	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	110,126	$1,192,324,330	+4%	10,108,463	59	277	1.92
2023	105,855	$1,145,168,374	+3%	9,739,340	60	278	1.92
2022	101,394	$1,107,411,151	-3%	9,213,052	59	275	1.92
2021	97,284	$1,137,586,032	+24%	8,795,150	58	273	1.92
2020	91,502	$917,643,170	first year in data	7,968,825	55	266	1.50

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	6,850	$92,558,899	767,658	64	384
California	7,352	$84,351,159	629,311	53	269
Texas	6,797	$75,446,454	601,156	57	272
New York	6,078	$67,953,244	495,906	53	246
Illinois	3,974	$53,225,296	399,417	67	292
Pennsylvania	5,180	$49,743,679	441,960	58	246
North Carolina	3,994	$44,424,038	361,906	60	275
Virginia	2,809	$42,301,588	335,345	82	362
Massachusetts	3,185	$39,985,185	316,233	73	274
New Jersey	3,242	$36,396,016	304,853	63	281
Maryland	2,236	$35,591,044	259,868	85	318
Georgia	2,804	$35,055,455	283,010	63	311
Ohio	4,425	$32,864,355	342,861	56	210
Tennessee	2,548	$29,187,238	256,031	69	284
Arizona	2,199	$27,338,780	221,538	57	318

Not listed: 8 billers with an armed-forces or unknown state code (AA, AE, AP, XX, ZZ); they are in the national totals.

Not listed: 2 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	5,894	$74,340,453	536,184	60
Chicago-Naperville-Elgin, IL-IN	3,385	$47,136,627	350,805	71
Boston-Cambridge-Newton, MA-NH	2,202	$26,826,842	209,099	69
Washington-Arlington-Alexandria, DC-VA-MD-WV	1,833	$26,513,102	187,825	72
Los Angeles-Long Beach-Anaheim, CA	2,580	$26,382,244	198,693	46
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	2,375	$21,960,549	218,529	61
Dallas-Fort Worth-Arlington, TX	1,981	$20,457,858	162,216	55
Miami-Fort Lauderdale-West Palm Beach, FL	1,696	$19,316,227	153,726	47
Baltimore-Columbia-Towson, MD	1,139	$16,793,959	123,465	79
Atlanta-Sandy Springs-Roswell, GA	1,480	$16,790,159	131,521	58
Phoenix-Mesa-Chandler, AZ	1,451	$16,657,574	134,591	51
Detroit-Warren-Dearborn, MI	1,944	$14,548,910	133,750	51
Houston-Pasadena-The Woodlands, TX	1,451	$13,988,630	107,296	49
Seattle-Tacoma-Bellevue, WA	1,426	$13,365,657	97,179	49
St. Louis, MO-IL	925	$11,347,643	90,004	66

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 G0439 nationally

Internal Medicine accounts for 44% of payment for G0439 nationally in 2022, across 28 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Internal Medicine	30,965	31%	$483,259,515	44%	3,875,115	125
Family Practice	40,801	40%	$456,016,697	41%	3,783,015	93
Nurse Practitioner	18,889	19%	$97,814,798	8.8%	943,535	50
Physician Assistant	6,999	6.9%	$34,898,028	3.2%	336,012	48
General Practice	910	0.90%	$9,213,463	0.83%	71,275	78
Geriatric Medicine	515	0.51%	$5,894,324	0.53%	47,797	93
Cardiology	225	0.22%	$2,847,794	0.26%	19,699	88
Pediatric Medicine	267	0.26%	$2,418,456	0.22%	20,091	75
Emergency Medicine	231	0.23%	$2,195,632	0.20%	17,789	77
Hospitalist	240	0.24%	$2,132,327	0.19%	17,280	72
Obstetrics & Gynecology	386	0.38%	$2,028,050	0.18%	15,140	39
Nephrology	139	0.14%	$1,493,188	0.13%	10,936	79
Pulmonary Disease	132	0.13%	$1,301,201	0.12%	9,738	74
Gastroenterology	86	0.08%	$806,244	0.07%	5,490	64
Infectious Disease	85	0.08%	$750,792	0.07%	5,861	69

Not listed: 31 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 G0439 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