	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	174	$5,754,804	109,408	119	2,518
Florida	505	$5,691,130	131,723	79	925
New York	488	$5,586,458	142,819	79	1,115
California	653	$5,550,187	150,105	77	782
Maryland	131	$3,766,563	64,297	74	1,862
Texas	557	$3,639,727	107,847	72	649
Arkansas	109	$2,174,967	86,671	145	1,226
Georgia	184	$2,173,797	54,274	84	1,465
Tennessee	192	$1,582,337	46,675	74	905
Arizona	169	$1,424,289	36,137	89	827
Pennsylvania	312	$1,229,837	50,698	61	549
Illinois	302	$1,221,260	40,091	57	303
Connecticut	103	$1,180,967	25,404	62	685
Virginia	140	$844,241	34,279	74	795
Massachusetts	261	$761,561	30,047	63	288

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 2022.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	481	$10,929,364	232,935	122
Washington-Arlington-Alexandria, DC-VA-MD-WV	97	$3,856,495	74,048	124
Los Angeles-Long Beach-Anaheim, CA	271	$3,129,717	72,440	80
Dallas-Fort Worth-Arlington, TX	156	$2,093,187	53,357	79
Little Rock-North Little Rock-Conway, AR	83	$2,089,614	83,781	203
Atlanta-Sandy Springs-Roswell, GA	108	$1,667,655	37,133	55
Miami-Fort Lauderdale-West Palm Beach, FL	123	$1,490,549	31,025	84
Phoenix-Mesa-Chandler, AZ	125	$1,244,977	30,526	90
Cape Coral-Fort Myers, FL	42	$1,077,199	23,386	101
Chicago-Naperville-Elgin, IL-IN	253	$1,046,028	34,593	63
North Port-Bradenton-Sarasota, FL	18	$1,030,131	18,575	112
Memphis, TN-MS-AR	38	$932,350	18,903	182
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	168	$872,675	33,593	72
Houston-Pasadena-The Woodlands, TX	183	$835,328	25,924	69
Orlando-Kissimmee-Sanford, FL	59	$834,171	18,024	125

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 79 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2022.

Specialties billing 88313 nationally

Pathology accounts for 60% of payment for 88313 nationally in 2022, across 8 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Pathology	5,806	86%	$29,207,246	60%	985,123	170
Clinical Laboratory	332	4.9%	$15,955,215	33%	316,673	954
Gastroenterology	331	4.9%	$2,423,765	5.0%	55,727	168
Dermatology	167	2.5%	$446,572	0.91%	10,094	60
Podiatry	17	0.25%	$424,365	0.87%	6,608	389
Urology	34	0.50%	$224,623	0.46%	7,060	208
Internal Medicine	22	0.32%	$154,455	0.32%	4,185	190
Ophthalmology	20	0.30%	$26,887	0.05%	1,760	88

Not listed: 16 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 2022.

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