	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	10,926	$106,566,352	+40%	2,958,539	87	834	0.70
2023	8,395	$76,179,712	+72%	2,088,253	82	721	0.70
2022	6,204	$44,201,252	+96%	1,206,999	77	698	0.70
2021	4,346	$22,534,226	not in the 2020 file	780,294	71	659	0.54

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). Data years 2021–2024.

By state

	observed	calculated	calculated	calculated	calculated
Connecticut	67	$16,156,955	381,841	84	413
New York	457	$6,310,718	169,701	91	927
California	508	$6,260,051	158,744	125	1,306
Texas	758	$5,579,485	157,754	87	829
Florida	540	$4,718,851	137,349	105	1,006
North Carolina	496	$2,990,353	90,498	87	578
Georgia	331	$2,138,597	63,376	70	623
New Jersey	268	$2,134,140	53,728	113	581
Pennsylvania	296	$2,124,874	62,066	104	590
Mississippi	212	$1,956,470	59,618	82	1,480
Illinois	315	$1,883,042	51,597	68	654
Tennessee	237	$1,852,464	55,523	92	1,053
Arizona	254	$1,839,567	53,287	90	657
Louisiana	271	$1,808,085	54,534	98	653
Michigan	182	$1,519,860	42,123	57	505

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

Not listed: 10 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
Bridgeport-Stamford-Danbury, CT	16	$15,940,542	375,910	133
New York-Newark-Jersey City, NY-NJ	489	$6,843,222	179,965	100
Los Angeles-Long Beach-Anaheim, CA	192	$2,535,589	64,533	157
Chicago-Naperville-Elgin, IL-IN	290	$1,735,498	47,609	68
Phoenix-Mesa-Chandler, AZ	187	$1,579,662	45,442	103
Houston-Pasadena-The Woodlands, TX	156	$1,326,888	36,369	115
Detroit-Warren-Dearborn, MI	100	$1,255,929	34,091	75
Dallas-Fort Worth-Arlington, TX	149	$1,111,713	32,010	82
Las Vegas-Henderson-North Las Vegas, NV	87	$1,092,464	31,102	247
Charlotte-Concord-Gastonia, NC-SC	132	$1,088,048	32,629	125
Jackson, MS	50	$1,000,944	30,262	175
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	171	$998,095	26,918	100
Miami-Fort Lauderdale-West Palm Beach, FL	82	$841,429	24,661	93
Atlanta-Sandy Springs-Roswell, GA	136	$788,783	23,056	63
Washington-Arlington-Alexandria, DC-VA-MD-WV	147	$763,559	20,889	56

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 89 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 99439 nationally

Geriatric Medicine accounts for 21% of payment for 99439 nationally in 2023, across 26 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Geriatric Medicine	40	0.48%	$16,219,843	21%	383,281	9,582
Internal Medicine	1,914	23%	$15,165,401	20%	417,566	218
Family Practice	2,037	24%	$13,485,939	18%	380,944	187
Gastroenterology	511	6.1%	$7,514,069	9.9%	209,402	410
Nurse Practitioner	1,697	20%	$7,196,758	9.4%	235,735	139
Cardiology	290	3.5%	$4,267,558	5.6%	112,236	387
Physician Assistant	362	4.3%	$2,671,682	3.5%	84,266	233
Nephrology	282	3.4%	$2,135,047	2.8%	58,624	208
Urology	447	5.3%	$1,439,498	1.9%	39,331	88
Interventional Cardiology	97	1.2%	$601,150	0.79%	16,126	166
General Practice	59	0.70%	$550,379	0.72%	15,018	255
Pain Management	54	0.64%	$549,977	0.72%	15,576	288
Emergency Medicine	41	0.49%	$509,772	0.67%	14,358	350
Anesthesiology	40	0.48%	$426,661	0.56%	11,526	288
Pulmonary Disease	73	0.87%	$401,740	0.53%	10,896	149

Not listed: 24 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 99439 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