	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	753	$19,857,280	86,953	61	400
Florida	614	$14,091,803	69,195	60	411
Texas	660	$13,735,350	74,828	67	362
Georgia	351	$9,185,000	47,896	88	441
Maryland	229	$7,901,440	38,073	97	549
Arizona	227	$7,819,269	38,318	104	495
New York	382	$6,679,191	30,739	51	258
Illinois	288	$6,477,359	35,762	71	435
Pennsylvania	324	$5,895,539	32,182	58	330
New Jersey	299	$5,716,498	25,647	58	237
Virginia	177	$5,691,534	27,263	80	498
North Carolina	237	$5,679,469	30,818	71	396
Ohio	254	$4,464,435	27,838	54	340
South Carolina	122	$3,877,246	21,305	103	545
Tennessee	156	$3,614,162	19,571	50	487

Not listed: 5 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	479	$9,345,601	41,260	57
Los Angeles-Long Beach-Anaheim, CA	259	$6,918,021	31,137	63
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	202	$6,147,963	29,529	73
Phoenix-Mesa-Chandler, AZ	171	$6,007,128	29,207	105
Chicago-Naperville-Elgin, IL-IN	243	$5,092,207	27,000	73
Atlanta-Sandy Springs-Roswell, GA	196	$5,075,050	25,339	90
Washington-Arlington-Alexandria, DC-VA-MD-WV	138	$4,764,557	21,148	89
Baltimore-Columbia-Towson, MD	119	$4,386,475	21,774	131
Dallas-Fort Worth-Arlington, TX	205	$3,598,373	19,738	55
Miami-Fort Lauderdale-West Palm Beach, FL	152	$3,133,306	15,128	54
San Francisco-Oakland-Fremont, CA	97	$2,763,572	11,201	61
San Antonio-New Braunfels, TX	64	$2,047,377	9,844	105
Boston-Cambridge-Newton, MA-NH	127	$2,005,317	10,494	45
Denver-Aurora-Centennial, CO	79	$1,959,990	9,707	64
Charlotte-Concord-Gastonia, NC-SC	63	$1,892,162	10,351	139

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 91 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 64483 nationally

Ambulatory Surgical Center accounts for 43% of payment for 64483 nationally in 2020, across 15 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ambulatory Surgical Center	1,392	18%	$73,866,109	43%	263,448	189
Physical Medicine and Rehabilitation	1,804	23%	$30,210,279	18%	194,894	108
Interventional Pain Management	1,030	13%	$21,307,037	12%	128,846	125
Pain Management	1,424	18%	$20,321,514	12%	130,270	91
Anesthesiology	1,355	17%	$18,356,166	11%	124,381	92
Orthopedic Surgery	285	3.6%	$3,902,595	2.3%	24,636	86
Diagnostic Radiology	305	3.9%	$1,272,504	0.74%	9,986	33
Neurology	65	0.82%	$783,354	0.45%	4,268	66
Family Practice	27	0.34%	$640,245	0.37%	3,817	141
Neurosurgery	58	0.73%	$353,211	0.20%	2,786	48
Interventional Radiology	39	0.49%	$271,125	0.16%	1,682	43
Sports Medicine	25	0.32%	$203,015	0.12%	1,646	66
Physician Assistant	17	0.22%	$166,874	0.10%	1,045	61
Internal Medicine	15	0.19%	$142,912	0.08%	832	55
Certified Registered Nurse Anesthetist (CRNA)	25	0.32%	$107,808	0.06%	1,019	41

Not listed: 14 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 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