	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% (2023 changed hospital and observation visit codes)	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	– (Not compared: 2021 changed office visit values)	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	277	$15,673,523	15,274	41	152
California	343	$12,289,657	14,619	33	103
Texas	253	$10,730,679	12,067	38	114
New York	240	$6,690,061	9,726	30	103
Arizona	94	$4,740,937	4,582	41	109
Illinois	155	$3,673,261	6,265	35	81
Pennsylvania	198	$3,495,920	7,150	30	76
Maryland	72	$2,993,876	3,617	42	94
New Jersey	84	$2,972,135	4,119	39	125
Ohio	154	$2,957,343	5,161	29	65
North Carolina	128	$2,920,351	5,230	35	84
Washington	87	$2,742,429	3,516	35	88
Michigan	127	$2,605,279	4,500	32	66
Georgia	102	$2,602,517	3,903	33	83
Tennessee	78	$2,471,644	3,903	46	86

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	221	$7,530,912	10,292	37
Phoenix-Mesa-Chandler, AZ	70	$3,691,526	3,469	42
Dallas-Fort Worth-Arlington, TX	55	$3,221,816	2,820	40
Los Angeles-Long Beach-Anaheim, CA	112	$3,137,802	4,756	32
Chicago-Naperville-Elgin, IL-IN	117	$2,936,584	4,753	33
Miami-Fort Lauderdale-West Palm Beach, FL	65	$2,574,646	3,139	35
Houston-Pasadena-The Woodlands, TX	102	$2,283,310	4,069	35
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	100	$2,047,771	4,084	36
Washington-Arlington-Alexandria, DC-VA-MD-WV	51	$2,020,173	2,640	47
Orlando-Kissimmee-Sanford, FL	38	$1,723,162	1,873	38
Baltimore-Columbia-Towson, MD	48	$1,666,540	2,163	36
Austin-Round Rock-San Marcos, TX	18	$1,636,426	1,312	71
Boston-Cambridge-Newton, MA-NH	95	$1,619,646	3,817	31
Tampa-St. Petersburg-Clearwater, FL	37	$1,559,320	1,878	42
San Diego-Chula Vista-Carlsbad, CA	47	$1,447,940	1,753	29

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 59 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 77301 nationally

Radiation Oncology accounts for 97% of payment for 77301 nationally in 2022, across 3 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Radiation Oncology	3,671	98%	$110,196,209	97%	158,800	43
Radiation Therapy Center	21	0.56%	$2,251,592	2.0%	2,025	96
Diagnostic Radiology	24	0.64%	$612,834	0.54%	842	35

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 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