	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	153,625	$1,424,342,188	+6%	11,827,816	38	268	2.80
2023	145,531	$1,340,835,499	+5%	11,126,975	38	267	2.80
2022	137,554	$1,274,511,973	+1%	10,345,559	37	262	2.80
2021	133,298	$1,261,370,854	+60%	9,935,165	37	260	2.80
2020	107,887	$786,264,171	first year in data	7,848,467	35	256	2.11

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	14,352	$204,999,598	1,510,796	47	391
Florida	8,183	$85,421,495	668,530	39	294
New York	7,934	$80,258,034	571,628	36	244
Texas	8,102	$79,033,198	651,593	39	286
Illinois	5,974	$60,994,520	479,731	41	281
Pennsylvania	6,739	$58,377,634	481,852	36	241
Massachusetts	5,849	$51,807,932	413,189	39	233
North Carolina	5,482	$44,017,888	383,928	36	244
Maryland	3,817	$42,860,879	331,872	44	308
New Jersey	3,524	$42,466,087	304,488	41	326
Arizona	3,141	$35,787,477	295,460	44	354
Virginia	3,702	$35,033,355	283,834	37	282
Washington	4,027	$34,316,446	284,527	36	236
Ohio	4,754	$29,098,529	264,689	30	179
Michigan	4,293	$27,033,102	238,567	31	179

Not listed: 17 billers with an armed-forces or unknown state code (AE, AP, XX, ZZ); they are in the national totals.

Not listed: 1 state 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	7,770	$95,692,618	653,473	40
Los Angeles-Long Beach-Anaheim, CA	4,689	$76,336,694	553,027	48
Chicago-Naperville-Elgin, IL-IN	4,990	$54,614,348	424,868	44
Boston-Cambridge-Newton, MA-NH	4,570	$40,498,649	321,032	39
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	3,589	$36,168,234	286,825	41
Washington-Arlington-Alexandria, DC-VA-MD-WV	2,722	$33,198,610	242,409	43
San Francisco-Oakland-Fremont, CA	2,238	$30,195,498	217,436	51
Baltimore-Columbia-Towson, MD	2,370	$24,745,389	197,563	44
Phoenix-Mesa-Chandler, AZ	2,174	$24,388,692	200,860	45
Houston-Pasadena-The Woodlands, TX	2,218	$22,545,783	183,067	43
Dallas-Fort Worth-Arlington, TX	2,342	$21,558,476	176,465	38
Seattle-Tacoma-Bellevue, WA	2,500	$20,260,559	164,956	36
Miami-Fort Lauderdale-West Palm Beach, FL	1,818	$19,439,383	147,336	40
San Diego-Chula Vista-Carlsbad, CA	1,500	$18,927,265	142,285	46
San Jose-Sunnyvale-Santa Clara, CA	1,425	$16,958,334	124,349	46

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 2022.

Specialties billing 99215 nationally

Internal Medicine accounts for 15% of payment for 99215 nationally in 2022, across 69 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Internal Medicine	18,970	14%	$195,679,146	15%	1,601,237	84
Hematology-Oncology	6,445	4.7%	$132,171,222	10%	1,043,044	162
Family Practice	17,369	13%	$119,994,737	9.4%	1,012,362	58
Cardiology	8,564	6.2%	$114,591,590	9.0%	858,951	100
Nurse Practitioner	19,012	14%	$108,871,934	8.5%	1,057,993	56
Neurology	8,340	6.1%	$98,431,861	7.7%	759,197	91
Medical Oncology	2,654	1.9%	$49,950,616	3.9%	403,592	152
Pulmonary Disease	4,014	2.9%	$41,718,766	3.3%	314,297	78
Physician Assistant	8,066	5.9%	$40,483,607	3.2%	392,471	49
Nephrology	3,415	2.5%	$35,775,882	2.8%	297,844	87
Endocrinology	2,924	2.1%	$35,635,347	2.8%	271,024	93
Rheumatology	2,302	1.7%	$25,012,609	2.0%	194,469	84
Interventional Cardiology	1,950	1.4%	$22,357,793	1.8%	170,585	87
Urology	2,961	2.2%	$20,310,297	1.6%	152,186	51
Psychiatry	1,948	1.4%	$19,990,479	1.6%	162,703	84

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 2022.

Top billers of 99215 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