	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	21,081	$147,847,888	-4%	4,896,874	163	681	0.85
2023	21,092	$154,069,747	-4%	4,924,052	169	664	0.85
2022	21,168	$159,813,416	-2%	5,038,615	176	674	0.85
2021	21,201	$163,710,177	+1%	4,966,724	177	657	0.85
2020	21,200	$161,914,845	first year in data	4,796,228	173	618	0.85

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	1,972	$13,755,773	387,362	139	553
Florida	1,311	$12,048,272	345,637	187	797
Texas	1,417	$11,384,919	346,426	172	711
New York	1,143	$10,562,645	285,526	169	807
Illinois	849	$7,492,545	230,458	225	674
Pennsylvania	990	$7,176,615	223,404	165	649
Minnesota	796	$6,086,462	188,186	171	673
North Carolina	732	$5,686,444	178,528	168	742
New Jersey	563	$5,240,664	143,642	188	748
Ohio	798	$5,200,653	166,770	167	561
Michigan	644	$4,919,246	156,245	185	683
Massachusetts	594	$4,856,169	145,932	197	646
Virginia	557	$4,637,658	142,933	220	644
Georgia	582	$4,379,034	136,412	163	746
Maryland	407	$4,150,152	113,220	224	672

Not listed: 7 billers with an armed-forces or unknown state code (AA, AE, AP, XX, ZZ); they are in the national totals.

Not listed: 2 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	1,054	$11,134,034	293,151	192
Chicago-Naperville-Elgin, IL-IN	652	$5,966,157	181,855	224
Minneapolis-St. Paul-Bloomington, MN-WI	614	$5,157,768	159,074	182
Los Angeles-Long Beach-Anaheim, CA	685	$4,676,673	129,343	124
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	519	$4,154,350	121,683	177
Boston-Cambridge-Newton, MA-NH	463	$3,823,458	114,405	210
Dallas-Fort Worth-Arlington, TX	474	$3,458,968	101,574	149
Miami-Fort Lauderdale-West Palm Beach, FL	340	$3,116,808	89,418	191
Washington-Arlington-Alexandria, DC-VA-MD-WV	289	$2,816,927	76,144	211
Houston-Pasadena-The Woodlands, TX	336	$2,752,197	84,269	158
Baltimore-Columbia-Towson, MD	266	$2,564,853	70,312	207
Atlanta-Sandy Springs-Roswell, GA	311	$2,490,604	76,754	168
Detroit-Warren-Dearborn, MI	297	$2,187,691	68,461	194
Seattle-Tacoma-Bellevue, WA	271	$2,044,980	61,296	148
Phoenix-Mesa-Chandler, AZ	248	$2,020,695	59,950	178

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 100 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 70450 nationally

Diagnostic Radiology accounts for 96% of payment for 70450 nationally in 2021, across 14 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Diagnostic Radiology	19,469	92%	$156,902,794	96%	4,791,880	246
Interventional Radiology	682	3.2%	$3,597,911	2.2%	111,975	164
Independent Diagnostic Testing Facility (IDTF)	412	1.9%	$1,616,481	0.99%	22,484	55
Nuclear Medicine	45	0.21%	$232,667	0.14%	6,931	154
Neurology	57	0.27%	$215,356	0.13%	5,715	100
Internal Medicine	115	0.54%	$213,533	0.13%	4,224	37
Family Practice	98	0.46%	$145,636	0.09%	3,019	31
Radiation Oncology	33	0.16%	$137,578	0.08%	4,378	133
Neurosurgery	58	0.27%	$104,221	0.06%	2,480	43
Emergency Medicine	56	0.26%	$97,831	0.06%	2,256	40
Cardiology	28	0.13%	$61,248	0.04%	935	33
Physician Assistant	38	0.18%	$37,380	0.02%	712	19
Nurse Practitioner	32	0.15%	$32,973	0.02%	664	21
General Practice	12	0.06%	$31,877	0.02%	868	72

Not listed: 23 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 70450 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