	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	493	$11,081,973	63,332	73	406
Florida	446	$9,626,992	66,315	76	551
California	445	$6,808,208	53,906	53	366
New Jersey	218	$3,835,665	22,710	73	309
Texas	399	$3,357,516	24,072	37	174
Pennsylvania	273	$3,308,753	24,460	48	281
Illinois	191	$1,948,004	14,638	43	276
Massachusetts	166	$1,928,049	13,783	47	239
Maryland	119	$1,897,004	12,026	56	322
Georgia	203	$1,872,838	13,778	44	175
Arizona	115	$1,467,458	10,635	59	302
North Carolina	174	$1,378,814	11,067	41	183
Virginia	147	$1,371,824	9,802	37	200
South Carolina	111	$1,229,169	9,565	60	257
Connecticut	79	$900,316	5,564	46	189

Not listed: 1 billers with an armed-forces or unknown state code (AP); they are in the national totals.

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 2020.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	536	$13,262,493	74,968	97
Los Angeles-Long Beach-Anaheim, CA	165	$3,150,874	29,967	61
Miami-Fort Lauderdale-West Palm Beach, FL	128	$3,118,324	20,413	85
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	159	$2,499,240	17,943	69
Chicago-Naperville-Elgin, IL-IN	155	$2,155,971	15,747	48
Boston-Cambridge-Newton, MA-NH	130	$1,654,876	11,846	58
Atlanta-Sandy Springs-Roswell, GA	130	$1,326,873	9,504	47
Baltimore-Columbia-Towson, MD	60	$1,231,019	7,947	102
Washington-Arlington-Alexandria, DC-VA-MD-WV	109	$1,224,787	7,249	33
Houston-Pasadena-The Woodlands, TX	116	$1,201,745	8,148	40
Tampa-St. Petersburg-Clearwater, FL	73	$974,229	7,022	53
Jacksonville, FL	41	$917,111	6,600	63
Phoenix-Mesa-Chandler, AZ	74	$791,564	5,763	50
San Diego-Chula Vista-Carlsbad, CA	52	$730,080	4,686	62
San Francisco-Oakland-Fremont, CA	61	$683,129	4,180	44

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 81 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 31231 nationally

Otolaryngology accounts for 94% of payment for 31231 nationally in 2020, across 7 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Otolaryngology	4,732	88%	$60,938,378	94%	423,517	90
Physician Assistant	296	5.5%	$1,490,861	2.3%	14,987	51
Nurse Practitioner	190	3.5%	$1,040,734	1.6%	9,253	49
Ophthalmology	45	0.84%	$307,191	0.48%	2,327	52
Allergy/ Immunology	37	0.69%	$261,753	0.41%	1,638	44
Internal Medicine	18	0.34%	$164,025	0.25%	988	55
Plastic and Reconstructive Surgery	11	0.21%	$96,848	0.15%	681	62

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 2020.

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