	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	2,118	$19,265,460	171,329	44	255
New York	1,915	$16,860,618	143,133	47	218
Texas	2,256	$15,694,778	161,212	42	222
Florida	1,872	$15,657,214	157,463	51	261
New Jersey	926	$7,405,024	64,116	38	210
Illinois	1,058	$7,003,553	71,372	39	224
Pennsylvania	1,164	$6,318,131	62,416	31	168
Massachusetts	938	$6,221,291	60,285	46	174
Virginia	717	$4,694,145	47,778	43	191
Georgia	724	$4,620,336	49,026	43	216
Ohio	994	$4,248,773	47,875	28	141
Maryland	507	$4,183,653	38,790	54	224
Arizona	521	$4,073,982	43,778	51	241
North Carolina	769	$3,781,235	40,771	36	148
Michigan	765	$3,746,757	40,318	34	157

Not listed: 3 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 2021.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	2,057	$19,627,262	162,084	48
Los Angeles-Long Beach-Anaheim, CA	653	$7,552,976	62,804	44
Chicago-Naperville-Elgin, IL-IN	732	$5,138,058	50,468	35
Dallas-Fort Worth-Arlington, TX	550	$4,348,542	42,893	38
Miami-Fort Lauderdale-West Palm Beach, FL	489	$4,303,694	40,918	44
Boston-Cambridge-Newton, MA-NH	664	$4,078,877	39,095	41
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	559	$4,041,718	36,920	37
Washington-Arlington-Alexandria, DC-VA-MD-WV	408	$3,120,691	28,516	44
Houston-Pasadena-The Woodlands, TX	490	$2,858,790	28,575	31
Phoenix-Mesa-Chandler, AZ	313	$2,512,070	26,678	47
Atlanta-Sandy Springs-Roswell, GA	383	$2,353,247	23,822	37
Baltimore-Columbia-Towson, MD	288	$2,130,805	19,803	50
Tampa-St. Petersburg-Clearwater, FL	270	$2,060,529	20,674	47
San Francisco-Oakland-Fremont, CA	248	$2,003,598	16,828	44
Detroit-Warren-Dearborn, MI	292	$1,698,062	17,400	40

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 92004 nationally

Ophthalmology accounts for 51% of payment for 92004 nationally in 2021, across 3 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ophthalmology	10,344	36%	$95,317,362	51%	931,702	90
Optometry	18,439	64%	$89,712,691	48%	944,866	51
Physician Assistant	15	0.05%	$64,677	0.03%	823	55

Not listed: 8 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 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