	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%	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	+9%	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	942	$14,591,858	420,989	276	1,091
Florida	658	$13,769,729	352,076	264	1,799
New York	765	$8,978,624	255,343	213	907
Texas	845	$7,684,813	248,470	183	753
Illinois	436	$5,423,718	164,641	231	865
Arizona	216	$5,395,151	130,904	316	1,384
Pennsylvania	537	$4,726,486	175,283	215	963
Massachusetts	442	$4,231,295	141,308	219	808
New Jersey	237	$3,628,618	104,473	284	1,093
Ohio	442	$3,590,461	135,114	205	948
Maryland	227	$3,569,369	95,943	254	1,077
Virginia	197	$3,356,887	104,029	304	1,702
Tennessee	282	$3,347,472	99,182	212	862
Georgia	236	$2,807,555	82,468	253	926
North Carolina	289	$2,672,903	87,222	206	942

Not listed: 5 billers with an armed-forces or unknown state code (AP, 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 2024.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	705	$10,822,091	286,518	254
Los Angeles-Long Beach-Anaheim, CA	373	$6,721,499	179,357	279
Chicago-Naperville-Elgin, IL-IN	371	$4,928,111	144,597	238
Phoenix-Mesa-Chandler, AZ	160	$4,599,552	109,198	347
Miami-Fort Lauderdale-West Palm Beach, FL	187	$4,353,853	106,078	256
Boston-Cambridge-Newton, MA-NH	363	$3,670,322	116,428	215
Cape Coral-Fort Myers, FL	33	$3,370,835	60,576	558
Washington-Arlington-Alexandria, DC-VA-MD-WV	151	$2,948,031	74,226	306
Dallas-Fort Worth-Arlington, TX	200	$2,787,792	76,677	205
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	273	$2,376,765	86,918	218
Houston-Pasadena-The Woodlands, TX	318	$2,169,365	77,412	155
Atlanta-Sandy Springs-Roswell, GA	145	$2,087,734	57,249	294
Tampa-St. Petersburg-Clearwater, FL	149	$2,030,607	61,655	253
San Francisco-Oakland-Fremont, CA	124	$1,794,685	49,594	256
Little Rock-North Little Rock-Conway, AR	90	$1,702,122	45,093	154

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 92 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2024.

Specialties billing 88341 nationally

Pathology accounts for 67% of payment for 88341 nationally in 2024, across 4 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Pathology	9,564	92%	$79,909,760	67%	2,959,409	309
Clinical Laboratory	375	3.6%	$30,937,226	26%	596,427	1,590
Dermatology	431	4.1%	$7,793,448	6.5%	145,758	338
Gastroenterology	18	0.17%	$55,362	0.05%	1,283	71

Not listed: 20 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 2024.

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