	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	1,861	$74,740,078	+9%	48,743	18	66	1.53
2023	1,716	$68,770,790	+14%	44,033	18	65	1.53
2022	1,632	$60,170,333	+2%	39,081	17	58	1.53
2021	1,566	$59,067,328	+29%	37,240	17	54	1.53
2020	1,376	$45,903,535	first year in data	31,857	17	53	1.53

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	196	$12,861,718	5,469	18	79
California	127	$11,066,970	3,244	18	57
New York	151	$6,079,415	5,044	23	82
New Jersey	72	$4,743,901	2,154	20	70
Texas	99	$4,714,439	1,993	17	37
Arizona	51	$3,497,202	1,284	18	79
Pennsylvania	83	$2,097,951	1,823	19	41
Maryland	34	$1,492,822	824	20	44
Illinois	55	$1,305,822	1,094	15	46
South Carolina	45	$1,215,334	1,067	19	47
Michigan	47	$1,082,606	900	16	44
Mississippi	22	$1,024,312	570	18	71
Massachusetts	41	$994,943	831	18	37
Missouri	40	$816,655	751	17	35
North Carolina	43	$633,697	1,025	19	55

Not listed: 20 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	160	$7,957,317	5,414	23
Miami-Fort Lauderdale-West Palm Beach, FL	56	$5,022,613	1,752	22
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	54	$3,310,525	1,572	21
Houston-Pasadena-The Woodlands, TX	39	$3,144,659	904	18
Phoenix-Mesa-Chandler, AZ	39	$2,696,588	930	18
Los Angeles-Long Beach-Anaheim, CA	29	$2,501,018	656	16
North Port-Bradenton-Sarasota, FL	29	$1,698,810	977	18
San Diego-Chula Vista-Carlsbad, CA	22	$1,313,359	499	15
Chicago-Naperville-Elgin, IL-IN	39	$1,240,186	787	16
Washington-Arlington-Alexandria, DC-VA-MD-WV	24	$1,231,703	635	23
Oxnard-Thousand Oaks-Ventura, CA	11	$1,018,152	207	15
Tampa-St. Petersburg-Clearwater, FL	18	$949,494	299	15
Orlando-Kissimmee-Sanford, FL	17	$769,646	395	18
San Jose-Sunnyvale-Santa Clara, CA	11	$768,985	217	20
Detroit-Warren-Dearborn, MI	24	$724,971	468	18

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 27 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 33285 nationally

Cardiology accounts for 40% of payment for 33285 nationally in 2021, across 6 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Cardiology	558	36%	$23,726,951	40%	12,078	22
Clinical Cardiac Electrophysiology	790	50%	$21,866,655	37%	20,177	26
Ambulatory Surgical Center	46	2.9%	$9,136,587	15%	1,595	35
Interventional Cardiology	98	6.3%	$3,401,776	5.8%	1,779	18
Internal Medicine	30	1.9%	$533,400	0.90%	571	19
Nurse Practitioner	20	1.3%	$27,147	0.05%	466	23

Not listed: 11 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 33285 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