	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	262	$15,258,100	13,758	37	150
California	322	$11,398,118	11,993	32	80
Texas	244	$10,526,560	10,549	35	108
New York	213	$5,548,886	7,129	28	76
Arizona	91	$4,391,471	3,856	36	102
Illinois	141	$3,388,591	5,301	33	75
Pennsylvania	170	$3,055,011	5,647	27	72
Maryland	76	$2,902,052	3,323	32	110
Ohio	144	$2,857,559	4,668	29	65
New Jersey	89	$2,802,575	3,521	29	96
Michigan	131	$2,725,523	4,337	29	72
Georgia	93	$2,425,943	3,468	35	80
Tennessee	70	$2,387,413	3,465	36	115
North Carolina	124	$2,378,048	4,505	31	72
Washington	80	$2,286,668	2,835	28	72

Not listed: 6 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	208	$6,241,214	7,667	31
Phoenix-Mesa-Chandler, AZ	66	$3,194,253	2,810	36
Dallas-Fort Worth-Arlington, TX	53	$2,964,432	2,445	39
Los Angeles-Long Beach-Anaheim, CA	100	$2,842,586	3,682	30
Chicago-Naperville-Elgin, IL-IN	103	$2,571,626	3,927	32
Miami-Fort Lauderdale-West Palm Beach, FL	61	$2,488,411	2,787	32
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	96	$2,084,705	3,447	27
Houston-Pasadena-The Woodlands, TX	95	$2,061,107	3,303	27
Washington-Arlington-Alexandria, DC-VA-MD-WV	53	$1,786,148	2,173	33
Tampa-St. Petersburg-Clearwater, FL	35	$1,617,660	1,818	43
Orlando-Kissimmee-Sanford, FL	33	$1,571,437	1,615	33
Austin-Round Rock-San Marcos, TX	16	$1,527,929	1,043	51
Baltimore-Columbia-Towson, MD	48	$1,499,140	1,837	30
Boston-Cambridge-Newton, MA-NH	88	$1,311,707	3,176	28
Jacksonville, FL	33	$1,294,547	1,250	30

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 54 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 77301 nationally

Radiation Oncology accounts for 97% of payment for 77301 nationally in 2020, across 3 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Radiation Oncology	3,454	98%	$101,430,910	97%	135,348	39
Radiation Therapy Center	27	0.77%	$2,481,384	2.4%	2,077	77
Diagnostic Radiology	24	0.68%	$907,354	0.86%	847	35

Not listed: 8 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 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