	100
2023	3,547	$21,590,957	+10% (2023 changed hospital and observation visit codes)	231,974	21	105
2022	4,118	$19,592,981	+43%	209,953	22	106
2021	1,317	$13,698,650	– (Not compared: 2021 changed office visit values)	144,091	20	125
2020	2,275	$17,219,963	first year in data	182,717	19	123

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	187	$4,215,193	45,513	21	563
Texas	199	$4,199,387	44,794	23	167
Florida	91	$1,515,147	16,184	21	243
Illinois	262	$1,447,437	15,457	19	74
Mississippi	265	$1,083,358	11,747	29	116
New Jersey	55	$827,418	8,838	44	817
Missouri	131	$791,673	8,476	43	94
South Carolina	251	$769,729	8,300	24	82
New York	110	$736,650	7,901	20	136
Tennessee	235	$733,588	7,884	23	91
North Carolina	313	$663,062	7,137	16	60
Massachusetts	182	$596,129	6,371	23	97
Louisiana	167	$453,435	5,087	22	74
Oklahoma	104	$367,710	3,960	29	73
Arkansas	69	$252,976	2,716	31	88

Not listed: 1 billers with an armed-forces or unknown state code (AE); they are in the national totals.

Not listed: 11 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
Los Angeles-Long Beach-Anaheim, CA	46	$3,705,592	40,059	43
Dallas-Fort Worth-Arlington, TX	51	$3,560,999	37,938	26
New York-Newark-Jersey City, NY-NJ	104	$1,367,180	14,623	32
Chicago-Naperville-Elgin, IL-IN	180	$1,190,637	12,697	19
Miami-Fort Lauderdale-West Palm Beach, FL	17	$925,701	9,898	30
St. Louis, MO-IL	86	$705,073	7,551	60
Boston-Cambridge-Newton, MA-NH	140	$455,099	4,866	23
Charlotte-Concord-Gastonia, NC-SC	164	$309,762	3,337	18
Knoxville, TN	98	$302,884	3,261	27
Jackson, MS	53	$225,294	2,446	35
Hattiesburg, MS	51	$207,541	2,242	36
Memphis, TN-MS-AR	41	$206,407	2,223	35
Houston-Pasadena-The Woodlands, TX	26	$193,271	2,077	18
Myrtle Beach-Conway-North Myrtle Beach, SC	42	$192,437	2,060	29
San Diego-Chula Vista-Carlsbad, CA	40	$184,716	1,975	20

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 75 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 87502 nationally

Clinical Laboratory accounts for 55% of payment for 87502 nationally in 2023, across 7 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Clinical Laboratory	175	4.9%	$11,873,345	55%	127,145	727
Nurse Practitioner	1,337	38%	$3,715,412	17%	40,066	30
Family Practice	786	22%	$2,419,498	11%	26,170	33
Physician Assistant	703	20%	$1,831,880	8.5%	19,756	28
Internal Medicine	332	9.4%	$1,031,732	4.8%	11,123	34
Emergency Medicine	141	4.0%	$489,553	2.3%	5,256	37
General Practice	21	0.59%	$64,271	0.30%	690	33

Not listed: 17 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 87502 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