	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	11,517	$111,797,225	+4%	2,417,798	107	583	0.70
2023	11,370	$107,718,250	+2%	2,385,582	108	571	0.70
2022	11,287	$105,468,654	-4%	2,311,168	106	557	0.70
2021	11,205	$109,690,784	+13%	2,324,812	107	551	0.70
2020	11,066	$97,139,441	first year in data	2,055,955	99	495	0.70

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
Florida	729	$12,125,363	228,472	141	1,087
California	945	$10,356,243	205,760	121	633
New York	859	$9,212,028	181,864	90	569
Texas	903	$9,199,748	181,594	93	509
New Jersey	249	$5,670,459	106,436	170	1,684
Maryland	246	$5,502,286	87,005	134	1,248
Illinois	497	$4,317,394	102,287	115	562
Arizona	210	$4,282,650	77,350	162	882
Massachusetts	473	$3,913,268	83,386	101	465
Tennessee	296	$3,717,203	76,991	135	778
Pennsylvania	582	$3,512,019	95,645	101	473
Arkansas	135	$3,138,316	53,413	112	705
Georgia	266	$2,864,855	56,611	109	571
Virginia	210	$2,724,442	59,294	159	752
North Carolina	317	$2,624,366	58,727	112	568

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 2021.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	785	$13,103,759	239,737	110
Washington-Arlington-Alexandria, DC-VA-MD-WV	169	$5,249,222	81,404	152
Dallas-Fort Worth-Arlington, TX	240	$5,142,147	82,518	97
Los Angeles-Long Beach-Anaheim, CA	367	$4,331,140	83,895	114
Chicago-Naperville-Elgin, IL-IN	408	$3,876,065	88,162	115
Phoenix-Mesa-Chandler, AZ	154	$3,671,950	64,109	169
Miami-Fort Lauderdale-West Palm Beach, FL	193	$3,633,394	65,820	117
Boston-Cambridge-Newton, MA-NH	385	$3,525,357	71,623	99
Little Rock-North Little Rock-Conway, AR	98	$2,825,386	45,718	102
Tampa-St. Petersburg-Clearwater, FL	167	$2,303,719	44,999	122
Atlanta-Sandy Springs-Roswell, GA	155	$2,290,790	40,054	109
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	291	$2,233,939	58,427	109
Memphis, TN-MS-AR	61	$1,579,305	25,169	140
Nashville-Davidson--Murfreesboro--Franklin, TN	144	$1,496,265	34,875	126
Houston-Pasadena-The Woodlands, TX	309	$1,466,931	34,665	85

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 91 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2021.

Specialties billing 88342 nationally

Pathology accounts for 60% of payment for 88342 nationally in 2021, across 9 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Pathology	9,942	89%	$66,175,514	60%	1,664,855	167
Clinical Laboratory	445	4.0%	$36,236,629	33%	531,587	1,195
Dermatology	535	4.8%	$6,126,331	5.6%	102,398	191
Gastroenterology	129	1.2%	$559,268	0.51%	12,501	97
Micrographic Dermatologic Surgery	41	0.37%	$176,277	0.16%	2,652	65
Urology	27	0.24%	$110,809	0.10%	3,487	129
Neurology	14	0.12%	$45,254	0.04%	1,183	85
Ophthalmology	12	0.11%	$24,124	0.02%	595	50
Oral Surgery (Dentist only)	11	0.10%	$12,921	0.01%	307	28

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 2021.

Top billers of 88342 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