	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	6,468	$91,885,094	+2%	718,711	54	360	1.10
2023	6,206	$89,697,216	+8%	668,637	53	354	1.10
2022	5,908	$83,358,923	+4%	603,894	52	331	1.10
2021	5,669	$80,380,280	+24%	544,873	49	312	1.10
2020	5,360	$64,591,268	first year in data	455,244	44	272	1.10

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
New York	516	$15,674,368	93,773	107	578
Florida	523	$12,801,502	91,494	92	544
California	539	$10,844,391	103,366	66	425
New Jersey	230	$5,867,348	36,162	118	457
Pennsylvania	317	$4,768,101	36,329	61	384
Texas	448	$4,591,077	33,899	48	231
Illinois	241	$3,016,831	22,580	59	285
Massachusetts	191	$2,977,401	22,143	60	343
Maryland	128	$2,643,145	17,075	70	383
Georgia	229	$2,131,576	16,466	51	184
Arizona	122	$1,991,392	14,822	70	331
South Carolina	138	$1,699,588	13,683	63	299
North Carolina	201	$1,677,733	13,633	41	207
Virginia	170	$1,659,651	12,546	43	235
Colorado	123	$1,176,111	8,615	44	197

Not listed: 2 billers with an armed-forces or unknown state code (AE, AP); 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 2023.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	549	$18,948,504	111,820	139
Los Angeles-Long Beach-Anaheim, CA	200	$5,457,873	67,095	71
Miami-Fort Lauderdale-West Palm Beach, FL	156	$4,223,659	28,831	98
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	183	$3,937,956	29,079	103
Chicago-Naperville-Elgin, IL-IN	200	$2,983,721	21,814	70
Boston-Cambridge-Newton, MA-NH	150	$2,632,022	19,488	67
Houston-Pasadena-The Woodlands, TX	134	$1,876,668	13,413	64
Washington-Arlington-Alexandria, DC-VA-MD-WV	123	$1,736,020	10,743	41
Baltimore-Columbia-Towson, MD	64	$1,624,167	10,652	109
Atlanta-Sandy Springs-Roswell, GA	142	$1,518,500	11,328	53
Tampa-St. Petersburg-Clearwater, FL	72	$1,480,265	10,683	114
Phoenix-Mesa-Chandler, AZ	83	$1,340,313	10,003	69
Jacksonville, FL	45	$1,267,753	9,595	128
San Diego-Chula Vista-Carlsbad, CA	68	$1,239,900	8,369	88
San Francisco-Oakland-Fremont, CA	73	$1,169,447	7,113	65

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 88 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 31231 nationally

Otolaryngology accounts for 92% of payment for 31231 nationally in 2023, across 7 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Otolaryngology	5,090	82%	$82,490,947	92%	604,643	119
Physician Assistant	620	10.0%	$3,820,583	4.3%	35,961	58
Nurse Practitioner	339	5.5%	$2,062,892	2.3%	18,884	56
Allergy/ Immunology	46	0.74%	$432,490	0.48%	2,830	62
Ophthalmology	51	0.82%	$232,890	0.26%	1,989	39
Plastic and Reconstructive Surgery	22	0.35%	$184,099	0.21%	1,333	61
Internal Medicine	15	0.24%	$117,093	0.13%	719	48

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 2023.

Top billers of 31231 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