	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	2,003	$24,051,231	+21%	127,353	35	205	3.84
2023	1,784	$19,918,456	+15%	104,868	33	181	3.84
2022	1,627	$17,328,931	+18%	88,918	31	166	3.80
2021	1,376	$14,679,529	+84%	73,052	30	172	3.80
2020	839	$7,967,322	first year in data	43,261	30	161	3.44

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	184	$2,626,963	12,130	36	249
Florida	128	$1,688,528	8,039	33	213
Texas	129	$1,304,732	6,552	28	175
New York	103	$1,241,700	5,168	35	132
Michigan	52	$600,550	3,162	30	195
New Jersey	60	$584,031	2,513	28	122
Arizona	49	$438,014	2,255	27	136
Maryland	52	$434,360	2,097	27	123
Colorado	47	$402,092	2,089	42	92
Virginia	30	$390,718	2,146	47	223
Illinois	33	$345,785	1,666	22	170
Tennessee	25	$341,229	1,909	44	209
North Carolina	37	$333,334	1,725	26	142
Pennsylvania	42	$324,166	1,597	23	97
Kansas	23	$310,275	1,720	35	205

Not listed: 19 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
Los Angeles-Long Beach-Anaheim, CA	110	$1,624,451	7,597	42
New York-Newark-Jersey City, NY-NJ	128	$1,476,013	6,089	34
Washington-Arlington-Alexandria, DC-VA-MD-WV	50	$619,814	2,856	29
Miami-Fort Lauderdale-West Palm Beach, FL	50	$585,801	2,692	31
Dallas-Fort Worth-Arlington, TX	40	$409,858	2,081	27
Detroit-Warren-Dearborn, MI	26	$379,760	1,929	34
Chicago-Naperville-Elgin, IL-IN	38	$376,352	1,884	29
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	41	$356,086	1,713	23
Denver-Aurora-Centennial, CO	40	$337,674	1,756	42
Phoenix-Mesa-Chandler, AZ	39	$323,443	1,700	27
Houston-Pasadena-The Woodlands, TX	34	$320,531	1,527	24
Las Vegas-Henderson-North Las Vegas, NV	30	$293,488	1,443	28
Tampa-St. Petersburg-Clearwater, FL	19	$270,009	1,318	36
Kansas City, MO-KS	14	$265,068	1,435	61
Baltimore-Columbia-Towson, MD	22	$222,957	1,194	25

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 22 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 99483 nationally

Internal Medicine accounts for 24% of payment for 99483 nationally in 2021, across 9 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Internal Medicine	324	24%	$3,491,642	24%	16,330	50
Nurse Practitioner	392	28%	$3,487,314	24%	19,749	50
Neurology	268	19%	$3,157,043	22%	15,003	56
Family Practice	171	12%	$1,923,210	13%	9,364	55
Geriatric Medicine	84	6.1%	$810,409	5.5%	4,094	49
General Practice	28	2.0%	$495,047	3.4%	2,219	79
Psychiatry	19	1.4%	$463,056	3.2%	2,041	107
Physician Assistant	45	3.3%	$392,989	2.7%	2,202	49
Cardiology	12	0.87%	$149,904	1.0%	607	51

Not listed: 17 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 99483 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