	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	15,527	$1,607,135,368	+2%	6,680,450	101	2,250	7.35
2023	15,965	$1,574,488,007	+2%	7,103,624	101	2,297	7.35
2022	16,070	$1,549,042,104	-2%	7,285,377	102	2,384	7.35
2021	16,131	$1,573,931,045	+20%	7,363,296	104	2,388	7.35
2020	15,059	$1,307,633,532	first year in data	5,896,885	92	2,072	7.35

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
California	1,237	$140,307,613	214,340	90	615
Florida	941	$119,437,931	218,771	101	989
Texas	965	$113,606,951	207,151	98	793
New York	683	$67,050,484	178,323	83	1,302
Pennsylvania	667	$62,094,769	123,548	85	603
Illinois	590	$57,563,523	793,903	347	5,126
Ohio	549	$53,713,435	459,068	249	3,145
New Jersey	378	$48,972,265	75,345	93	591
Virginia	375	$47,986,620	386,502	246	4,145
Massachusetts	314	$45,101,980	214,342	154	3,401
Georgia	439	$43,989,760	312,309	220	3,228
Washington	493	$43,964,999	81,503	51	811
North Carolina	592	$42,868,175	641,348	225	4,552
Arizona	252	$42,727,708	73,612	158	1,036
Maryland	253	$42,455,640	71,768	138	1,166

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 2021.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	744	$80,068,137	151,452	74
Los Angeles-Long Beach-Anaheim, CA	435	$41,618,132	64,693	77
Chicago-Naperville-Elgin, IL-IN	371	$40,157,920	229,512	153
Dallas-Fort Worth-Arlington, TX	241	$33,890,020	58,047	110
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	290	$33,596,956	56,476	90
Washington-Arlington-Alexandria, DC-VA-MD-WV	216	$31,067,296	67,298	111
Phoenix-Mesa-Chandler, AZ	150	$27,751,356	47,531	149
Boston-Cambridge-Newton, MA-NH	210	$27,547,431	98,947	121
Atlanta-Sandy Springs-Roswell, GA	219	$21,517,612	104,614	172
Miami-Fort Lauderdale-West Palm Beach, FL	232	$21,300,230	39,943	73
Houston-Pasadena-The Woodlands, TX	194	$21,255,743	36,971	90
Baltimore-Columbia-Towson, MD	124	$18,626,613	30,694	126
Seattle-Tacoma-Bellevue, WA	174	$18,606,320	30,723	68
Detroit-Warren-Dearborn, MI	188	$16,556,291	29,582	82
Tampa-St. Petersburg-Clearwater, FL	106	$15,329,907	30,249	149

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 2021.

Specialties billing 66984 nationally

Ophthalmology accounts for 39% of payment for 66984 nationally in 2021, across 2 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ophthalmology	8,828	55%	$620,391,227	39%	1,899,328	215
Optometry	5,459	34%	$15,961,241	1.0%	4,277,144	784

Not listed: 7 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 66984 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