	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	1,421	$39,649,683	-51%	285,069	28	384	0.00
2023	1,141	$80,656,525	+567%	577,583	27	406	0.00
2022	948	$12,099,935	+194%	86,499	25	260	0.00
2021	345	$4,114,908	+1774%	28,934	26	251	0.00
2020	21	$219,573	first year in data	1,562	23	437

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	217	$14,319,781	102,973	24	2,350
Texas	71	$10,869,810	78,094	57	829
New York	50	$2,481,299	17,779	33	814
New Jersey	14	$1,735,651	12,428	199	3,416
Illinois	42	$1,283,580	9,192	74	748
Maryland	127	$1,189,931	8,599	43	194
South Carolina	94	$968,799	7,022	37	139
North Carolina	113	$911,100	6,596	28	106
Arizona	31	$721,795	5,164	20	787
Pennsylvania	11	$495,138	3,548	81	1,422
Indiana	89	$494,094	3,552	23	83
Oklahoma	16	$474,363	3,411	43	900
Florida	24	$457,730	3,278	72	515
Michigan	17	$361,647	2,589	36	510
Ohio	24	$297,174	2,184	17	179

Not listed: 2 billers with an armed-forces or unknown state code (AE, AP); they are in the national totals.

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 2024.

Top metro areas

	observed	calculated	calculated	calculated
Dallas-Fort Worth-Arlington, TX	18	$10,293,614	73,947	114
Los Angeles-Long Beach-Anaheim, CA	31	$6,993,800	50,549	212
New York-Newark-Jersey City, NY-NJ	34	$3,960,099	28,353	44
San Jose-Sunnyvale-Santa Clara, CA	44	$2,881,615	20,617	22
San Francisco-Oakland-Fremont, CA	57	$2,732,558	19,551	21
Chicago-Naperville-Elgin, IL-IN	44	$1,256,989	9,003	70
Baltimore-Columbia-Towson, MD	67	$803,249	5,787	45
Columbia, SC	88	$690,307	5,026	37
Washington-Arlington-Alexandria, DC-VA-MD-WV	87	$462,622	3,344	28
Evansville, IN	64	$280,561	2,017	23
Sacramento-Roseville-Folsom, CA	28	$192,951	1,383	18
Boston-Cambridge-Newton, MA-NH	34	$179,478	1,285	25
Kansas City, MO-KS	36	$151,132	1,086	28
Asheville, NC	16	$116,387	842	42
Kiryas Joel-Poughkeepsie-Newburgh, NY	21	$111,614	810	36

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 28 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 87637 nationally

Clinical Laboratory accounts for 78% of payment for 87637 nationally in 2024, across 7 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Clinical Laboratory	232	16%	$30,813,344	78%	221,375	954
Emergency Medicine	83	5.8%	$3,045,944	7.7%	21,849	263
Nurse Practitioner	408	29%	$1,873,014	4.7%	13,586	33
Family Practice	299	21%	$1,323,578	3.3%	9,558	32
Physician Assistant	258	18%	$1,148,898	2.9%	8,323	32
Internal Medicine	107	7.5%	$853,128	2.2%	6,130	57
Pathology	12	0.84%	$413,281	1.0%	2,964	247

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 2024.

Top billers of 87637 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