	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	8,514	$59,335,934	-3%	881,889	81	261	1.59
2023	8,511	$61,185,252	-2%	887,379	82	264	1.59
2022	8,539	$62,529,430	-5%	887,291	82	258	1.59
2021	8,609	$66,047,784	+0%	912,696	83	260	1.59
2020	8,510	$65,751,112	first year in data	884,414	82	255	1.59

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	744	$6,672,263	85,398	83	298
New York	622	$4,213,750	59,507	70	249
Florida	494	$4,125,330	61,636	93	320
Texas	673	$3,970,445	60,514	74	206
Pennsylvania	456	$2,724,992	43,763	74	244
Massachusetts	352	$2,573,435	38,946	84	299
Illinois	378	$2,335,690	36,063	78	229
Ohio	380	$1,955,139	32,198	72	202
Virginia	171	$1,600,789	24,005	114	328
Georgia	183	$1,588,320	21,196	94	232
North Carolina	224	$1,581,340	24,354	85	281
Maryland	181	$1,579,460	21,838	102	279
New Jersey	181	$1,570,240	21,536	100	282
Tennessee	213	$1,504,048	22,251	89	234
Washington	191	$1,397,482	20,952	92	255

Not listed: 6 billers with an armed-forces or unknown state code (AE, 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	554	$4,527,887	61,970	83
Los Angeles-Long Beach-Anaheim, CA	287	$2,700,398	32,373	74
Boston-Cambridge-Newton, MA-NH	280	$2,161,781	32,394	84
Chicago-Naperville-Elgin, IL-IN	316	$2,045,356	31,302	81
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	224	$1,710,554	26,341	90
Houston-Pasadena-The Woodlands, TX	244	$1,193,833	19,034	63
Dallas-Fort Worth-Arlington, TX	167	$1,129,281	15,967	78
Atlanta-Sandy Springs-Roswell, GA	105	$1,110,185	13,314	96
Phoenix-Mesa-Chandler, AZ	107	$1,079,623	16,145	143
Miami-Fort Lauderdale-West Palm Beach, FL	138	$1,062,787	15,971	74
Baltimore-Columbia-Towson, MD	122	$1,056,025	14,942	110
Washington-Arlington-Alexandria, DC-VA-MD-WV	123	$1,055,177	14,660	103
San Francisco-Oakland-Fremont, CA	94	$836,652	11,355	95
Seattle-Tacoma-Bellevue, WA	111	$752,186	11,101	89
Tampa-St. Petersburg-Clearwater, FL	112	$737,974	10,956	79

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 98 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 88307 nationally

Pathology accounts for 91% of payment for 88307 nationally in 2024, across 3 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Pathology	8,259	97%	$54,155,783	91%	837,901	101
Clinical Laboratory	175	2.1%	$4,377,339	7.4%	37,613	215
Dermatology	28	0.33%	$522,119	0.88%	3,180	114

Not listed: 19 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 88307 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