	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	4,540	$38,348,025	-4%	639,021	110	331	1.15
2023	4,463	$39,931,914	-5%	660,182	120	342	1.15
2022	4,472	$42,120,887	-9%	691,484	125	368	1.15
2021	4,435	$46,372,820	-6%	747,660	138	396	1.15
2020	4,384	$49,084,694	first year in data	775,600	144	424	1.15

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	436	$4,540,410	67,166	112	344
Florida	363	$4,530,165	58,344	113	406
Texas	289	$2,871,741	40,712	106	310
New York	290	$2,008,042	32,686	81	262
Pennsylvania	260	$1,503,393	28,780	103	251
Illinois	183	$1,453,787	26,703	134	319
Ohio	197	$1,223,010	23,278	101	250
North Carolina	151	$1,091,502	20,418	121	318
Massachusetts	142	$1,075,753	20,587	116	359
New Jersey	105	$1,067,247	18,161	130	369
Arizona	107	$1,012,817	13,791	123	258
Virginia	91	$941,725	16,798	168	436
Georgia	124	$914,026	16,520	97	342
Tennessee	103	$908,056	16,704	123	393
Maryland	88	$887,106	14,528	162	345

Not listed: 4 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 2024.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	271	$2,303,504	36,736	103
Los Angeles-Long Beach-Anaheim, CA	153	$1,296,131	20,354	106
Chicago-Naperville-Elgin, IL-IN	147	$1,169,357	21,577	128
Miami-Fort Lauderdale-West Palm Beach, FL	85	$852,648	11,805	86
Boston-Cambridge-Newton, MA-NH	122	$847,319	16,644	106
Dallas-Fort Worth-Arlington, TX	62	$782,416	9,337	131
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	132	$755,214	14,898	104
Houston-Pasadena-The Woodlands, TX	120	$745,590	14,062	95
Washington-Arlington-Alexandria, DC-VA-MD-WV	68	$741,881	11,948	136
Phoenix-Mesa-Chandler, AZ	79	$741,690	10,176	119
Orlando-Kissimmee-Sanford, FL	55	$650,943	8,985	123
San Francisco-Oakland-Fremont, CA	54	$636,644	9,184	103
Jacksonville, FL	50	$558,606	7,532	120
Baltimore-Columbia-Towson, MD	55	$542,432	9,332	175
Tampa-St. Petersburg-Clearwater, FL	59	$493,091	7,464	111

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 70 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2024.

Specialties billing 77334 nationally

Radiation Oncology accounts for 96% of payment for 77334 nationally in 2024, across 4 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Radiation Oncology	4,337	96%	$36,902,225	96%	618,900	143
Dermatology	130	2.9%	$584,724	1.5%	6,112	47
Radiation Therapy Center	22	0.48%	$377,363	0.98%	6,953	316
Diagnostic Radiology	26	0.57%	$178,573	0.47%	2,875	111

Not listed: 13 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 2024.

Top billers of 77334 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