	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	4,540	$38,348,025	-4%	639,021	110	331	1.15
2023	4,463	$39,931,914	-5%	660,182	120	342	1.15
2022	4,472	$42,120,887	-9%	691,484	125	368	1.15
2021	4,435	$46,372,820	-6%	747,660	138	396	1.15
2020	4,384	$49,084,694	first year in data	775,600	144	424	1.15

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	326	$4,558,386	57,524	138	439
California	389	$4,390,686	60,041	127	366
Texas	299	$3,540,429	48,736	128	380
New York	288	$2,825,325	44,011	116	356
Illinois	176	$1,980,663	34,089	170	450
Pennsylvania	245	$1,856,914	33,107	123	299
Virginia	92	$1,622,289	27,915	218	599
North Carolina	161	$1,477,261	26,704	152	365
Ohio	185	$1,436,863	26,115	120	304
Massachusetts	143	$1,315,808	23,685	136	451
New Jersey	116	$1,292,708	21,560	147	468
Washington	115	$1,283,887	20,669	153	385
Michigan	154	$1,188,640	21,088	130	274
Arizona	105	$1,162,059	15,293	137	338
Georgia	127	$1,154,891	19,284	115	414

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 2021.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	289	$3,167,002	48,815	126
Chicago-Naperville-Elgin, IL-IN	135	$1,480,000	25,929	170
Los Angeles-Long Beach-Anaheim, CA	120	$1,187,372	17,868	122
Houston-Pasadena-The Woodlands, TX	121	$1,038,669	18,389	121
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	133	$1,025,241	18,847	123
Boston-Cambridge-Newton, MA-NH	120	$1,000,557	18,413	123
Phoenix-Mesa-Chandler, AZ	81	$876,054	11,581	136
Dallas-Fort Worth-Arlington, TX	64	$828,970	9,724	139
Washington-Arlington-Alexandria, DC-VA-MD-WV	66	$821,292	11,983	142
Miami-Fort Lauderdale-West Palm Beach, FL	77	$794,609	10,879	87
Virginia Beach-Chesapeake-Norfolk, VA-NC	20	$713,879	12,139	297
Baltimore-Columbia-Towson, MD	56	$703,548	11,287	180
San Francisco-Oakland-Fremont, CA	53	$639,130	8,884	141
Jacksonville, FL	42	$622,546	8,275	145
Seattle-Tacoma-Bellevue, WA	67	$561,474	10,024	132

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 73 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 77334 nationally

Radiation Oncology accounts for 96% of payment for 77334 nationally in 2021, across 4 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Radiation Oncology	4,229	95%	$44,611,719	96%	723,166	171
Dermatology	117	2.6%	$678,291	1.5%	6,821	58
Radiation Therapy Center	26	0.59%	$482,968	1.0%	8,311	320
Diagnostic Radiology	31	0.70%	$328,506	0.71%	5,025	162

Not listed: 15 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 77334 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