	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	8,537	$105,008,876	-0%	364,912	26	132	3.26
2023	8,773	$105,087,294	+7%	384,059	27	136	3.26
2022	8,623	$98,638,928	+2%	380,903	27	137	3.26
2021	8,482	$96,750,545	+35%	372,353	27	136	3.26
2020	7,238	$71,579,724	first year in data	279,730	24	117	3.26

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
Florida	628	$7,512,760	29,752	28	158
California	485	$5,437,696	17,705	23	113
Pennsylvania	432	$4,504,039	17,153	24	119
Texas	446	$4,302,909	17,247	25	120
North Carolina	310	$3,482,958	13,686	28	131
New York	257	$2,558,255	8,950	22	108
Georgia	246	$2,483,217	9,694	25	106
Ohio	283	$2,313,628	9,320	21	105
Massachusetts	215	$2,291,062	8,954	26	129
Tennessee	200	$2,233,496	9,479	31	145
New Jersey	181	$2,020,375	6,727	22	125
Arizona	168	$1,961,225	7,643	30	151
South Carolina	157	$1,908,375	8,014	29	149
Michigan	214	$1,898,482	7,471	25	112
Illinois	239	$1,890,051	7,645	22	74

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 2020.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	256	$2,956,973	9,283	21
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	191	$2,178,555	7,728	26
Boston-Cambridge-Newton, MA-NH	164	$1,484,815	5,913	23
Atlanta-Sandy Springs-Roswell, GA	139	$1,407,128	5,292	23
Phoenix-Mesa-Chandler, AZ	113	$1,351,441	5,122	29
Miami-Fort Lauderdale-West Palm Beach, FL	131	$1,293,252	5,092	22
Dallas-Fort Worth-Arlington, TX	132	$1,238,801	4,710	23
Chicago-Naperville-Elgin, IL-IN	162	$1,191,053	4,884	22
Los Angeles-Long Beach-Anaheim, CA	129	$1,113,056	3,833	22
Baltimore-Columbia-Towson, MD	73	$1,055,825	3,835	28
Seattle-Tacoma-Bellevue, WA	91	$882,089	3,133	23
Detroit-Warren-Dearborn, MI	86	$880,999	3,369	28
San Francisco-Oakland-Fremont, CA	79	$864,436	2,526	23
Jacksonville, FL	71	$847,227	3,399	20
Charlotte-Concord-Gastonia, NC-SC	81	$831,921	3,331	25

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 93 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 G0105 nationally

Ambulatory Surgical Center accounts for 55% of payment for G0105 nationally in 2020, across 6 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ambulatory Surgical Center	1,309	18%	$39,488,645	55%	112,373	86
Gastroenterology	4,807	66%	$26,997,349	38%	140,435	29
General Surgery	542	7.5%	$2,192,980	3.1%	11,922	22
Colorectal Surgery (Proctology)	297	4.1%	$1,532,194	2.1%	8,036	27
Internal Medicine	227	3.1%	$1,149,289	1.6%	5,853	26
Family Practice	37	0.51%	$113,357	0.16%	617	17

Not listed: 11 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 G0105 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