	observed	calculated	calculated	calculated	calculated	calculated
2024	2,229	$43,620,648	+16%	96,985	26	134
2023	1,983	$37,684,833	+15%	84,368	25	132
2022	1,740	$32,844,278	+15%	71,406	25	122
2021	1,586	$28,575,106	+18%	64,246	25	118
2020	1,443	$24,253,455	first year in data	54,706	23	105

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	154	$3,854,649	5,629	23	91
New York	112	$3,556,679	5,730	34	153
Florida	136	$3,369,616	6,742	24	155
Texas	87	$1,458,170	4,137	29	116
New Jersey	38	$1,002,710	1,184	22	77
Massachusetts	35	$916,647	1,756	27	162
Maryland	37	$871,445	1,503	30	83
Pennsylvania	72	$811,220	2,285	23	82
Arizona	43	$706,471	1,378	18	137
Arkansas	28	$689,334	1,865	39	146
Virginia	46	$648,673	1,512	25	72
Washington	33	$575,215	1,194	33	85
Alabama	19	$527,709	619	19	62
Colorado	25	$387,492	927	20	59
Tennessee	24	$354,225	854	23	72

Not listed: 1 billers with an armed-forces or unknown state code (AA); they are in the national totals.

Not listed: 17 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 2020.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	110	$3,856,925	5,674	35
Los Angeles-Long Beach-Anaheim, CA	48	$759,149	1,535	25
Dallas-Fort Worth-Arlington, TX	35	$750,619	1,837	45
Baltimore-Columbia-Towson, MD	26	$714,488	1,258	34
San Diego-Chula Vista-Carlsbad, CA	15	$696,615	907	44
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	43	$678,902	1,298	20
Miami-Fort Lauderdale-West Palm Beach, FL	33	$653,911	1,470	35
Sacramento-Roseville-Folsom, CA	14	$625,362	654	44
Washington-Arlington-Alexandria, DC-VA-MD-WV	21	$603,133	554	21
Phoenix-Mesa-Chandler, AZ	32	$476,810	1,155	18
Boston-Cambridge-Newton, MA-NH	22	$440,563	1,302	28
San Francisco-Oakland-Fremont, CA	22	$388,380	740	21
Jacksonville, FL	14	$388,356	440	25
Fayetteville-Springdale-Rogers, AR	16	$366,418	748	35
Tampa-St. Petersburg-Clearwater, FL	18	$349,032	1,632	27

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 28 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2020.

Specialties billing 78816 nationally

Diagnostic Radiology accounts for 46% of payment for 78816 nationally in 2020, across 7 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Diagnostic Radiology	945	65%	$11,038,696	46%	31,441	33
Nuclear Medicine	265	18%	$5,485,608	23%	15,951	60
Independent Diagnostic Testing Facility (IDTF)	70	4.9%	$3,311,619	14%	2,908	42
Hematology-Oncology	84	5.8%	$2,063,464	8.5%	1,887	22
Radiation Oncology	20	1.4%	$810,941	3.3%	751	38
Medical Oncology	28	1.9%	$745,821	3.1%	729	26
Interventional Radiology	11	0.76%	$296,999	1.2%	343	31

Not listed: 7 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 2020.

Top billers of 78816 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