	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	7,207	$96,319,523	812,209	64	385
California	7,798	$92,762,146	707,776	57	280
Texas	7,114	$75,498,969	616,799	56	265
New York	6,290	$70,245,226	522,184	54	254
Illinois	4,033	$54,824,875	421,138	71	309
Pennsylvania	5,246	$50,094,294	461,555	61	251
North Carolina	4,156	$43,588,795	366,589	58	271
Virginia	2,957	$43,485,758	353,463	81	364
Massachusetts	3,345	$39,854,510	327,128	69	272
New Jersey	3,374	$38,731,626	330,623	66	290
Maryland	2,316	$37,167,106	279,534	88	331
Georgia	2,895	$35,975,793	296,258	65	320
Ohio	4,716	$34,853,969	367,375	56	209
Tennessee	2,653	$29,728,852	264,684	68	276
Arizona	2,360	$28,961,478	240,268	59	317

Not listed: 12 billers with an armed-forces or unknown state code (AE, AP, XX, ZZ); they are in the national totals.

Not listed: 1 state 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 2023.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	6,062	$76,925,600	570,686	62
Chicago-Naperville-Elgin, IL-IN	3,481	$49,512,364	377,535	75
Los Angeles-Long Beach-Anaheim, CA	2,733	$27,886,925	216,743	47
Washington-Arlington-Alexandria, DC-VA-MD-WV	1,938	$27,167,995	198,481	71
Boston-Cambridge-Newton, MA-NH	2,295	$26,380,881	213,523	66
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	2,529	$23,632,979	242,062	64
Dallas-Fort Worth-Arlington, TX	2,100	$20,443,154	166,871	51
Miami-Fort Lauderdale-West Palm Beach, FL	1,726	$19,074,739	156,633	46
Baltimore-Columbia-Towson, MD	1,194	$18,050,770	136,384	83
Phoenix-Mesa-Chandler, AZ	1,602	$17,765,622	147,359	51
Atlanta-Sandy Springs-Roswell, GA	1,549	$17,563,536	141,016	60
Detroit-Warren-Dearborn, MI	1,999	$14,706,068	139,660	51
Houston-Pasadena-The Woodlands, TX	1,520	$14,441,019	114,076	50
Seattle-Tacoma-Bellevue, WA	1,432	$13,479,648	100,307	52
San Francisco-Oakland-Fremont, CA	955	$12,016,637	88,884	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 2023.

Specialties billing G0439 nationally

Internal Medicine accounts for 42% of payment for G0439 nationally in 2023, across 28 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Internal Medicine	31,150	29%	$486,041,505	42%	3,978,766	128
Family Practice	41,794	39%	$474,433,905	41%	4,010,964	96
Nurse Practitioner	21,417	20%	$110,277,419	9.6%	1,083,505	51
Physician Assistant	7,765	7.3%	$38,905,336	3.4%	382,891	49
General Practice	892	0.84%	$9,429,841	0.82%	74,210	83
Geriatric Medicine	533	0.50%	$6,142,025	0.54%	51,419	96
Cardiology	214	0.20%	$2,606,359	0.23%	18,413	86
Pediatric Medicine	278	0.26%	$2,515,168	0.22%	21,299	77
Hospitalist	301	0.28%	$2,483,604	0.22%	20,912	69
Emergency Medicine	255	0.24%	$2,061,834	0.18%	17,156	67
Obstetrics & Gynecology	321	0.30%	$1,644,514	0.14%	12,420	39
Nephrology	133	0.13%	$1,568,402	0.14%	11,604	87
Pulmonary Disease	127	0.12%	$1,300,045	0.11%	9,762	77
Osteopathic Manipulative Medicine	88	0.08%	$803,552	0.07%	6,508	74
Infectious Disease	94	0.09%	$747,898	0.07%	5,929	63

Not listed: 29 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 2023.

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