	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	6,961	$82,400,933	+0%	1,382,731	51	590	0.54
2023	6,966	$82,223,361	+3%	1,352,038	51	589	0.54
2022	7,110	$79,719,317	-4%	1,309,839	50	580	0.54
2021	7,445	$83,109,937	+15%	1,393,386	52	573	0.54
2020	7,395	$72,086,252	first year in data	1,296,368	51	531	0.54

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	545	$12,737,602	215,495	75	1,308
New York	469	$10,894,791	148,852	54	1,207
California	739	$8,446,184	127,131	66	585
Georgia	245	$6,863,207	94,799	76	1,155
Texas	620	$6,820,706	112,553	64	382
New Jersey	176	$4,816,007	67,947	85	1,730
Arkansas	97	$2,919,736	58,295	59	483
Maryland	142	$2,630,210	35,319	51	927
Massachusetts	238	$2,318,916	36,478	55	388
Tennessee	213	$2,294,167	41,632	60	885
Pennsylvania	350	$1,965,700	37,545	41	383
Illinois	325	$1,698,481	34,748	45	322
North Carolina	202	$1,515,827	30,627	46	498
Arizona	141	$1,405,471	21,504	60	598
Ohio	277	$1,319,128	26,027	35	245

Not listed: 1 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	478	$15,047,231	200,796	84
Miami-Fort Lauderdale-West Palm Beach, FL	136	$7,996,910	129,915	109
Atlanta-Sandy Springs-Roswell, GA	145	$6,000,411	76,734	78
Los Angeles-Long Beach-Anaheim, CA	305	$4,532,287	65,063	70
Dallas-Fort Worth-Arlington, TX	146	$3,838,919	55,169	65
Little Rock-North Little Rock-Conway, AR	62	$2,756,754	54,547	66
Washington-Arlington-Alexandria, DC-VA-MD-WV	100	$2,725,932	40,189	70
Boston-Cambridge-Newton, MA-NH	188	$2,274,289	34,163	57
Houston-Pasadena-The Woodlands, TX	200	$1,573,249	25,720	56
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	186	$1,335,276	24,885	38
Chicago-Naperville-Elgin, IL-IN	257	$1,255,320	26,812	45
Orlando-Kissimmee-Sanford, FL	68	$1,202,899	20,998	205
Memphis, TN-MS-AR	47	$1,187,169	19,086	118
Phoenix-Mesa-Chandler, AZ	102	$1,120,252	16,897	60
Louisville/Jefferson County, KY-IN	49	$991,971	12,651	42

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 85 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 88312 nationally

Pathology accounts for 51% of payment for 88312 nationally in 2021, across 7 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Pathology	6,068	82%	$42,254,353	51%	827,131	136
Clinical Laboratory	411	5.5%	$31,499,146	38%	424,491	1,033
Dermatology	455	6.1%	$4,502,851	5.4%	66,844	147
Gastroenterology	409	5.5%	$3,105,725	3.7%	51,592	126
Podiatry	25	0.34%	$1,238,201	1.5%	13,942	558
Internal Medicine	19	0.26%	$195,294	0.23%	3,417	180
Oral Surgery (Dentist only)	12	0.16%	$21,760	0.03%	363	30

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 2021.

Top billers of 88312 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