	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	115,957	$528,263,761	-3%	5,366,122	27	140	2.60
2023	117,621	$542,990,235	+23%	5,434,960	27	140	2.60
2022	91,293	$440,423,233	-10%	4,198,865	27	142	2.61
2021	95,113	$489,225,504	-7%	4,567,046	28	149	2.61
2020	98,326	$528,723,342	first year in data	4,835,349	28	153	2.61

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	6,938	$46,724,480	429,556	34	210
New York	6,468	$42,927,286	355,552	29	180
Texas	6,477	$35,291,492	339,934	30	166
California	5,498	$31,445,043	277,942	26	167
Pennsylvania	6,248	$29,550,611	277,315	28	126
Illinois	4,968	$28,105,095	256,525	31	159
New Jersey	3,682	$27,360,191	239,436	36	215
Michigan	4,000	$24,848,032	230,293	31	189
Ohio	4,514	$21,652,071	209,646	29	137
Massachusetts	3,108	$14,711,869	133,496	27	125
Virginia	2,571	$12,439,378	116,731	29	129
Indiana	2,421	$11,357,958	114,336	30	140
Missouri	2,494	$11,186,769	108,839	27	137
Georgia	2,466	$10,412,597	101,249	27	114
North Carolina	2,822	$10,396,884	101,895	24	97

Not listed: 18 billers with an armed-forces or unknown state code (AA, AE, AP, XX, ZZ); 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 2021.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	6,858	$53,175,502	438,088	32
Chicago-Naperville-Elgin, IL-IN	3,936	$23,886,729	216,969	32
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	3,185	$18,690,007	167,728	33
Detroit-Warren-Dearborn, MI	2,086	$16,229,265	147,344	37
Los Angeles-Long Beach-Anaheim, CA	2,000	$14,901,479	130,188	30
Miami-Fort Lauderdale-West Palm Beach, FL	1,696	$13,291,496	117,110	36
Houston-Pasadena-The Woodlands, TX	1,685	$10,434,587	97,388	32
Boston-Cambridge-Newton, MA-NH	2,185	$9,812,374	87,961	25
Dallas-Fort Worth-Arlington, TX	1,706	$8,930,464	85,891	29
Washington-Arlington-Alexandria, DC-VA-MD-WV	1,382	$7,829,383	68,794	31
Tampa-St. Petersburg-Clearwater, FL	1,099	$6,666,519	62,448	33
Orlando-Kissimmee-Sanford, FL	877	$6,647,284	62,191	37
St. Louis, MO-IL	1,322	$6,252,474	59,718	27
Cleveland, OH	1,189	$6,073,919	58,543	28
Pittsburgh, PA	1,274	$5,118,342	49,161	26

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 99222 nationally

Internal Medicine accounts for 16% of payment for 99222 nationally in 2021, across 63 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Internal Medicine	14,497	15%	$77,762,248	16%	715,771	49
Cardiology	7,960	8.4%	$51,469,214	11%	471,353	59
Infectious Disease	3,469	3.6%	$37,466,294	7.7%	337,088	97
Gastroenterology	6,256	6.6%	$36,530,720	7.5%	334,698	54
Nephrology	4,802	5.0%	$35,732,117	7.3%	327,327	68
Nurse Practitioner	7,491	7.9%	$28,646,190	5.9%	316,478	42
General Surgery	6,417	6.7%	$22,140,509	4.5%	206,413	32
Hospitalist	5,181	5.4%	$20,670,043	4.2%	191,757	37
Family Practice	4,793	5.0%	$19,815,040	4.1%	188,693	39
Neurology	3,260	3.4%	$18,289,721	3.7%	167,334	51
Physical Medicine and Rehabilitation	1,629	1.7%	$17,834,870	3.6%	163,492	100
Pulmonary Disease	2,922	3.1%	$16,801,026	3.4%	152,660	52
Physician Assistant	3,424	3.6%	$10,966,424	2.2%	120,101	35
Interventional Cardiology	1,880	2.0%	$10,700,441	2.2%	99,933	53
Urology	2,580	2.7%	$9,875,945	2.0%	90,520	35

Not listed: 10 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 99222 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