	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	6,734	$48,256,766	-4%	1,394,911	69	666	0.24
2023	6,757	$50,183,262	+3%	1,413,874	66	693	0.24
2022	6,772	$48,948,709	-5%	1,391,247	65	694	0.24
2021	7,009	$51,432,994	+22%	1,478,397	67	673	0.24
2020	6,913	$42,330,684	first year in data	1,315,368	65	607	0.24

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 Jersey	188	$6,411,096	121,780	115	2,686
California	637	$5,975,631	155,803	83	745
New York	479	$5,785,072	144,826	84	1,301
Florida	527	$5,775,275	137,620	81	1,012
Texas	575	$4,238,762	124,050	74	581
Maryland	141	$3,881,214	69,047	72	1,412
Arkansas	100	$2,082,718	90,500	125	1,636
Georgia	210	$2,068,332	53,789	73	1,489
Tennessee	210	$1,554,587	45,489	61	851
Connecticut	94	$1,477,160	30,352	80	1,196
Arizona	174	$1,291,926	35,911	100	640
Illinois	316	$1,206,042	42,748	58	324
Massachusetts	278	$1,160,862	38,266	69	359
Pennsylvania	349	$1,082,785	51,229	59	462
South Carolina	90	$710,121	21,286	71	676

Not listed: 1 billers with an armed-forces or unknown state code (ZZ); they are in the national totals.

Not listed: 2 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	473	$11,802,714	244,954	111
Washington-Arlington-Alexandria, DC-VA-MD-WV	105	$3,858,034	73,416	119
Los Angeles-Long Beach-Anaheim, CA	249	$3,520,871	76,744	98
Dallas-Fort Worth-Arlington, TX	163	$2,747,513	65,963	88
Little Rock-North Little Rock-Conway, AR	70	$1,978,532	87,285	220
Miami-Fort Lauderdale-West Palm Beach, FL	132	$1,488,270	31,991	84
Atlanta-Sandy Springs-Roswell, GA	125	$1,485,912	34,377	64
Cape Coral-Fort Myers, FL	45	$1,096,333	24,558	139
Boston-Cambridge-Newton, MA-NH	231	$1,088,094	33,145	66
Phoenix-Mesa-Chandler, AZ	132	$1,039,511	27,934	101
North Port-Bradenton-Sarasota, FL	20	$1,023,322	19,056	74
Chicago-Naperville-Elgin, IL-IN	263	$1,021,719	36,882	61
Memphis, TN-MS-AR	44	$830,152	17,358	153
Orlando-Kissimmee-Sanford, FL	62	$822,553	19,046	145
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	187	$730,948	34,429	59

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 78 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 88313 nationally

Pathology accounts for 57% of payment for 88313 nationally in 2021, across 9 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Pathology	5,992	85%	$29,370,617	57%	1,028,797	172
Clinical Laboratory	343	4.9%	$18,003,475	35%	353,830	1,032
Gastroenterology	353	5.0%	$2,797,982	5.4%	63,100	179
Podiatry	22	0.31%	$434,764	0.85%	6,668	303
Dermatology	174	2.5%	$358,979	0.70%	10,374	60
Urology	38	0.54%	$230,607	0.45%	6,528	172
Internal Medicine	17	0.24%	$115,769	0.23%	3,186	187
Ophthalmology	18	0.26%	$32,050	0.06%	1,845	103
Hematology-Oncology	16	0.23%	$23,902	0.05%	895	56

Not listed: 15 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 88313 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