	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	380	$27,768,179	+0%	12,153	23	82	9.00
2023	396	$27,749,120	-6%	12,696	23	80	9.00
2022	443	$29,372,409	-14%	14,531	22	87	9.00
2021	585	$34,001,784	-32%	19,907	22	92	9.00
2020	788	$49,807,411	first year in data	31,002	24	118	9.00

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	47	$3,914,448	1,668	24	108
Texas	50	$3,831,404	1,811	25	87
New York	27	$2,309,176	1,041	24	85
New Jersey	17	$1,738,786	709	31	113
Virginia	15	$1,576,072	719	34	124
Maryland	16	$1,561,633	721	41	104
Florida	22	$1,473,531	685	26	60
Pennsylvania	15	$1,450,692	543	32	81
Illinois	20	$1,274,891	526	23	52
Michigan	14	$707,250	367	18	57
Georgia	14	$633,627	357	20	53
Indiana	11	$421,550	241	20	35
Mississippi	12	$355,829	277	19	40
South Carolina	12	$354,354	303	24	45

Not listed: 26 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 2023.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	35	$3,564,855	1,495	26
Washington-Arlington-Alexandria, DC-VA-MD-WV	14	$1,954,745	899	58
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	20	$1,859,417	742	33
Los Angeles-Long Beach-Anaheim, CA	14	$1,557,356	672	40
Chicago-Naperville-Elgin, IL-IN	19	$1,085,252	471	21
Baltimore-Columbia-Towson, MD	12	$933,183	434	37
Houston-Pasadena-The Woodlands, TX	13	$510,946	253	16

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 7 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2023.

Specialties billing 36905 nationally

Ambulatory Surgical Center accounts for 64% of payment for 36905 nationally in 2023, across 6 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ambulatory Surgical Center	80	20%	$17,650,323	64%	3,832	48
Nephrology	145	37%	$4,941,940	18%	4,109	28
Vascular Surgery	52	13%	$2,113,948	7.6%	1,350	26
Interventional Radiology	48	12%	$1,447,301	5.2%	1,535	32
Diagnostic Radiology	35	8.8%	$856,991	3.1%	965	28
General Surgery	17	4.3%	$321,134	1.2%	387	23

Not listed: 4 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 2023.

Top billers of 36905 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