	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	8,175	$177,263,435	+2%	867,623	59	351	1.90
2023	8,202	$174,025,512	-0%	873,823	59	353	1.90
2022	8,113	$174,509,320	-9%	883,540	60	365	1.90
2021	8,135	$191,417,716	+11%	966,046	65	402	1.90
2020	7,905	$172,422,663	first year in data	896,595	62	386	1.90

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	748	$20,943,555	91,547	64	414
Florida	627	$15,840,147	74,502	62	420
Texas	697	$15,322,032	80,456	65	371
Georgia	359	$9,713,464	49,282	90	404
Arizona	256	$9,033,960	42,781	94	513
Maryland	247	$8,795,457	41,733	103	557
New York	394	$7,953,124	35,129	59	271
Illinois	287	$7,012,217	37,645	79	443
New Jersey	307	$6,956,537	30,501	66	298
Pennsylvania	326	$6,877,311	36,183	67	314
Virginia	167	$6,318,327	28,046	80	573
North Carolina	246	$6,242,296	31,988	72	401
Ohio	262	$5,080,544	31,078	57	362
South Carolina	127	$4,477,422	22,936	106	535
Indiana	202	$3,946,529	21,734	72	322

Not listed: 3 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	496	$11,413,428	48,937	64
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	209	$7,202,994	33,740	85
Los Angeles-Long Beach-Anaheim, CA	273	$7,169,696	31,863	56
Phoenix-Mesa-Chandler, AZ	189	$6,937,853	32,544	104
Chicago-Naperville-Elgin, IL-IN	250	$5,530,370	28,614	80
Atlanta-Sandy Springs-Roswell, GA	206	$5,447,747	26,316	91
Washington-Arlington-Alexandria, DC-VA-MD-WV	139	$5,306,724	22,461	88
Baltimore-Columbia-Towson, MD	133	$4,872,056	23,917	117
Dallas-Fort Worth-Arlington, TX	223	$4,150,748	22,459	56
Miami-Fort Lauderdale-West Palm Beach, FL	162	$3,812,818	17,554	58
San Francisco-Oakland-Fremont, CA	103	$2,703,696	11,564	63
Boston-Cambridge-Newton, MA-NH	126	$2,377,312	11,910	39
San Antonio-New Braunfels, TX	72	$2,312,220	10,585	100
Denver-Aurora-Centennial, CO	82	$2,216,894	10,872	69
Charlotte-Concord-Gastonia, NC-SC	66	$2,160,924	10,949	95

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 94 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 64483 nationally

Ambulatory Surgical Center accounts for 42% of payment for 64483 nationally in 2021, across 15 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ambulatory Surgical Center	1,363	17%	$79,501,671	42%	279,618	205
Physical Medicine and Rehabilitation	1,882	23%	$35,019,311	18%	216,239	115
Pain Management	1,520	19%	$23,466,659	12%	143,880	95
Interventional Pain Management	1,057	13%	$23,242,932	12%	133,820	127
Anesthesiology	1,400	17%	$20,555,009	11%	132,797	95
Orthopedic Surgery	290	3.6%	$4,537,421	2.4%	26,927	93
Diagnostic Radiology	320	3.9%	$1,497,421	0.78%	11,247	35
Neurology	57	0.70%	$785,267	0.41%	4,104	72
Family Practice	28	0.34%	$668,923	0.35%	3,853	138
Neurosurgery	57	0.70%	$343,112	0.18%	2,800	49
Interventional Radiology	34	0.42%	$297,130	0.16%	1,693	50
Sports Medicine	31	0.38%	$250,545	0.13%	1,945	63
Physician Assistant	22	0.27%	$227,782	0.12%	1,324	60
Certified Registered Nurse Anesthetist (CRNA)	23	0.28%	$190,315	0.10%	1,442	63
Internal Medicine	13	0.16%	$159,822	0.08%	862	66

Not listed: 12 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 64483 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