	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	8,146	$31,888,068	-5%	532,566	44	188	1.00
2023	8,499	$33,426,201	-2%	542,261	43	182	1.00
2022	8,756	$34,127,412	-3%	547,150	42	177	1.00
2021	8,939	$35,337,076	-0%	552,230	41	179	1.00
2020	8,999	$35,353,234	first year in data	545,816	40	174	1.00

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
Florida	595	$4,406,449	57,592	60	277
California	734	$4,106,852	55,864	47	242
New York	552	$2,688,074	33,241	44	154
Texas	524	$1,797,292	32,958	45	179
Maryland	162	$1,727,446	17,035	73	283
New Jersey	270	$1,331,544	15,223	45	137
North Carolina	342	$1,311,963	21,117	47	165
Virginia	244	$1,220,902	19,790	63	207
Illinois	381	$1,157,876	25,244	50	159
Pennsylvania	392	$1,136,707	26,224	51	169
Arizona	128	$1,099,318	12,980	70	299
Georgia	254	$862,990	15,758	43	148
Tennessee	230	$806,353	15,695	39	208
Washington	168	$772,171	11,860	52	169
Massachusetts	276	$685,516	14,524	41	136

Not listed: 3 billers with an armed-forces or unknown state code (AA, AP); they are in the national totals.

Not listed: 2 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	545	$3,024,604	35,866	48
Los Angeles-Long Beach-Anaheim, CA	237	$1,742,712	22,948	60
Washington-Arlington-Alexandria, DC-VA-MD-WV	140	$1,487,687	15,966	97
Baltimore-Columbia-Towson, MD	96	$1,124,000	10,814	94
Chicago-Naperville-Elgin, IL-IN	284	$978,301	21,025	63
Miami-Fort Lauderdale-West Palm Beach, FL	147	$873,653	13,849	60
Phoenix-Mesa-Chandler, AZ	82	$859,246	9,564	76
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	204	$855,410	15,142	54
Tampa-St. Petersburg-Clearwater, FL	100	$803,325	10,729	78
Orlando-Kissimmee-Sanford, FL	63	$685,694	8,257	87
Atlanta-Sandy Springs-Roswell, GA	137	$613,320	9,938	53
Boston-Cambridge-Newton, MA-NH	204	$528,298	10,960	41
Dallas-Fort Worth-Arlington, TX	138	$514,077	9,269	52
Seattle-Tacoma-Bellevue, WA	100	$467,893	7,633	58
Houston-Pasadena-The Woodlands, TX	137	$466,308	10,829	74

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 90 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 77066 nationally

Diagnostic Radiology accounts for 92% of payment for 77066 nationally in 2023, across 8 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Diagnostic Radiology	8,073	95%	$30,810,602	92%	514,061	64
Independent Diagnostic Testing Facility (IDTF)	163	1.9%	$1,141,736	3.4%	11,412	70
General Surgery	32	0.38%	$533,808	1.6%	5,271	165
Interventional Radiology	91	1.1%	$260,175	0.78%	4,300	47
Obstetrics & Gynecology	46	0.54%	$93,166	0.28%	1,128	25
Internal Medicine	14	0.16%	$51,309	0.15%	631	45
Hematology-Oncology	12	0.14%	$46,361	0.14%	450	38
Family Practice	20	0.24%	$38,564	0.12%	513	26

Not listed: 18 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 77066 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