	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	3,886	$47,520,083	+5%	202,283	41	125	4.29
2023	3,807	$45,304,152	+5%	190,072	39	122	4.29
2022	3,701	$43,120,038	+4%	179,025	38	119	4.29
2021	3,610	$41,553,721	+3%	167,167	36	113	4.29
2020	3,503	$40,470,517	first year in data	156,996	36	106	4.29

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	274	$5,002,734	16,991	46	169
California	339	$4,474,361	16,356	38	122
Texas	251	$3,833,293	14,028	40	141
New York	237	$2,853,022	10,851	34	123
Illinois	151	$1,539,841	6,798	39	89
Pennsylvania	193	$1,520,289	7,488	33	80
Arizona	94	$1,466,816	4,950	43	119
New Jersey	85	$1,240,907	4,904	45	154
Ohio	154	$1,224,492	5,580	30	76
North Carolina	128	$1,205,751	5,687	39	89
Michigan	128	$1,120,148	5,118	35	71
Massachusetts	114	$1,079,903	5,148	34	102
Georgia	102	$1,042,859	4,511	35	105
Virginia	77	$967,768	4,434	51	126
Washington	87	$967,731	3,820	37	105

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	220	$3,224,343	11,906	40
Los Angeles-Long Beach-Anaheim, CA	110	$1,385,325	5,567	38
Chicago-Naperville-Elgin, IL-IN	113	$1,193,012	5,090	37
Phoenix-Mesa-Chandler, AZ	71	$1,147,339	3,820	47
Houston-Pasadena-The Woodlands, TX	102	$1,066,308	4,657	37
Dallas-Fort Worth-Arlington, TX	52	$957,481	3,150	44
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	96	$875,119	4,253	39
Miami-Fort Lauderdale-West Palm Beach, FL	66	$873,567	3,485	36
Boston-Cambridge-Newton, MA-NH	98	$867,856	4,264	34
Washington-Arlington-Alexandria, DC-VA-MD-WV	52	$664,947	2,684	44
Tampa-St. Petersburg-Clearwater, FL	37	$593,101	2,183	49
Orlando-Kissimmee-Sanford, FL	39	$582,620	2,047	39
Baltimore-Columbia-Towson, MD	47	$560,515	2,076	38
Austin-Round Rock-San Marcos, TX	18	$548,669	1,643	75
Detroit-Warren-Dearborn, MI	57	$526,312	2,328	38

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 65 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 77338 nationally

Radiation Oncology accounts for 98% of payment for 77338 nationally in 2022, across 3 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Radiation Oncology	3,646	99%	$42,400,945	98%	175,766	48
Radiation Therapy Center	19	0.51%	$368,023	0.85%	1,824	96
Diagnostic Radiology	25	0.68%	$241,243	0.56%	942	38

Not listed: 7 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 77338 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