	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	4,844	$39,457,779	-0%	1,184,613	181	648	0.62
2023	4,719	$39,625,192	-1%	1,164,180	184	643	0.62
2022	4,655	$39,902,119	-5%	1,165,913	183	666	0.62
2021	4,580	$41,930,121	-6%	1,184,880	189	677	0.62
2020	4,487	$44,694,064	first year in data	1,230,724	193	733	0.62

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	402	$4,799,586	120,193	202	931
California	432	$4,579,502	115,157	200	745
Texas	316	$3,292,513	85,405	195	758
New York	290	$2,320,443	67,000	163	626
Pennsylvania	241	$1,482,832	50,428	168	462
Illinois	188	$1,364,765	41,071	186	501
New Jersey	103	$1,186,071	32,262	205	879
Massachusetts	152	$1,177,898	39,624	187	725
Ohio	191	$1,155,778	38,709	165	494
North Carolina	163	$1,071,669	35,844	186	470
Maryland	88	$1,046,097	27,726	220	989
Arizona	125	$1,039,587	24,788	186	397
Georgia	140	$1,014,931	31,262	169	576
Virginia	89	$986,739	32,213	293	684
Michigan	154	$835,621	26,415	159	333

Not listed: 4 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 2023.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	270	$2,642,417	71,946	190
Los Angeles-Long Beach-Anaheim, CA	144	$1,249,495	34,428	193
Chicago-Naperville-Elgin, IL-IN	150	$1,055,427	31,240	174
Miami-Fort Lauderdale-West Palm Beach, FL	90	$1,028,938	28,416	199
Boston-Cambridge-Newton, MA-NH	126	$962,706	32,738	191
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	131	$956,387	33,219	198
Dallas-Fort Worth-Arlington, TX	70	$884,706	21,745	262
Houston-Pasadena-The Woodlands, TX	121	$857,035	27,598	173
Phoenix-Mesa-Chandler, AZ	90	$754,489	17,876	186
Washington-Arlington-Alexandria, DC-VA-MD-WV	64	$749,414	20,477	225
San Francisco-Oakland-Fremont, CA	56	$624,712	15,839	235
Baltimore-Columbia-Towson, MD	55	$619,531	17,064	233
Tampa-St. Petersburg-Clearwater, FL	59	$519,814	14,541	191
Orlando-Kissimmee-Sanford, FL	55	$484,592	12,796	192
Detroit-Warren-Dearborn, MI	71	$452,004	13,318	161

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 72 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2023.

Specialties billing 77300 nationally

Radiation Oncology accounts for 94% of payment for 77300 nationally in 2023, across 5 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Radiation Oncology	4,290	91%	$37,339,066	94%	1,110,148	259
Dermatology	286	6.1%	$1,198,662	3.0%	23,068	81
Diagnostic Radiology	42	0.89%	$370,942	0.94%	9,438	225
Radiation Therapy Center	22	0.47%	$364,887	0.92%	12,964	589
Micrographic Dermatologic Surgery	12	0.25%	$55,472	0.14%	1,084	90

Not listed: 18 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 2023.

Top billers of 77300 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