	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	16,278	$247,476,024	-1%	1,249,030	44	236	3.56
2023	16,427	$249,156,906	+3%	1,301,033	46	244	3.56
2022	16,256	$242,022,657	-4%	1,318,857	48	247	3.56
2021	16,397	$250,918,771	+20%	1,349,086	49	247	3.56
2020	15,662	$208,596,658	first year in data	1,145,510	44	225	3.56

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
California	1,418	$31,611,525	144,389	62	319
Florida	1,131	$20,975,426	111,467	54	310
Texas	1,179	$18,446,350	101,887	50	268
New York	1,199	$17,872,353	79,091	40	181
New Jersey	593	$11,506,930	52,738	56	265
Pennsylvania	836	$10,208,856	58,174	45	222
Maryland	364	$9,743,185	45,979	79	515
Illinois	646	$8,300,483	53,702	56	221
Arizona	333	$7,393,444	35,569	59	365
North Carolina	516	$7,268,350	41,283	48	252
Georgia	470	$6,517,599	35,202	46	253
Washington	370	$6,049,250	33,608	57	274
Ohio	636	$6,000,686	38,787	39	178
Massachusetts	441	$5,353,659	33,736	52	211
Virginia	378	$5,101,879	31,274	58	211

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

Not listed: 3 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	1,304	$22,126,093	94,956	45
Los Angeles-Long Beach-Anaheim, CA	513	$10,738,893	47,214	54
Washington-Arlington-Alexandria, DC-VA-MD-WV	321	$7,641,496	36,521	71
Dallas-Fort Worth-Arlington, TX	374	$6,698,966	34,039	55
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	435	$6,581,487	33,830	49
Phoenix-Mesa-Chandler, AZ	250	$6,095,992	28,290	60
Chicago-Naperville-Elgin, IL-IN	474	$5,749,317	39,769	62
San Francisco-Oakland-Fremont, CA	182	$4,606,047	18,852	62
Houston-Pasadena-The Woodlands, TX	294	$4,536,648	24,734	50
Atlanta-Sandy Springs-Roswell, GA	268	$4,104,506	20,685	49
Boston-Cambridge-Newton, MA-NH	348	$3,890,843	25,405	50
Baltimore-Columbia-Towson, MD	173	$3,874,238	18,709	57
Miami-Fort Lauderdale-West Palm Beach, FL	294	$3,822,343	20,078	34
Seattle-Tacoma-Bellevue, WA	204	$3,465,794	18,214	57
Jacksonville, FL	117	$2,785,029	14,462	64

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 100 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 45380 nationally

Ambulatory Surgical Center accounts for 61% of payment for 45380 nationally in 2022, across 8 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ambulatory Surgical Center	1,777	11%	$147,624,931	61%	432,677	243
Gastroenterology	11,352	70%	$80,933,834	33%	768,054	68
General Surgery	1,565	9.6%	$5,625,281	2.3%	49,120	31
Internal Medicine	739	4.5%	$4,449,159	1.8%	39,966	54
Colorectal Surgery (Proctology)	581	3.6%	$2,410,510	1.00%	21,209	37
Family Practice	163	1.0%	$539,142	0.22%	4,198	26
Hospitalist	20	0.12%	$88,939	0.04%	922	46
General Practice	13	0.08%	$81,736	0.03%	478	37

Not listed: 21 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 45380 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