	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	4,540	$38,348,025	-4%	639,021	110	331	1.15
2023	4,463	$39,931,914	-5%	660,182	120	342	1.15
2022	4,472	$42,120,887	-9%	691,484	125	368	1.15
2021	4,435	$46,372,820	-6%	747,660	138	396	1.15
2020	4,384	$49,084,694	first year in data	775,600	144	424	1.15

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	416	$4,382,516	62,033	124	334
Florida	349	$4,360,179	56,841	123	390
Texas	287	$2,824,877	40,386	118	306
New York	295	$2,245,980	36,068	96	272
Pennsylvania	243	$1,541,591	28,828	104	279
Illinois	177	$1,465,173	26,560	138	331
Virginia	89	$1,306,084	23,046	198	593
Ohio	190	$1,289,087	24,639	114	288
Massachusetts	142	$1,199,980	22,041	126	398
North Carolina	148	$1,199,222	22,055	135	321
Arizona	109	$1,108,886	14,703	114	266
New Jersey	104	$1,036,991	17,423	130	465
Washington	116	$1,008,851	16,300	114	327
Maryland	84	$980,989	15,778	168	445
Georgia	125	$958,347	17,167	107	386

Not listed: 4 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	275	$2,410,039	37,856	104
Los Angeles-Long Beach-Anaheim, CA	142	$1,237,958	19,182	114
Chicago-Naperville-Elgin, IL-IN	134	$1,145,113	20,546	146
Boston-Cambridge-Newton, MA-NH	119	$961,732	17,964	115
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	133	$846,781	16,342	104
Phoenix-Mesa-Chandler, AZ	82	$825,515	10,948	114
Miami-Fort Lauderdale-West Palm Beach, FL	80	$797,969	11,094	89
Houston-Pasadena-The Woodlands, TX	119	$791,677	14,945	103
Washington-Arlington-Alexandria, DC-VA-MD-WV	62	$758,534	11,534	147
Dallas-Fort Worth-Arlington, TX	59	$714,481	8,629	134
San Francisco-Oakland-Fremont, CA	55	$622,100	8,895	132
Baltimore-Columbia-Towson, MD	53	$611,493	10,475	187
Virginia Beach-Chesapeake-Norfolk, VA-NC	20	$534,658	9,288	224
Jacksonville, FL	44	$526,269	7,087	113
Orlando-Kissimmee-Sanford, FL	50	$512,980	7,556	136

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 71 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 77334 nationally

Radiation Oncology accounts for 96% of payment for 77334 nationally in 2023, across 4 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Radiation Oncology	4,272	96%	$38,528,611	96%	640,519	150
Dermatology	105	2.4%	$583,503	1.5%	6,067	58
Radiation Therapy Center	22	0.49%	$353,584	0.89%	6,326	288
Diagnostic Radiology	31	0.69%	$244,770	0.61%	4,006	129

Not listed: 12 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 77334 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