	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	18,207	$58,418,858	+8%	414,897	18	49	2.78
2023	17,150	$54,248,752	+7%	389,596	18	48	2.78
2022	15,780	$50,651,045	-9%	356,177	18	48	2.78
2021	16,029	$55,571,335	+18%	366,962	18	49	2.78
2020	15,204	$47,155,507	first year in data	345,557	18	49	2.36

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	1,566	$6,349,929	42,319	20	64
Pennsylvania	1,530	$5,361,615	34,824	19	45
New York	834	$3,137,749	18,836	17	50
Illinois	725	$2,801,742	17,644	20	51
California	675	$2,659,617	16,028	18	54
Virginia	603	$2,196,255	14,886	20	56
Texas	701	$2,166,976	14,829	17	42
New Jersey	567	$2,100,269	12,232	18	45
North Carolina	537	$1,826,436	12,265	18	47
Maryland	469	$1,717,362	10,184	18	44
Massachusetts	504	$1,702,738	10,616	17	43
Ohio	603	$1,675,556	12,151	17	40
Michigan	439	$1,355,001	9,217	17	43
Georgia	364	$1,235,375	8,234	18	51
Kentucky	340	$1,152,409	7,923	19	50

Not listed: 2 billers with an armed-forces or unknown state code (AP, XX); 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	754	$3,185,753	17,663	18
Chicago-Naperville-Elgin, IL-IN	543	$2,148,191	13,298	20
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	550	$1,907,544	12,027	19
Boston-Cambridge-Newton, MA-NH	356	$1,279,199	7,722	17
Miami-Fort Lauderdale-West Palm Beach, FL	228	$1,056,317	6,974	20
Allentown-Bethlehem-Easton, PA-NJ	232	$920,441	5,960	21
Baltimore-Columbia-Towson, MD	233	$852,443	4,974	18
Washington-Arlington-Alexandria, DC-VA-MD-WV	235	$804,228	4,779	17
Los Angeles-Long Beach-Anaheim, CA	147	$750,560	4,460	18
Cape Coral-Fort Myers, FL	159	$724,613	4,792	23
Tampa-St. Petersburg-Clearwater, FL	204	$702,834	4,726	17
Detroit-Warren-Dearborn, MI	207	$663,367	4,290	17
Kansas City, MO-KS	190	$650,960	4,322	19
Orlando-Kissimmee-Sanford, FL	141	$602,678	4,094	20
St. Louis, MO-IL	158	$584,209	3,728	21

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 99495 nationally

Internal Medicine accounts for 43% of payment for 99495 nationally in 2021, across 18 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Internal Medicine	6,146	38%	$23,644,428	43%	150,844	25
Family Practice	6,335	40%	$21,140,259	38%	138,635	22
Nurse Practitioner	1,929	12%	$5,497,900	9.9%	42,141	22
Physician Assistant	653	4.1%	$1,693,791	3.0%	13,102	20
Cardiology	274	1.7%	$1,080,678	1.9%	6,527	24
Geriatric Medicine	117	0.73%	$417,894	0.75%	2,807	24
Infectious Disease	64	0.40%	$333,094	0.60%	2,030	32
Nephrology	96	0.60%	$318,382	0.57%	1,960	20
General Practice	85	0.53%	$305,955	0.55%	1,877	22
Pulmonary Disease	59	0.37%	$204,266	0.37%	1,205	20
Hospitalist	41	0.26%	$156,833	0.28%	1,028	25
Interventional Cardiology	47	0.29%	$148,590	0.27%	917	20
Clinical Cardiac Electrophysiology	13	0.08%	$93,542	0.17%	578	44
Emergency Medicine	27	0.17%	$81,745	0.15%	537	20
Hematology-Oncology	16	0.10%	$59,913	0.11%	334	21

Not listed: 23 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 99495 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