	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	509	$14,337,954	77,433	88	473
Florida	471	$10,985,085	73,081	75	537
California	471	$8,823,160	70,181	61	373
New Jersey	211	$5,075,334	28,387	101	366
Texas	417	$4,260,714	28,963	44	202
Pennsylvania	283	$4,136,385	29,305	56	364
Illinois	208	$2,639,543	18,796	57	287
Massachusetts	174	$2,617,107	18,152	52	322
Maryland	121	$2,511,211	15,040	75	368
Georgia	207	$2,082,204	14,776	48	188
North Carolina	186	$1,714,667	13,004	40	206
Virginia	159	$1,696,979	11,742	40	242
Arizona	109	$1,669,312	11,599	69	287
South Carolina	123	$1,494,104	11,218	60	296
Connecticut	80	$1,114,470	6,592	56	226

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 2021.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	535	$17,038,575	90,787	114
Los Angeles-Long Beach-Anaheim, CA	177	$4,092,140	40,706	68
Miami-Fort Lauderdale-West Palm Beach, FL	145	$3,566,987	22,623	75
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	159	$3,392,525	23,360	96
Chicago-Naperville-Elgin, IL-IN	174	$2,610,259	18,292	61
Boston-Cambridge-Newton, MA-NH	136	$2,268,406	15,750	62
Houston-Pasadena-The Woodlands, TX	123	$1,635,784	10,554	52
Washington-Arlington-Alexandria, DC-VA-MD-WV	112	$1,628,233	9,161	38
Baltimore-Columbia-Towson, MD	60	$1,559,573	9,550	118
Atlanta-Sandy Springs-Roswell, GA	133	$1,453,079	9,961	49
Tampa-St. Petersburg-Clearwater, FL	73	$1,194,904	8,216	75
Phoenix-Mesa-Chandler, AZ	74	$1,073,923	7,506	66
Jacksonville, FL	41	$1,073,603	7,462	92
San Diego-Chula Vista-Carlsbad, CA	57	$1,054,992	6,213	74
San Francisco-Oakland-Fremont, CA	68	$982,742	5,691	59

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 85 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2021.

Specialties billing 31231 nationally

Otolaryngology accounts for 94% of payment for 31231 nationally in 2021, across 7 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Otolaryngology	4,919	87%	$75,584,270	94%	504,660	103
Physician Assistant	386	6.8%	$2,313,483	2.9%	22,110	57
Nurse Practitioner	218	3.8%	$1,263,405	1.6%	10,353	47
Ophthalmology	50	0.88%	$344,762	0.43%	2,478	50
Allergy/ Immunology	35	0.62%	$299,154	0.37%	1,782	51
Plastic and Reconstructive Surgery	17	0.30%	$144,823	0.18%	995	59
Internal Medicine	14	0.25%	$135,525	0.17%	746	53

Not listed: 10 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 2021.

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