	observed	calculated	calculated	calculated	calculated	calculated
2024	1,746	$20,307,266	-24%	381,211	105	724
2023	1,852	$26,860,409	-17% (2023 changed hospital and observation visit codes)	515,142	126	914
2022	1,925	$32,433,225	-28%	638,418	150	1,110
2021	1,978	$45,215,725	– (Not compared: 2021 changed office visit values)	833,180	169	1,393
2020	2,287	$78,218,831	first year in data	1,322,264	175	2,635

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
Illinois	131	$3,228,135	58,604	140	1,153
New York	187	$1,876,593	35,519	117	619
California	180	$1,645,755	47,792	78	595
Massachusetts	77	$1,513,473	27,855	245	1,309
Texas	131	$1,281,813	23,555	88	726
North Carolina	86	$1,148,369	21,468	144	827
Tennessee	67	$1,144,138	21,741	139	1,060
South Carolina	43	$1,123,184	20,554	201	1,589
Virginia	56	$1,116,408	20,312	173	1,185
Wisconsin	70	$1,017,323	19,068	105	834
Alabama	41	$1,004,645	18,705	405	1,155
Missouri	37	$807,935	14,687	168	1,406
New Jersey	55	$782,539	14,285	79	1,365
Minnesota	44	$745,607	13,814	224	662
Oklahoma	31	$727,740	13,371	334	1,098

Not listed: 1 billers with an armed-forces or unknown state code (AE); they are in the national totals.

Not listed: 17 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
Chicago-Naperville-Elgin, IL-IN	105	$2,880,709	52,175	148
New York-Newark-Jersey City, NY-NJ	163	$1,823,546	33,449	97
Boston-Cambridge-Newton, MA-NH	53	$1,046,748	19,321	232
Los Angeles-Long Beach-Anaheim, CA	88	$981,105	35,734	78
Columbia, SC	11	$631,406	11,311	1,530
Virginia Beach-Chesapeake-Norfolk, VA-NC	13	$575,978	10,307	377
Minneapolis-St. Paul-Bloomington, MN-WI	31	$552,483	10,271	269
Washington-Arlington-Alexandria, DC-VA-MD-WV	47	$538,321	9,831	91
Birmingham, AL	18	$511,607	9,448	395
Oklahoma City, OK	20	$482,685	8,775	321
Atlanta-Sandy Springs-Roswell, GA	40	$374,183	6,947	122
Memphis, TN-MS-AR	13	$350,894	6,594	254
St. Louis, MO-IL	21	$334,818	6,194	170
Milwaukee-Waukesha, WI	27	$306,020	5,897	94
Austin-Round Rock-San Marcos, TX	22	$292,101	5,243	112

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 39 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 J9035 nationally

Ophthalmology accounts for 90% of payment for J9035 nationally in 2023, across 3 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ophthalmology	1,818	98%	$24,060,333	90%	446,483	246
Hematology-Oncology	11	0.59%	$1,144,576	4.3%	37,871	3,443
Ambulatory Surgical Center	12	0.65%	$171,591	0.64%	3,286	274

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 2023.

Top billers of J9035 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