	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	787	$22,420,059	92,121	61	415
Florida	643	$13,887,605	66,031	51	353
Texas	693	$12,661,849	67,234	56	332
Georgia	360	$8,538,684	42,441	72	379
Maryland	241	$7,721,819	35,905	102	446
Arizona	247	$7,667,116	36,413	94	471
New York	410	$7,355,032	33,415	51	247
New Jersey	327	$6,622,620	29,514	60	262
Pennsylvania	341	$6,336,748	33,272	60	268
Illinois	281	$5,832,717	31,635	67	379
Virginia	171	$5,370,844	25,370	83	484
North Carolina	250	$5,090,742	26,929	62	345
Ohio	266	$4,710,613	28,481	53	370
South Carolina	127	$4,184,950	21,481	92	558
Tennessee	149	$3,849,765	20,507	66	474

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 2023.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	526	$10,844,540	47,516	55
Los Angeles-Long Beach-Anaheim, CA	290	$7,280,994	30,912	55
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	226	$6,659,292	31,315	74
Phoenix-Mesa-Chandler, AZ	181	$5,918,599	27,762	102
Atlanta-Sandy Springs-Roswell, GA	206	$4,942,128	23,474	83
Chicago-Naperville-Elgin, IL-IN	250	$4,810,648	25,038	63
Baltimore-Columbia-Towson, MD	116	$4,353,564	20,886	129
Washington-Arlington-Alexandria, DC-VA-MD-WV	147	$4,284,139	18,447	66
Dallas-Fort Worth-Arlington, TX	242	$4,001,897	21,198	49
San Francisco-Oakland-Fremont, CA	103	$3,756,556	13,624	73
Miami-Fort Lauderdale-West Palm Beach, FL	163	$3,298,550	15,487	48
Denver-Aurora-Centennial, CO	89	$2,310,218	11,493	58
Boston-Cambridge-Newton, MA-NH	135	$2,181,726	11,333	37
Minneapolis-St. Paul-Bloomington, MN-WI	104	$1,996,206	9,580	54
Charlotte-Concord-Gastonia, NC-SC	71	$1,893,869	9,852	72

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 2023.

Specialties billing 64483 nationally

Ambulatory Surgical Center accounts for 45% of payment for 64483 nationally in 2023, across 16 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ambulatory Surgical Center	1,401	17%	$78,470,556	45%	262,714	188
Physical Medicine and Rehabilitation	1,963	24%	$32,063,020	18%	205,739	105
Pain Management	1,613	20%	$21,649,644	12%	137,771	85
Anesthesiology	1,410	17%	$17,192,847	9.9%	114,621	81
Interventional Pain Management	996	12%	$17,102,231	9.8%	103,578	104
Orthopedic Surgery	259	3.2%	$3,626,784	2.1%	22,200	86
Diagnostic Radiology	266	3.2%	$1,187,127	0.68%	9,516	36
Neurology	53	0.65%	$537,012	0.31%	2,988	56
Family Practice	27	0.33%	$409,496	0.24%	2,746	102
Sports Medicine	32	0.39%	$252,287	0.14%	1,936	61
Interventional Radiology	30	0.37%	$248,928	0.14%	1,437	48
Neurosurgery	41	0.50%	$243,281	0.14%	1,858	45
Certified Registered Nurse Anesthetist (CRNA)	30	0.37%	$142,178	0.08%	1,169	39
Physician Assistant	20	0.24%	$131,106	0.08%	831	42
Internal Medicine	11	0.13%	$126,388	0.07%	671	61

Not listed: 13 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 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