	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	666	$10,107,735	34,363	31	171
California	612	$9,675,759	26,692	27	132
Texas	607	$7,338,048	25,671	26	131
Pennsylvania	503	$6,149,232	21,890	26	143
North Carolina	334	$4,228,544	14,613	27	138
Maryland	218	$3,880,634	12,275	31	160
New Jersey	268	$3,814,671	11,218	25	134
New York	316	$3,707,606	11,401	20	129
Georgia	297	$3,587,202	12,355	26	132
Massachusetts	267	$3,411,184	12,618	26	135
Ohio	342	$3,316,972	12,258	23	116
Arizona	195	$3,064,009	10,540	33	190
South Carolina	177	$2,991,617	10,822	37	204
Illinois	291	$2,771,160	10,680	26	85
Tennessee	199	$2,651,776	10,179	35	145

Not listed: 4 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
New York-Newark-Jersey City, NY-NJ	359	$5,256,474	14,735	24
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	232	$3,335,456	10,859	27
Los Angeles-Long Beach-Anaheim, CA	190	$2,437,989	7,132	24
Dallas-Fort Worth-Arlington, TX	198	$2,430,096	8,201	28
Boston-Cambridge-Newton, MA-NH	196	$2,385,545	8,700	25
Phoenix-Mesa-Chandler, AZ	146	$2,203,163	7,299	30
Miami-Fort Lauderdale-West Palm Beach, FL	145	$2,159,395	6,911	25
Washington-Arlington-Alexandria, DC-VA-MD-WV	178	$2,093,165	6,876	26
Atlanta-Sandy Springs-Roswell, GA	168	$2,090,136	6,707	23
Baltimore-Columbia-Towson, MD	103	$2,086,391	6,622	31
Chicago-Naperville-Elgin, IL-IN	206	$1,882,659	7,376	27
San Francisco-Oakland-Fremont, CA	86	$1,622,814	3,738	30
Detroit-Warren-Dearborn, MI	90	$1,260,810	4,296	33
Seattle-Tacoma-Bellevue, WA	115	$1,223,943	3,906	21
Charlotte-Concord-Gastonia, NC-SC	84	$1,163,354	3,921	27

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 97 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 G0105 nationally

Ambulatory Surgical Center accounts for 62% of payment for G0105 nationally in 2024, across 6 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ambulatory Surgical Center	1,419	17%	$65,358,243	62%	142,676	101
Gastroenterology	5,684	67%	$33,011,022	31%	184,702	32
General Surgery	688	8.1%	$2,698,146	2.6%	15,733	23
Colorectal Surgery (Proctology)	366	4.3%	$1,994,378	1.9%	10,977	30
Internal Medicine	314	3.7%	$1,665,043	1.6%	9,332	30
Family Practice	37	0.43%	$124,978	0.12%	683	18

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 2024.

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