	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	4,455	$36,802,608	+0%	283,548	55	141	3.14
2023	4,379	$36,750,203	+2%	277,778	56	139	3.14
2022	4,329	$36,116,031	-3%	272,370	54	139	3.14
2021	4,305	$37,108,320	-1%	275,978	56	140	3.14
2020	4,220	$37,416,358	first year in data	272,100	56	142	3.14

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	388	$3,349,566	23,205	53	121
Florida	319	$3,165,635	23,471	61	185
Texas	292	$2,424,092	18,649	53	150
New York	281	$2,151,387	14,556	43	126
Pennsylvania	242	$1,722,480	12,959	50	113
Illinois	167	$1,604,081	11,582	68	137
Massachusetts	152	$1,291,088	9,121	52	116
North Carolina	153	$1,281,620	9,866	60	125
Ohio	185	$1,281,011	9,862	49	106
Virginia	91	$1,207,528	8,929	97	163
New Jersey	111	$1,115,501	7,729	58	173
Michigan	144	$1,067,718	8,073	54	105
Washington	111	$948,650	6,958	57	126
Georgia	120	$945,241	7,283	54	137
Arizona	101	$938,215	7,205	64	148

Not listed: 5 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 2021.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	276	$2,408,595	15,952	47
Chicago-Naperville-Elgin, IL-IN	126	$1,230,581	8,769	67
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	135	$1,036,628	7,453	49
Los Angeles-Long Beach-Anaheim, CA	118	$1,016,425	7,018	51
Boston-Cambridge-Newton, MA-NH	129	$1,010,088	7,084	50
Houston-Pasadena-The Woodlands, TX	121	$774,338	6,033	44
Phoenix-Mesa-Chandler, AZ	76	$713,842	5,478	65
Washington-Arlington-Alexandria, DC-VA-MD-WV	65	$678,776	4,708	74
Miami-Fort Lauderdale-West Palm Beach, FL	76	$638,336	4,555	45
Baltimore-Columbia-Towson, MD	54	$591,543	4,182	66
Dallas-Fort Worth-Arlington, TX	63	$566,673	4,289	62
Detroit-Warren-Dearborn, MI	67	$510,625	3,808	51
San Francisco-Oakland-Fremont, CA	53	$477,791	3,153	49
Seattle-Tacoma-Bellevue, WA	65	$461,624	3,295	50
Atlanta-Sandy Springs-Roswell, GA	72	$461,226	3,492	39

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 76 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2021.

Specialties billing 77263 nationally

Radiation Oncology accounts for 99% of payment for 77263 nationally in 2021, across 3 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Radiation Oncology	4,219	98%	$36,571,991	99%	272,072	64
Diagnostic Radiology	46	1.1%	$283,609	0.76%	2,055	45
Dermatology	17	0.39%	$50,844	0.14%	386	23

Not listed: 10 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 2021.

Top billers of 77263 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