	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	10,448	$119,025,755	+4%	3,714,400	219	949	0.56
2023	10,274	$114,255,266	+4% (2023 changed hospital and observation visit codes)	3,581,269	213	920	0.56
2022	10,211	$110,165,585	-3%	3,408,551	205	858	0.56
2021	10,142	$113,075,997	– (Not compared: 2021 changed office visit values)	3,350,348	203	844	0.56
2020	9,961	$103,783,517	first year in data	3,065,394	190	809	0.56

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	869	$11,992,691	318,465	209	872
Florida	614	$11,588,508	288,807	258	1,341
New York	709	$7,359,384	204,362	175	761
Texas	755	$6,628,461	192,414	152	619
Arizona	184	$5,532,697	120,574	271	1,047
Illinois	442	$4,275,776	132,559	204	791
Pennsylvania	543	$4,057,381	148,036	190	716
New Jersey	228	$3,652,225	95,127	259	1,066
Maryland	220	$3,472,514	83,038	233	1,124
Massachusetts	413	$3,245,523	104,186	190	727
Tennessee	289	$3,206,432	89,488	195	728
Ohio	414	$2,953,141	106,444	174	794
Virginia	190	$2,913,927	86,754	259	1,339
North Carolina	294	$2,494,719	82,401	201	826
Georgia	227	$2,408,838	75,523	196	880

Not listed: 2 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 2020.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	646	$9,073,869	226,745	198
Los Angeles-Long Beach-Anaheim, CA	339	$5,603,020	139,798	209
Phoenix-Mesa-Chandler, AZ	137	$4,934,372	104,470	273
Miami-Fort Lauderdale-West Palm Beach, FL	181	$3,938,758	88,758	238
Chicago-Naperville-Elgin, IL-IN	362	$3,743,113	110,594	200
Washington-Arlington-Alexandria, DC-VA-MD-WV	158	$2,990,860	68,057	249
Dallas-Fort Worth-Arlington, TX	199	$2,910,306	69,493	153
Cape Coral-Fort Myers, FL	31	$2,872,502	52,444	750
Boston-Cambridge-Newton, MA-NH	332	$2,661,265	81,089	185
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	272	$2,061,783	72,822	190
St. Louis, MO-IL	139	$1,800,187	47,323	208
San Diego-Chula Vista-Carlsbad, CA	95	$1,650,163	41,804	186
Nashville-Davidson--Murfreesboro--Franklin, TN	139	$1,490,246	45,280	178
Atlanta-Sandy Springs-Roswell, GA	135	$1,456,767	44,487	192
Tampa-St. Petersburg-Clearwater, FL	118	$1,439,279	42,917	241

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 95 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 88341 nationally

Pathology accounts for 66% of payment for 88341 nationally in 2020, across 5 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Pathology	9,123	92%	$68,872,883	66%	2,433,809	267
Clinical Laboratory	389	3.9%	$30,716,810	30%	545,608	1,403
Dermatology	352	3.5%	$3,750,631	3.6%	72,282	205
Gastroenterology	29	0.29%	$96,737	0.09%	2,353	81
Urology	20	0.20%	$47,220	0.05%	1,699	85

Not listed: 17 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 88341 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