	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	215	$3,378,683	199,623	150	3,392
Florida	347	$3,179,897	188,041	68	1,220
Texas	337	$3,089,423	182,798	48	893
New Jersey	54	$1,969,233	116,399	151	10,826
North Carolina	131	$1,551,963	91,772	46	749
New York	132	$1,517,551	90,291	64	2,364
Arizona	83	$1,461,232	86,406	72	1,482
Ohio	57	$673,187	39,789	43	1,337
Tennessee	165	$646,507	38,409	36	427
Georgia	90	$565,400	33,432	74	438
Alabama	75	$547,702	32,462	49	610
Illinois	41	$452,514	26,773	65	1,236
Kansas	16	$443,214	26,215	64	8,440
South Carolina	64	$406,572	24,089	87	1,264
Massachusetts	37	$388,427	22,947	38	5,126

Not listed: 14 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 2021.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	142	$3,414,783	202,418	131
Los Angeles-Long Beach-Anaheim, CA	154	$2,235,616	132,082	142
Tampa-St. Petersburg-Clearwater, FL	17	$1,467,021	86,780	57
Phoenix-Mesa-Chandler, AZ	43	$1,403,530	82,988	145
Dallas-Fort Worth-Arlington, TX	86	$1,167,441	69,081	66
Houston-Pasadena-The Woodlands, TX	69	$785,824	46,461	39
Austin-Round Rock-San Marcos, TX	31	$721,845	42,666	24
Miami-Fort Lauderdale-West Palm Beach, FL	66	$701,994	41,511	127
Birmingham, AL	32	$457,121	27,058	38
Chicago-Naperville-Elgin, IL-IN	34	$456,365	27,007	72
Atlanta-Sandy Springs-Roswell, GA	26	$454,160	26,830	108
Columbus, OH	29	$380,353	22,474	38
Boston-Cambridge-Newton, MA-NH	19	$344,179	20,322	38
Nashville-Davidson--Murfreesboro--Franklin, TN	30	$340,597	20,193	40
Las Vegas-Henderson-North Las Vegas, NV	24	$291,317	17,225	79

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 51 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2021.

Specialties billing 84481 nationally

Clinical Laboratory accounts for 78% of payment for 84481 nationally in 2021, across 13 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Clinical Laboratory	514	19%	$18,722,600	78%	1,107,550	2,155
Internal Medicine	553	21%	$1,630,634	6.8%	96,558	175
Family Practice	629	24%	$1,313,268	5.5%	77,897	124
Endocrinology	294	11%	$1,171,197	4.9%	69,488	236
Nurse Practitioner	283	11%	$309,518	1.3%	18,374	65
Pathology	23	0.86%	$148,478	0.62%	8,804	383
Hematology-Oncology	78	2.9%	$133,874	0.56%	7,942	102
Physician Assistant	105	3.9%	$101,233	0.42%	6,007	57
Cardiology	22	0.82%	$83,472	0.35%	4,955	225
General Practice	26	0.97%	$77,089	0.32%	4,573	176
Rheumatology	12	0.45%	$37,885	0.16%	2,268	189
Obstetrics & Gynecology	34	1.3%	$29,785	0.12%	1,782	52
Medical Oncology	18	0.67%	$18,898	0.08%	1,121	62

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 2021.

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