	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	4,522	$63,275,800	+47%	2,066,989	158	1,579	0.61
2023	3,715	$43,117,543	+58%	1,398,461	140	1,311	0.61
2022	2,718	$27,227,829	+116%	855,180	119	1,140	0.61
2021	1,745	$12,624,027	+259%	382,937	89	856	0.61
2020	703	$3,516,990	first year in data	103,565	59	559	0.61

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
Texas	145	$611,007	18,846	66	404
California	84	$477,131	13,386	61	626
New York	53	$391,182	9,956	78	718
Florida	71	$339,723	10,027	76	513
Georgia	44	$224,975	6,959	67	603
Maryland	25	$153,177	4,212	72	553
Illinois	17	$131,839	3,995	156	689
New Jersey	18	$131,733	3,620	69	630
North Carolina	19	$92,899	2,832	98	345
Arizona	34	$87,452	2,832	58	250
Alabama	14	$67,784	2,130	50	723
Massachusetts	15	$64,241	1,840	95	330
Virginia	15	$44,538	1,319	45	263
Pennsylvania	14	$33,270	976	36	234
Michigan	14	$32,341	1,012	41	208

Not listed: 29 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
New York-Newark-Jersey City, NY-NJ	61	$479,366	12,329	74
Los Angeles-Long Beach-Anaheim, CA	42	$236,868	6,697	60
Dallas-Fort Worth-Arlington, TX	59	$202,587	6,244	48
Washington-Arlington-Alexandria, DC-VA-MD-WV	30	$131,097	3,524	52
Miami-Fort Lauderdale-West Palm Beach, FL	29	$120,373	3,499	64
Houston-Pasadena-The Woodlands, TX	26	$107,492	3,302	75
Chicago-Naperville-Elgin, IL-IN	11	$106,503	3,234	194
Atlanta-Sandy Springs-Roswell, GA	19	$68,481	2,077	75
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	21	$43,415	1,298	42
Austin-Round Rock-San Marcos, TX	12	$36,150	1,129	89
Phoenix-Mesa-Chandler, AZ	11	$22,941	730	41

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 11 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 99458 nationally

Internal Medicine accounts for 37% of payment for 99458 nationally in 2020, across 8 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Internal Medicine	220	31%	$1,289,346	37%	36,981	168
Family Practice	166	24%	$672,911	19%	20,201	122
Cardiology	87	12%	$540,144	15%	15,420	177
Nurse Practitioner	65	9.2%	$192,761	5.5%	6,825	105
Nephrology	27	3.8%	$54,917	1.6%	1,588	59
Physician Assistant	15	2.1%	$29,881	0.85%	986	66
Pulmonary Disease	13	1.8%	$28,151	0.80%	839	65
Interventional Cardiology	12	1.7%	$19,559	0.56%	578	48

Not listed: 30 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 99458 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