	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	390	$3,424,826	24,144	55	131
Florida	338	$3,149,116	23,700	56	181
Texas	284	$2,391,329	18,732	57	152
New York	267	$1,966,939	13,444	41	126
Pennsylvania	248	$1,785,095	13,618	50	112
Illinois	170	$1,512,545	11,032	61	125
North Carolina	154	$1,263,148	9,860	60	122
Massachusetts	156	$1,247,241	8,947	50	135
Ohio	184	$1,219,603	9,494	47	104
Virginia	89	$1,090,525	8,191	87	182
New Jersey	101	$1,013,969	7,173	60	165
Michigan	140	$969,262	7,424	52	99
Georgia	125	$951,459	7,454	49	134
Washington	116	$934,244	6,959	54	125
Arizona	102	$893,740	6,958	61	137

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 2022.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	246	$2,143,646	14,350	47
Chicago-Naperville-Elgin, IL-IN	128	$1,152,774	8,310	59
Los Angeles-Long Beach-Anaheim, CA	127	$1,083,173	7,611	54
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	128	$1,027,235	7,489	51
Boston-Cambridge-Newton, MA-NH	133	$1,009,035	7,207	50
Houston-Pasadena-The Woodlands, TX	119	$795,765	6,240	43
Miami-Fort Lauderdale-West Palm Beach, FL	81	$665,622	4,847	45
Phoenix-Mesa-Chandler, AZ	76	$661,900	5,161	64
Washington-Arlington-Alexandria, DC-VA-MD-WV	59	$652,847	4,600	78
Dallas-Fort Worth-Arlington, TX	58	$566,115	4,380	76
Baltimore-Columbia-Towson, MD	52	$548,438	3,936	71
San Francisco-Oakland-Fremont, CA	52	$487,636	3,277	56
Atlanta-Sandy Springs-Roswell, GA	77	$468,584	3,605	40
Seattle-Tacoma-Bellevue, WA	70	$466,786	3,402	49
Detroit-Warren-Dearborn, MI	66	$452,990	3,423	48

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 77 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2022.

Specialties billing 77263 nationally

Radiation Oncology accounts for 99% of payment for 77263 nationally in 2022, across 3 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Radiation Oncology	4,241	98%	$35,593,266	99%	268,478	63
Diagnostic Radiology	40	0.92%	$259,683	0.72%	1,927	48
Dermatology	21	0.49%	$55,504	0.15%	426	20

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 2022.

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