	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	3,910	$122,471,322	+4%	185,078	38	110	7.99
2023	3,815	$118,059,038	+4%	172,743	36	106	7.99
2022	3,727	$113,312,887	+3%	162,089	35	103	7.99
2021	3,632	$110,024,451	+5%	149,896	33	95	7.99
2020	3,519	$105,074,826	first year in data	138,661	32	89	7.99

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
Florida	310	$15,963,383	16,926	40	147
California	360	$14,328,471	18,616	43	116
Texas	260	$11,777,619	13,590	41	129
New York	247	$7,098,356	10,909	33	112
Arizona	97	$5,770,121	5,593	50	110
Pennsylvania	214	$4,037,481	8,989	36	94
Illinois	151	$3,860,179	7,038	42	89
Ohio	168	$3,568,117	6,738	37	82
Maryland	77	$3,330,781	4,305	46	117
New Jersey	90	$3,083,360	4,582	38	119
Georgia	107	$2,727,408	4,686	35	99
Virginia	75	$2,683,401	4,346	53	112
Michigan	134	$2,670,590	4,718	31	74
Tennessee	83	$2,642,043	4,612	49	110
North Carolina	126	$2,617,003	5,210	37	89

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	227	$8,080,275	11,661	40
Phoenix-Mesa-Chandler, AZ	69	$4,331,030	4,186	50
Los Angeles-Long Beach-Anaheim, CA	132	$4,299,033	6,819	39
Dallas-Fort Worth-Arlington, TX	57	$3,763,482	3,482	53
Chicago-Naperville-Elgin, IL-IN	119	$3,075,989	5,452	39
Miami-Fort Lauderdale-West Palm Beach, FL	77	$2,555,352	3,841	32
Washington-Arlington-Alexandria, DC-VA-MD-WV	59	$2,384,663	3,093	43
Houston-Pasadena-The Woodlands, TX	104	$2,334,029	4,468	35
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	109	$2,262,436	5,225	38
Tampa-St. Petersburg-Clearwater, FL	49	$1,730,523	2,246	39
Boston-Cambridge-Newton, MA-NH	105	$1,718,107	4,567	34
Baltimore-Columbia-Towson, MD	48	$1,705,480	2,493	47
Orlando-Kissimmee-Sanford, FL	45	$1,668,649	2,038	32
San Diego-Chula Vista-Carlsbad, CA	43	$1,579,118	2,085	37
Austin-Round Rock-San Marcos, TX	17	$1,566,454	1,288	70

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 61 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 77301 nationally

Radiation Oncology accounts for 97% of payment for 77301 nationally in 2024, across 2 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Radiation Oncology	3,857	99%	$119,137,216	97%	181,639	47
Diagnostic Radiology	22	0.56%	$674,200	0.55%	851	39

Not listed: 6 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 77301 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