	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
California	669	$6,625,813	163,628	77	788
New York	469	$5,680,716	139,915	80	1,208
New Jersey	182	$5,673,285	107,123	105	3,402
Florida	472	$5,471,332	129,648	79	1,096
Maryland	138	$4,054,318	69,880	73	1,857
Texas	551	$3,712,922	105,661	75	584
Georgia	210	$2,142,200	54,611	71	1,141
Arkansas	105	$1,885,339	87,429	153	1,092
Pennsylvania	309	$1,715,922	59,305	66	739
Arizona	169	$1,711,579	43,115	97	960
Tennessee	203	$1,532,472	47,226	65	1,025
Connecticut	104	$1,146,849	24,228	64	690
Illinois	282	$1,068,177	36,290	56	318
South Carolina	127	$847,257	24,504	74	408
Massachusetts	274	$772,541	32,684	63	358

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	480	$10,495,923	222,039	105
Washington-Arlington-Alexandria, DC-VA-MD-WV	98	$4,025,148	77,333	95
Los Angeles-Long Beach-Anaheim, CA	274	$3,994,445	83,604	86
Dallas-Fort Worth-Arlington, TX	145	$2,203,724	52,448	92
Little Rock-North Little Rock-Conway, AR	79	$1,808,787	84,736	198
Atlanta-Sandy Springs-Roswell, GA	131	$1,680,219	39,181	63
Miami-Fort Lauderdale-West Palm Beach, FL	116	$1,388,845	28,508	83
Phoenix-Mesa-Chandler, AZ	126	$1,315,918	31,418	104
Cape Coral-Fort Myers, FL	24	$1,132,389	23,784	145
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	169	$1,010,867	35,979	71
Orlando-Kissimmee-Sanford, FL	55	$915,006	19,534	133
Memphis, TN-MS-AR	42	$902,149	19,018	124
Chicago-Naperville-Elgin, IL-IN	238	$887,879	31,489	64
Houston-Pasadena-The Woodlands, TX	186	$750,913	24,680	67
Boston-Cambridge-Newton, MA-NH	222	$710,942	27,804	65

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 2023.

Specialties billing 88313 nationally

Pathology accounts for 59% of payment for 88313 nationally in 2023, across 9 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Pathology	5,765	85%	$29,600,900	59%	988,034	171
Clinical Laboratory	335	5.0%	$15,744,858	31%	319,117	953
Gastroenterology	354	5.2%	$2,843,183	5.7%	65,170	184
Dermatology	167	2.5%	$1,151,912	2.3%	19,623	118
Podiatry	16	0.24%	$371,787	0.74%	5,862	366
Urology	32	0.47%	$191,879	0.38%	6,138	192
Internal Medicine	31	0.46%	$160,939	0.32%	4,594	148
Ophthalmology	18	0.27%	$26,802	0.05%	1,845	103
Hematology-Oncology	13	0.19%	$15,134	0.03%	542	42

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 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