	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
California	458	$4,815,131	127,032	195	742
Florida	415	$4,700,572	119,301	196	796
Texas	319	$3,318,014	88,198	204	688
New York	293	$2,190,634	64,839	152	644
Pennsylvania	264	$1,571,683	55,753	170	515
Illinois	201	$1,408,361	43,574	191	433
New Jersey	109	$1,265,417	35,741	233	829
Maryland	89	$1,254,112	32,795	242	900
Ohio	196	$1,223,699	40,207	163	475
Massachusetts	148	$1,128,308	39,886	192	785
Arizona	126	$1,126,612	26,911	198	425
North Carolina	163	$1,050,114	35,820	181	518
Georgia	140	$987,134	32,110	166	623
Michigan	160	$874,051	27,585	151	405
Washington	115	$760,418	23,311	161	458

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 2024.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	275	$2,589,674	72,814	192
Los Angeles-Long Beach-Anaheim, CA	156	$1,395,061	39,734	172
Chicago-Naperville-Elgin, IL-IN	168	$1,126,520	34,513	183
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	133	$1,033,152	37,217	203
Miami-Fort Lauderdale-West Palm Beach, FL	96	$1,011,443	28,227	170
Dallas-Fort Worth-Arlington, TX	73	$941,801	23,994	255
Boston-Cambridge-Newton, MA-NH	126	$918,326	33,014	188
Houston-Pasadena-The Woodlands, TX	120	$892,358	29,148	179
Baltimore-Columbia-Towson, MD	56	$845,664	21,654	247
Phoenix-Mesa-Chandler, AZ	89	$809,660	19,251	213
Washington-Arlington-Alexandria, DC-VA-MD-WV	66	$729,248	21,320	244
San Francisco-Oakland-Fremont, CA	60	$643,133	16,995	237
Tampa-St. Petersburg-Clearwater, FL	69	$534,358	16,391	155
Orlando-Kissimmee-Sanford, FL	59	$507,489	13,801	195
Detroit-Warren-Dearborn, MI	73	$492,682	14,129	152

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 71 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2024.

Specialties billing 77300 nationally

Radiation Oncology accounts for 93% of payment for 77300 nationally in 2024, across 6 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Radiation Oncology	4,349	90%	$36,743,713	93%	1,123,593	258
Dermatology	346	7.1%	$1,544,223	3.9%	29,683	86
Diagnostic Radiology	42	0.87%	$519,381	1.3%	11,638	277
Radiation Therapy Center	23	0.47%	$343,374	0.87%	12,186	530
Micrographic Dermatologic Surgery	14	0.29%	$56,163	0.14%	1,131	81
Physician Assistant	11	0.23%	$16,649	0.04%	397	36

Not listed: 19 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 2024.

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