	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	29,529	$156,798,979	+10%	2,539,170	44	288	1.50
2023	27,157	$142,018,723	+6%	2,260,932	43	282	1.50
2022	25,493	$134,557,211	+2%	2,080,436	41	278	1.50
2021	23,904	$131,593,685	+6%	1,925,281	42	268	1.50
2020	22,389	$124,117,391	first year in data	1,793,292	41	271	1.50

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	2,558	$20,523,817	307,027	50	427
Florida	2,374	$15,869,351	241,939	51	345
New York	2,057	$12,721,241	184,997	43	324
Texas	2,399	$11,482,859	184,054	40	264
Illinois	968	$5,317,826	82,665	46	251
New Jersey	1,064	$5,301,166	84,860	42	284
Maryland	851	$5,219,641	77,913	51	296
Georgia	862	$4,880,412	75,707	49	309
North Carolina	1,150	$4,170,862	68,730	34	196
Arizona	723	$4,034,795	64,584	46	304
Virginia	736	$3,724,756	58,346	43	258
Pennsylvania	924	$3,716,972	61,255	39	207
South Carolina	710	$3,571,006	61,350	49	283
Michigan	966	$3,313,292	59,628	39	183
Nevada	398	$3,020,518	51,013	56	425

Not listed: 5 billers with an armed-forces or unknown state code (AE, AP, XX, ZZ); they are in the national totals.

Not listed: 2 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
New York-Newark-Jersey City, NY-NJ	2,239	$14,465,193	210,057	45
Los Angeles-Long Beach-Anaheim, CA	958	$9,071,898	138,200	49
Chicago-Naperville-Elgin, IL-IN	933	$5,343,542	82,777	48
Washington-Arlington-Alexandria, DC-VA-MD-WV	571	$3,610,417	52,250	51
Miami-Fort Lauderdale-West Palm Beach, FL	600	$3,485,023	53,440	48
Dallas-Fort Worth-Arlington, TX	596	$2,885,115	46,432	48
Houston-Pasadena-The Woodlands, TX	698	$2,795,721	44,647	34
Baltimore-Columbia-Towson, MD	451	$2,615,492	40,365	47
Las Vegas-Henderson-North Las Vegas, NV	291	$2,536,636	42,575	58
Phoenix-Mesa-Chandler, AZ	460	$2,444,671	39,374	44
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	588	$2,338,344	39,365	40
Detroit-Warren-Dearborn, MI	583	$2,079,563	37,299	42
Atlanta-Sandy Springs-Roswell, GA	420	$1,957,516	31,354	48
Riverside-San Bernardino-Ontario, CA	234	$1,731,353	26,387	58
Boston-Cambridge-Newton, MA-NH	421	$1,623,637	25,331	35

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 100 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 99497 nationally

Internal Medicine accounts for 37% of payment for 99497 nationally in 2023, across 28 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Internal Medicine	8,121	30%	$53,086,131	37%	793,306	98
Family Practice	5,577	21%	$34,988,490	25%	514,696	92
Nurse Practitioner	8,512	31%	$32,527,455	23%	604,726	71
Hospitalist	1,416	5.2%	$4,562,419	3.2%	75,038	53
Physician Assistant	1,271	4.7%	$3,793,388	2.7%	69,122	54
Hospice and Palliative Care	671	2.5%	$2,798,810	2.0%	45,675	68
General Practice	198	0.73%	$2,008,456	1.4%	29,212	148
Geriatric Medicine	293	1.1%	$1,468,694	1.0%	22,875	78
Emergency Medicine	157	0.58%	$885,562	0.62%	13,999	89
Neurology	59	0.22%	$826,892	0.58%	12,453	211
Physical Medicine and Rehabilitation	91	0.34%	$802,953	0.57%	13,660	150
Cardiology	73	0.27%	$798,824	0.56%	11,936	164
Pulmonary Disease	90	0.33%	$615,316	0.43%	9,213	102
Nephrology	107	0.39%	$521,905	0.37%	8,155	76
Hematology-Oncology	118	0.43%	$287,908	0.20%	4,521	38

Not listed: 32 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 99497 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