	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	522	$15,421,099	96,800	108	630
Florida	542	$12,922,254	94,375	97	552
California	554	$11,587,613	117,674	72	446
New Jersey	238	$6,079,912	38,859	122	470
Texas	468	$4,986,708	39,832	47	262
Pennsylvania	327	$4,803,394	38,054	58	402
Massachusetts	186	$3,082,781	23,683	69	353
Illinois	260	$2,990,876	23,715	57	272
Maryland	138	$2,662,721	17,968	72	387
Georgia	234	$2,205,242	17,308	51	189
Arizona	129	$2,061,013	16,234	75	406
South Carolina	143	$1,800,413	15,107	72	299
Virginia	182	$1,767,882	13,911	47	241
North Carolina	202	$1,725,200	14,313	44	204
Ohio	189	$1,178,415	11,562	40	191

Not listed: 2 billers with an armed-forces or unknown state code (AP, ZZ); 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 2024.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	565	$18,708,684	115,315	135
Los Angeles-Long Beach-Anaheim, CA	195	$5,733,642	73,727	88
Miami-Fort Lauderdale-West Palm Beach, FL	164	$4,224,694	29,547	93
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	191	$4,133,167	31,520	97
Chicago-Naperville-Elgin, IL-IN	219	$2,996,536	23,398	66
Boston-Cambridge-Newton, MA-NH	154	$2,755,986	21,056	70
Houston-Pasadena-The Woodlands, TX	140	$2,070,018	15,228	74
Washington-Arlington-Alexandria, DC-VA-MD-WV	129	$1,787,671	11,784	53
Baltimore-Columbia-Towson, MD	68	$1,622,032	11,072	103
Atlanta-Sandy Springs-Roswell, GA	144	$1,607,592	12,183	59
Tampa-St. Petersburg-Clearwater, FL	83	$1,548,480	11,522	84
Jacksonville, FL	47	$1,419,471	10,528	142
San Diego-Chula Vista-Carlsbad, CA	70	$1,392,072	10,104	83
Phoenix-Mesa-Chandler, AZ	86	$1,330,536	10,266	65
San Francisco-Oakland-Fremont, CA	75	$1,160,636	7,100	57

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 87 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2024.

Specialties billing 31231 nationally

Otolaryngology accounts for 91% of payment for 31231 nationally in 2024, across 7 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Otolaryngology	5,179	80%	$83,639,368	91%	637,406	123
Physician Assistant	737	11%	$4,580,435	5.0%	47,827	65
Nurse Practitioner	396	6.1%	$2,371,326	2.6%	24,103	61
Allergy/ Immunology	40	0.62%	$376,156	0.41%	2,607	65
Ophthalmology	53	0.82%	$239,431	0.26%	2,100	40
Plastic and Reconstructive Surgery	20	0.31%	$173,321	0.19%	1,304	65
Internal Medicine	17	0.26%	$129,874	0.14%	835	49

Not listed: 13 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 2024.

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