	observed	calculated	calculated	calculated	calculated	calculated
2024	2,849	$24,989,781	+3%	1,508,494	52	1,192
2023	2,763	$24,279,070	+2%	1,466,009	51	1,183
2022	2,667	$23,696,999	-1%	1,420,512	55	1,173
2021	2,668	$23,885,052	+8%	1,413,681	59	1,218
2020	2,648	$22,027,959	first year in data	1,311,812	56	1,142

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	210	$3,242,291	193,932	154	3,423
Texas	339	$3,181,320	190,567	46	907
Florida	326	$3,102,579	185,658	60	1,056
New Jersey	55	$2,071,467	123,985	269	11,098
North Carolina	131	$1,539,920	92,213	44	613
New York	140	$1,497,472	90,348	51	1,697
Arizona	99	$1,495,432	89,568	47	1,482
Ohio	51	$680,521	40,757	52	1,506
Tennessee	177	$664,718	40,022	34	412
Alabama	72	$552,833	33,175	66	528
Georgia	82	$538,863	32,274	79	461
Kansas	17	$487,112	29,176	81	8,269
Illinois	49	$452,332	27,118	44	1,430
Massachusetts	31	$378,504	22,646	30	5,083
South Carolina	63	$331,853	19,920	81	1,012

Not listed: 13 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	142	$3,441,825	206,717	129
Los Angeles-Long Beach-Anaheim, CA	146	$2,173,446	130,009	159
Tampa-St. Petersburg-Clearwater, FL	14	$1,464,020	87,590	136
Phoenix-Mesa-Chandler, AZ	49	$1,430,011	85,634	115
Dallas-Fort Worth-Arlington, TX	74	$1,205,848	72,232	86
Houston-Pasadena-The Woodlands, TX	80	$816,012	48,859	37
Austin-Round Rock-San Marcos, TX	30	$777,794	46,531	25
Miami-Fort Lauderdale-West Palm Beach, FL	60	$697,851	41,759	123
Birmingham, AL	33	$471,338	28,259	56
Chicago-Naperville-Elgin, IL-IN	41	$457,778	27,449	50
Atlanta-Sandy Springs-Roswell, GA	25	$436,889	26,139	97
Columbus, OH	27	$377,510	22,598	35
Nashville-Davidson--Murfreesboro--Franklin, TN	31	$358,004	21,518	44
Boston-Cambridge-Newton, MA-NH	16	$342,944	20,505	42
Las Vegas-Henderson-North Las Vegas, NV	28	$276,993	16,590	58

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 54 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 84481 nationally

Clinical Laboratory accounts for 79% of payment for 84481 nationally in 2022, across 13 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Clinical Laboratory	517	19%	$18,750,838	79%	1,123,234	2,173
Internal Medicine	568	21%	$1,503,361	6.3%	90,149	159
Family Practice	614	23%	$1,289,128	5.4%	77,558	126
Endocrinology	300	11%	$1,109,294	4.7%	66,664	222
Nurse Practitioner	286	11%	$313,966	1.3%	18,859	66
Pathology	23	0.86%	$150,168	0.63%	9,013	392
Physician Assistant	118	4.4%	$117,930	0.50%	7,084	60
Hematology-Oncology	63	2.4%	$114,101	0.48%	6,843	109
Cardiology	24	0.90%	$88,807	0.37%	5,339	222
General Practice	25	0.94%	$65,362	0.28%	3,920	157
Rheumatology	12	0.45%	$48,261	0.20%	2,913	243
Obstetrics & Gynecology	29	1.1%	$28,453	0.12%	1,719	59
Medical Oncology	17	0.64%	$14,973	0.06%	894	53

Not listed: 18 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 84481 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