	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	2,808	$56,394,727	+4%	96,793	26	84	22.47
2023	2,679	$54,368,483	+2%	91,825	27	82	22.47
2022	2,573	$53,133,571	+2%	86,935	26	79	22.47
2021	2,455	$52,153,186	+8%	83,897	26	81	22.47
2020	2,270	$48,381,274	first year in data	76,184	26	82	22.47

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
New York	146	$4,699,279	6,909	27	161
California	210	$4,432,011	7,407	27	79
Florida	215	$4,026,025	6,402	24	67
Pennsylvania	147	$2,866,380	4,867	25	82
Texas	165	$2,623,615	4,557	22	65
Illinois	115	$2,513,139	3,915	29	79
Virginia	70	$1,756,927	2,990	37	100
New Jersey	66	$1,749,797	2,805	29	113
Ohio	104	$1,743,580	2,980	22	65
Massachusetts	67	$1,741,358	2,870	36	97
Michigan	97	$1,721,469	2,831	24	61
Washington	62	$1,524,038	2,604	37	82
Minnesota	77	$1,426,335	2,657	34	60
Tennessee	60	$1,416,882	2,637	41	88
North Carolina	79	$1,373,583	2,458	27	63

Not listed: 8 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 2023.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	133	$4,748,459	6,830	30
Chicago-Naperville-Elgin, IL-IN	94	$2,091,012	3,252	31
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	74	$1,831,062	3,002	32
Los Angeles-Long Beach-Anaheim, CA	59	$1,438,393	2,381	22
Boston-Cambridge-Newton, MA-NH	45	$1,211,534	1,971	38
Washington-Arlington-Alexandria, DC-VA-MD-WV	37	$1,026,188	1,604	32
Miami-Fort Lauderdale-West Palm Beach, FL	53	$987,923	1,504	22
Dallas-Fort Worth-Arlington, TX	48	$835,455	1,465	26
Seattle-Tacoma-Bellevue, WA	35	$818,622	1,367	27
Atlanta-Sandy Springs-Roswell, GA	23	$796,051	1,343	49
Baltimore-Columbia-Towson, MD	25	$761,237	1,197	47
Phoenix-Mesa-Chandler, AZ	44	$749,282	1,311	22
Minneapolis-St. Paul-Bloomington, MN-WI	42	$747,519	1,390	34
Houston-Pasadena-The Woodlands, TX	43	$647,034	1,081	21
Nashville-Davidson--Murfreesboro--Franklin, TN	23	$592,626	1,114	48

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 65 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2023.

Specialties billing 33361 nationally

Interventional Cardiology accounts for 30% of payment for 33361 nationally in 2023, across 7 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Interventional Cardiology	792	30%	$16,170,985	30%	27,271	34
Thoracic Surgery	726	27%	$15,092,278	28%	25,503	35
Cardiac Surgery	482	18%	$10,519,021	19%	17,721	37
Cardiology	559	21%	$10,497,119	19%	17,746	32
General Surgery	46	1.7%	$823,052	1.5%	1,436	31
Internal Medicine	36	1.3%	$613,769	1.1%	1,057	29
Vascular Surgery	12	0.45%	$152,319	0.28%	264	22

Not listed: 9 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 2023.

Top billers of 33361 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