	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	373	$5,408,818	125,528	205	1,195
California	410	$4,438,285	103,914	177	631
Texas	314	$3,565,567	89,729	200	803
New York	291	$2,207,397	61,347	159	553
Illinois	184	$1,611,108	47,524	216	602
North Carolina	164	$1,366,869	43,310	211	772
Pennsylvania	240	$1,357,485	44,549	165	387
Massachusetts	151	$1,160,946	37,392	199	647
New Jersey	114	$1,121,670	31,106	186	697
Georgia	137	$1,108,035	32,932	182	667
Michigan	154	$1,107,722	32,600	169	506
Virginia	93	$1,106,532	36,040	319	706
Ohio	184	$1,103,715	35,945	165	444
Arizona	120	$1,092,287	25,459	191	436
Washington	119	$1,068,773	30,704	186	700

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 2021.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	290	$2,558,182	68,370	172
Chicago-Naperville-Elgin, IL-IN	140	$1,231,890	36,444	218
Los Angeles-Long Beach-Anaheim, CA	124	$1,111,359	28,081	176
Miami-Fort Lauderdale-West Palm Beach, FL	86	$1,027,338	26,858	194
Houston-Pasadena-The Woodlands, TX	125	$950,249	29,571	182
Boston-Cambridge-Newton, MA-NH	128	$886,777	30,126	193
Dallas-Fort Worth-Arlington, TX	71	$846,796	19,552	248
Washington-Arlington-Alexandria, DC-VA-MD-WV	67	$817,801	21,516	243
Phoenix-Mesa-Chandler, AZ	89	$799,376	18,601	188
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	133	$785,087	26,371	167
Detroit-Warren-Dearborn, MI	71	$628,734	17,141	184
Tampa-St. Petersburg-Clearwater, FL	53	$617,126	18,804	203
San Francisco-Oakland-Fremont, CA	57	$579,052	14,437	221
North Port-Bradenton-Sarasota, FL	14	$544,083	10,640	655
Baltimore-Columbia-Towson, MD	54	$526,637	14,798	213

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 2021.

Specialties billing 77300 nationally

Radiation Oncology accounts for 95% of payment for 77300 nationally in 2021, across 5 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Radiation Oncology	4,208	92%	$39,963,646	95%	1,137,170	270
Dermatology	216	4.7%	$820,083	2.0%	15,383	71
Radiation Therapy Center	27	0.59%	$397,056	0.95%	13,286	492
Diagnostic Radiology	51	1.1%	$392,787	0.94%	9,836	193
Micrographic Dermatologic Surgery	11	0.24%	$35,238	0.08%	677	62

Not listed: 22 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 2021.

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