	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	25,728	$145,004,470	-9%	1,523,496	36	175	1.82
2023	26,467	$158,694,743	-4% (2023 changed hospital and observation visit codes)	1,645,023	37	188	1.82
2022	27,219	$164,634,257	-11%	1,720,092	38	192	1.82
2021	28,819	$185,242,984	– (Not compared: 2021 changed office visit values)	1,878,796	40	199	1.82
2020	26,970	$155,657,962	first year in data	1,617,070	37	184	1.82

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	1,948	$18,861,230	169,417	46	265
New York	1,745	$16,051,611	139,181	46	231
Florida	1,731	$13,459,647	139,361	48	240
Texas	2,068	$12,584,512	135,095	39	196
New Jersey	904	$7,205,425	64,058	39	205
Illinois	991	$6,278,681	65,383	39	206
Massachusetts	885	$5,559,128	55,649	41	185
Pennsylvania	1,056	$5,248,316	55,153	31	162
Virginia	680	$4,035,642	42,846	41	173
Georgia	641	$3,756,479	41,105	41	178
Ohio	915	$3,556,994	40,987	28	129
Maryland	472	$3,383,637	32,713	46	198
Arizona	512	$3,301,518	35,984	40	214
Washington	611	$3,179,052	34,365	35	162
Michigan	685	$2,881,644	31,958	31	130

Not listed: 4 billers with an armed-forces or unknown state code (AA, 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 2023.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	1,945	$19,357,557	163,878	49
Los Angeles-Long Beach-Anaheim, CA	605	$8,567,283	72,927	51
Chicago-Naperville-Elgin, IL-IN	695	$4,631,603	47,105	39
Boston-Cambridge-Newton, MA-NH	636	$3,852,993	38,177	38
Miami-Fort Lauderdale-West Palm Beach, FL	454	$3,705,721	36,466	42
Dallas-Fort Worth-Arlington, TX	514	$3,390,899	34,944	36
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	524	$3,244,615	31,611	36
Washington-Arlington-Alexandria, DC-VA-MD-WV	357	$2,445,183	23,354	40
Houston-Pasadena-The Woodlands, TX	451	$2,437,785	25,577	34
Phoenix-Mesa-Chandler, AZ	316	$2,106,164	22,588	37
Tampa-St. Petersburg-Clearwater, FL	249	$2,035,442	20,691	48
Atlanta-Sandy Springs-Roswell, GA	347	$2,030,762	21,293	37
San Francisco-Oakland-Fremont, CA	238	$1,909,731	16,064	39
Baltimore-Columbia-Towson, MD	275	$1,779,612	17,316	44
Seattle-Tacoma-Bellevue, WA	263	$1,418,553	14,300	32

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 2023.

Specialties billing 92004 nationally

Ophthalmology accounts for 50% of payment for 92004 nationally in 2023, across 3 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ophthalmology	9,452	36%	$79,748,795	50%	802,451	85
Optometry	16,973	64%	$78,751,188	50%	840,469	50
Physician Assistant	20	0.08%	$55,301	0.03%	764	38

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 2023.

Top billers of 92004 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