	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	15,851	$61,985,969	-6%	410,373	17	60	2.60
2023	17,441	$66,078,763	-10%	435,826	17	61	2.60
2022	18,306	$73,077,051	-21%	471,824	18	64	2.60
2021	20,800	$92,063,682	-7%	563,701	19	68	2.60
2020	20,871	$99,114,878	first year in data	591,568	19	76	2.43

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	1,205	$7,565,266	41,645	21	111
Pennsylvania	1,369	$6,744,782	39,877	19	83
Florida	1,220	$6,523,632	38,620	21	84
New York	1,222	$6,148,730	33,153	19	69
Illinois	1,121	$5,703,977	33,040	20	77
Ohio	994	$5,023,345	31,475	20	87
Texas	1,084	$4,941,685	30,025	18	64
North Carolina	743	$3,230,045	20,126	18	73
Maryland	622	$3,148,660	17,647	22	67
Virginia	719	$3,122,383	18,383	20	55
Indiana	710	$3,005,406	19,212	19	69
South Carolina	577	$2,853,255	17,831	22	85
New Jersey	541	$2,851,942	15,294	18	82
Georgia	570	$2,796,109	17,310	21	76
Michigan	623	$2,662,416	16,034	17	74

Not listed: 2 billers with an armed-forces or unknown state code (AE, 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 2020.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	1,044	$5,994,349	30,768	19
Chicago-Naperville-Elgin, IL-IN	1,013	$4,924,745	28,437	20
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	569	$2,695,782	15,083	18
Los Angeles-Long Beach-Anaheim, CA	401	$2,412,917	13,169	20
Baltimore-Columbia-Towson, MD	317	$1,624,733	9,085	22
Atlanta-Sandy Springs-Roswell, GA	272	$1,575,206	9,587	24
Washington-Arlington-Alexandria, DC-VA-MD-WV	339	$1,559,292	8,467	19
Minneapolis-St. Paul-Bloomington, MN-WI	387	$1,294,231	7,664	16
Detroit-Warren-Dearborn, MI	307	$1,289,559	7,613	17
Cincinnati, OH-KY-IN	289	$1,270,143	7,796	20
Allentown-Bethlehem-Easton, PA-NJ	171	$1,265,266	7,454	36
St. Louis, MO-IL	232	$1,183,068	7,231	21
Miami-Fort Lauderdale-West Palm Beach, FL	261	$1,148,548	6,573	19
Virginia Beach-Chesapeake-Norfolk, VA-NC	236	$1,102,619	6,544	22
Cleveland, OH	181	$1,043,443	6,688	17

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 2020.

Specialties billing G0438 nationally

Family Practice accounts for 43% of payment for G0438 nationally in 2020, across 16 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Family Practice	9,314	45%	$42,598,449	43%	250,613	27
Internal Medicine	7,489	36%	$38,611,657	39%	221,537	30
Nurse Practitioner	2,672	13%	$11,584,834	12%	80,419	30
Physician Assistant	743	3.6%	$2,501,480	2.5%	17,348	23
General Practice	170	0.81%	$900,631	0.91%	5,195	31
Geriatric Medicine	78	0.37%	$570,015	0.58%	3,210	41
Cardiology	52	0.25%	$343,989	0.35%	1,869	36
Emergency Medicine	49	0.23%	$309,109	0.31%	1,812	37
Obstetrics & Gynecology	51	0.24%	$221,081	0.22%	1,238	24
Hospitalist	40	0.19%	$193,206	0.19%	1,112	28
Nephrology	22	0.11%	$182,977	0.18%	979	45
Pediatric Medicine	43	0.21%	$171,648	0.17%	1,026	24
Pulmonary Disease	19	0.09%	$144,324	0.15%	824	43
Osteopathic Manipulative Medicine	15	0.07%	$77,339	0.08%	440	29
Infectious Disease	13	0.06%	$74,680	0.08%	429	33

Not listed: 26 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 G0438 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