	observed	calculated	calculated	calculated	calculated	calculated
2024	2,208	$33,597,297	+3%	874,498	31	1,273
2023	2,349	$32,554,343	+3%	847,502	30	1,155
2022	2,351	$31,458,056	-4%	812,715	32	1,139
2021	2,532	$32,642,040	+4%	833,311	32	1,037
2020	2,500	$31,315,226	first year in data	804,191	33	1,027

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
Texas	224	$4,062,600	104,938	34	1,339
California	140	$3,907,513	100,911	119	2,375
New Jersey	53	$3,280,944	84,677	39	5,719
New York	123	$2,154,738	55,599	70	1,253
North Carolina	195	$2,043,807	52,743	23	181
Florida	113	$2,011,690	51,894	44	1,633
Ohio	30	$1,085,359	28,009	120	5,165
Kansas	50	$1,048,483	27,062	23	1,501
Oklahoma	27	$930,047	24,053	81	4,806
Tennessee	142	$926,142	23,934	27	463
Massachusetts	75	$897,608	23,156	33	1,270
Illinois	73	$830,584	21,483	43	1,071
Washington	25	$709,485	18,386	81	2,916
Arizona	35	$690,060	17,806	130	2,342
Alabama	90	$684,013	17,687	27	250

Not listed: 18 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 2022.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	122	$5,167,247	133,336	74
Los Angeles-Long Beach-Anaheim, CA	83	$2,221,380	57,397	141
Dallas-Fort Worth-Arlington, TX	41	$1,655,110	42,739	93
Houston-Pasadena-The Woodlands, TX	20	$954,715	24,665	41
Austin-Round Rock-San Marcos, TX	17	$924,827	23,861	21
Chicago-Naperville-Elgin, IL-IN	63	$821,421	21,254	47
Boston-Cambridge-Newton, MA-NH	53	$812,277	20,950	33
San Diego-Chula Vista-Carlsbad, CA	22	$811,380	20,946	100
Miami-Fort Lauderdale-West Palm Beach, FL	25	$689,602	17,777	107
Phoenix-Mesa-Chandler, AZ	26	$681,879	17,595	168
Seattle-Tacoma-Bellevue, WA	15	$646,529	16,749	47
Birmingham, AL	35	$572,696	14,796	26
Detroit-Warren-Dearborn, MI	32	$480,164	12,402	47
Memphis, TN-MS-AR	48	$387,889	10,021	34
Atlanta-Sandy Springs-Roswell, GA	13	$369,284	9,532	31

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 37 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2022.

Specialties billing 83880 nationally

Clinical Laboratory accounts for 84% of payment for 83880 nationally in 2022, across 14 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Clinical Laboratory	488	21%	$26,540,868	84%	685,273	1,404
Cardiology	323	14%	$1,477,302	4.7%	38,241	118
Internal Medicine	455	19%	$1,067,528	3.4%	27,718	61
Family Practice	410	17%	$616,831	2.0%	15,975	39
Nurse Practitioner	275	12%	$502,082	1.6%	13,010	47
Pathology	29	1.2%	$436,726	1.4%	11,335	391
Interventional Cardiology	96	4.1%	$269,485	0.86%	6,966	73
Physician Assistant	122	5.2%	$154,852	0.49%	4,008	33
Endocrinology	14	0.60%	$88,968	0.28%	2,306	165
Pulmonary Disease	26	1.1%	$76,576	0.24%	1,979	76
Clinical Cardiac Electrophysiology	22	0.94%	$39,692	0.13%	1,025	47
Emergency Medicine	35	1.5%	$30,947	0.10%	800	23
Nephrology	14	0.60%	$26,519	0.08%	687	49
General Practice	12	0.51%	$24,204	0.08%	626	52

Not listed: 14 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 2022.

Top billers of 83880 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