	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	2,003	$73,995,097	+69%	1,389,391	100	2,448	1.00
2023	1,836	$43,763,973	+100%	858,274	88	1,622	1.00
2022	1,283	$21,925,701	+215%	414,743	68	1,007	1.00
2021	1,039	$6,958,102	+26%	205,923	58	661	0.50
2020	935	$5,528,321	first year in data	161,984	58	641	0.50

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
Texas	99	$5,007,589	95,340	59	3,251
New Jersey	41	$3,492,638	58,243	73	6,366
California	78	$2,591,319	45,731	88	1,676
Florida	151	$1,688,085	32,987	69	716
South Carolina	100	$1,602,735	35,518	182	1,073
Pennsylvania	63	$898,697	16,430	78	394
North Carolina	122	$809,905	15,578	56	309
Michigan	59	$771,135	15,762	70	213
Georgia	51	$630,005	11,988	88	838
Illinois	19	$611,619	11,843	118	2,497
New York	50	$528,229	9,676	59	854
Maryland	21	$427,162	8,469	58	2,302
Idaho	13	$300,895	6,867	96	1,908
Nevada	22	$282,555	5,660	78	1,356
Indiana	13	$231,305	4,546	98	1,563

Not listed: 1 billers with an armed-forces or unknown state code (ZZ); 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 2022.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	66	$3,154,776	52,876	60
Columbia, SC	81	$1,453,071	32,432	245
Houston-Pasadena-The Woodlands, TX	23	$1,340,423	24,910	51
Dallas-Fort Worth-Arlington, TX	26	$992,807	18,911	77
Los Angeles-Long Beach-Anaheim, CA	34	$860,771	14,336	85
Chicago-Naperville-Elgin, IL-IN	19	$625,416	12,118	118
Detroit-Warren-Dearborn, MI	23	$510,736	9,668	78
Tampa-St. Petersburg-Clearwater, FL	47	$437,878	8,247	48
Atlanta-Sandy Springs-Roswell, GA	21	$433,469	7,939	131
Miami-Fort Lauderdale-West Palm Beach, FL	25	$390,398	7,346	53
Orlando-Kissimmee-Sanford, FL	18	$386,356	7,819	316
Greensboro-High Point, NC	53	$352,628	6,767	64
Baltimore-Columbia-Towson, MD	11	$307,387	5,977	94
Boise City, ID	11	$290,151	6,663	96
Washington-Arlington-Alexandria, DC-VA-MD-WV	18	$228,242	4,416	70

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 32 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2022.

Specialties billing 99489 nationally

Internal Medicine accounts for 40% of payment for 99489 nationally in 2022, across 9 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Internal Medicine	328	26%	$8,663,150	40%	156,193	476
Family Practice	324	25%	$3,324,734	15%	64,347	199
Nurse Practitioner	333	26%	$3,298,475	15%	73,251	220
Geriatric Medicine	14	1.1%	$851,194	3.9%	14,322	1,023
Cardiology	17	1.3%	$482,688	2.2%	8,893	523
General Practice	20	1.6%	$444,375	2.0%	8,089	404
Gastroenterology	120	9.4%	$303,170	1.4%	5,915	49
Physician Assistant	36	2.8%	$287,782	1.3%	6,004	167
Nephrology	14	1.1%	$123,762	0.56%	2,257	161

Not listed: 25 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 2022.

Top billers of 99489 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