	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	3,051	$417,113,225	+4%	933,225	237	819	6.20
2023	2,969	$400,042,751	+5%	895,545	234	799	6.20
2022	2,866	$379,461,576	+2%	853,158	229	796	6.20
2021	2,822	$372,098,193	+11%	823,401	221	802	6.20
2020	2,713	$333,735,814	first year in data	758,162	203	760	6.20

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	337	$51,311,135	107,974	225	887
California	443	$41,443,649	83,137	113	591
Texas	177	$22,535,705	51,104	264	705
New York	136	$18,632,552	34,900	182	703
Arizona	94	$14,672,951	32,276	235	899
Pennsylvania	112	$14,458,826	35,805	243	735
North Carolina	71	$14,031,982	31,965	420	1,135
Georgia	76	$12,997,106	29,102	286	1,038
Ohio	79	$11,014,518	25,654	275	910
Virginia	47	$10,353,883	22,260	402	1,096
Illinois	74	$10,226,242	22,955	262	748
Massachusetts	60	$10,150,462	22,232	342	884
New Jersey	68	$8,815,660	17,898	221	744
Tennessee	61	$8,779,775	20,924	317	810
Washington	61	$7,741,283	17,323	222	648

Not listed: 12 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	156	$21,489,054	39,560	183
Los Angeles-Long Beach-Anaheim, CA	203	$14,256,743	27,917	73
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	67	$10,455,353	22,310	267
Phoenix-Mesa-Chandler, AZ	64	$10,392,614	23,069	293
Miami-Fort Lauderdale-West Palm Beach, FL	91	$9,835,368	19,759	134
Chicago-Naperville-Elgin, IL-IN	65	$8,839,615	19,018	226
Boston-Cambridge-Newton, MA-NH	47	$8,693,245	18,822	387
Washington-Arlington-Alexandria, DC-VA-MD-WV	39	$7,454,630	14,131	287
Atlanta-Sandy Springs-Roswell, GA	46	$7,104,908	15,125	247
Dallas-Fort Worth-Arlington, TX	43	$6,968,804	14,287	339
Tampa-St. Petersburg-Clearwater, FL	51	$5,439,516	11,712	178
San Diego-Chula Vista-Carlsbad, CA	52	$4,900,088	10,194	162
Jacksonville, FL	19	$4,756,845	10,281	400
Houston-Pasadena-The Woodlands, TX	45	$4,747,052	11,664	216
North Port-Bradenton-Sarasota, FL	29	$4,690,994	9,503	258

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 54 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 17311 nationally

Dermatology accounts for 80% of payment for 17311 nationally in 2021, across 3 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Dermatology	2,415	86%	$299,138,331	80%	656,484	272
Micrographic Dermatologic Surgery	352	12%	$66,915,036	18%	150,563	428
Ambulatory Surgical Center	12	0.43%	$707,467	0.19%	4,528	377

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 17311 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