	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	4,818	$23,802,074	-3%	812,667	82	418	0.56
2023	4,868	$24,661,162	-3%	827,246	80	426	0.56
2022	4,937	$25,408,766	-4%	829,651	79	428	0.56
2021	4,949	$26,603,617	+2%	849,065	82	443	0.56
2020	4,912	$26,081,065	first year in data	822,103	82	441	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
New York	330	$2,936,236	75,520	108	584
Florida	316	$2,422,007	69,336	91	466
California	432	$2,257,013	62,994	77	407
New Jersey	134	$1,935,794	49,410	88	2,292
Pennsylvania	266	$1,279,091	44,401	89	393
Tennessee	149	$1,257,186	35,768	98	1,029
Massachusetts	203	$1,234,631	43,833	104	620
Texas	267	$1,110,048	34,928	51	404
Maryland	88	$1,064,669	24,602	91	717
Illinois	223	$899,139	28,726	65	336
Michigan	168	$711,678	25,247	100	313
North Carolina	148	$676,044	26,851	99	428
Oklahoma	32	$626,380	20,250	155	1,069
Ohio	251	$611,174	25,830	82	257
Arizona	103	$520,285	17,929	118	344

Not listed: 4 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	290	$4,294,437	104,066	115
Los Angeles-Long Beach-Anaheim, CA	144	$1,135,474	27,081	76
Washington-Arlington-Alexandria, DC-VA-MD-WV	86	$943,949	22,687	76
Boston-Cambridge-Newton, MA-NH	140	$904,494	30,735	99
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	125	$838,462	27,177	91
Chicago-Naperville-Elgin, IL-IN	178	$813,680	25,400	75
Dallas-Fort Worth-Arlington, TX	76	$631,753	17,819	63
Memphis, TN-MS-AR	21	$614,149	15,492	136
Tampa-St. Petersburg-Clearwater, FL	68	$548,303	17,068	75
Oklahoma City, OK	16	$525,062	16,213	174
Miami-Fort Lauderdale-West Palm Beach, FL	71	$466,332	13,842	75
Phoenix-Mesa-Chandler, AZ	83	$441,815	15,246	124
Detroit-Warren-Dearborn, MI	77	$434,491	12,610	88
Nashville-Davidson--Murfreesboro--Franklin, TN	69	$376,765	11,097	72
Atlanta-Sandy Springs-Roswell, GA	71	$303,313	10,297	71

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 80 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 88112 nationally

Pathology accounts for 69% of payment for 88112 nationally in 2020, across 3 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Pathology	4,454	91%	$17,953,754	69%	604,139	136
Clinical Laboratory	262	5.3%	$7,466,778	29%	196,593	750
Urology	185	3.8%	$634,052	2.4%	20,365	110

Not listed: 10 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 88112 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