	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	394	$3,349,813	22,934	53	122
Florida	313	$3,251,525	23,494	61	175
Texas	277	$2,385,835	17,784	53	152
New York	273	$2,131,634	14,241	41	115
Pennsylvania	234	$1,764,673	12,802	50	120
Illinois	167	$1,553,448	10,985	61	121
Ohio	185	$1,344,573	10,078	52	99
North Carolina	151	$1,337,497	10,083	57	136
Massachusetts	145	$1,191,310	8,275	49	118
Virginia	88	$1,175,845	8,514	95	181
New Jersey	100	$1,104,939	7,537	65	170
Michigan	145	$1,099,173	8,033	53	101
Georgia	120	$997,346	7,441	53	154
Washington	105	$952,130	6,834	60	123
Arizona	101	$912,177	6,860	62	139

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 2020.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	262	$2,372,081	15,501	51
Chicago-Naperville-Elgin, IL-IN	126	$1,155,713	8,073	58
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	131	$1,068,500	7,433	51
Los Angeles-Long Beach-Anaheim, CA	125	$1,016,653	6,910	50
Boston-Cambridge-Newton, MA-NH	120	$904,982	6,256	48
Houston-Pasadena-The Woodlands, TX	112	$719,015	5,266	41
Phoenix-Mesa-Chandler, AZ	76	$673,445	5,085	61
Miami-Fort Lauderdale-West Palm Beach, FL	76	$673,057	4,703	48
Washington-Arlington-Alexandria, DC-VA-MD-WV	59	$661,931	4,496	71
Dallas-Fort Worth-Arlington, TX	60	$587,719	4,351	69
Baltimore-Columbia-Towson, MD	54	$559,096	3,824	65
Detroit-Warren-Dearborn, MI	68	$506,857	3,635	50
San Francisco-Oakland-Fremont, CA	52	$483,039	3,148	50
Atlanta-Sandy Springs-Roswell, GA	70	$482,780	3,546	44
Seattle-Tacoma-Bellevue, WA	62	$472,198	3,299	51

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 2020.

Specialties billing 77263 nationally

Radiation Oncology accounts for 99% of payment for 77263 nationally in 2020, across 3 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Radiation Oncology	4,148	98%	$36,915,116	99%	268,537	65
Diagnostic Radiology	39	0.92%	$266,670	0.71%	1,896	49
Dermatology	11	0.26%	$41,277	0.11%	305	28

Not listed: 11 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 2020.

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