	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	707	$9,393,572	36,769	30	173
California	587	$8,188,271	25,993	28	132
Texas	607	$6,495,274	26,200	26	130
Pennsylvania	504	$6,390,752	24,247	27	160
North Carolina	333	$4,152,197	15,903	29	147
New York	325	$3,755,331	12,839	25	126
New Jersey	265	$3,560,129	11,844	26	143
Maryland	214	$3,498,255	12,500	33	209
Georgia	305	$3,421,658	13,218	27	130
Massachusetts	287	$3,282,304	12,844	25	155
Ohio	320	$3,015,986	12,001	25	119
Arizona	190	$2,918,904	11,085	35	202
Illinois	284	$2,681,746	10,950	27	95
Tennessee	205	$2,622,043	11,186	34	154
South Carolina	177	$2,578,331	10,666	36	180

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	365	$4,938,353	15,634	25
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	240	$3,407,476	12,123	27
Washington-Arlington-Alexandria, DC-VA-MD-WV	180	$2,310,783	8,425	29
Boston-Cambridge-Newton, MA-NH	221	$2,245,885	8,948	24
Phoenix-Mesa-Chandler, AZ	139	$2,170,601	7,972	33
Los Angeles-Long Beach-Anaheim, CA	168	$2,053,092	6,956	28
Dallas-Fort Worth-Arlington, TX	194	$2,015,788	7,862	26
Atlanta-Sandy Springs-Roswell, GA	167	$1,934,930	7,180	26
Miami-Fort Lauderdale-West Palm Beach, FL	158	$1,878,527	7,251	25
Chicago-Naperville-Elgin, IL-IN	204	$1,803,703	7,448	27
Baltimore-Columbia-Towson, MD	92	$1,638,499	5,874	35
San Francisco-Oakland-Fremont, CA	99	$1,558,684	4,359	28
Detroit-Warren-Dearborn, MI	109	$1,238,278	4,877	31
Seattle-Tacoma-Bellevue, WA	119	$1,224,065	4,415	24
Jacksonville, FL	84	$1,086,341	4,396	26

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 96 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 G0105 nationally

Ambulatory Surgical Center accounts for 57% of payment for G0105 nationally in 2022, across 6 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ambulatory Surgical Center	1,406	16%	$56,022,862	57%	150,714	107
Gastroenterology	5,782	67%	$35,643,163	36%	192,154	33
General Surgery	718	8.3%	$2,904,459	2.9%	16,345	23
Colorectal Surgery (Proctology)	350	4.1%	$2,165,070	2.2%	11,471	33
Internal Medicine	290	3.4%	$1,595,620	1.6%	8,557	30
Family Practice	47	0.55%	$159,508	0.16%	919	20

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 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