	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	6,097	$138,421,618	+9%	352,333	38	165	3.32
2023	5,957	$126,662,585	+7%	332,373	37	157	3.32
2022	5,889	$118,035,248	-3%	322,215	37	151	3.32
2021	5,735	$121,939,550	+8%	337,163	40	161	3.78
2020	5,434	$112,513,363	first year in data	316,532	39	168	3.78

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	543	$13,349,955	34,114	40	179
California	444	$10,426,012	23,997	36	173
Texas	534	$9,611,859	26,729	34	140
Georgia	277	$7,159,234	19,176	44	186
Arizona	206	$5,873,236	15,189	56	175
Maryland	178	$4,645,860	11,649	43	189
New York	231	$4,370,602	10,436	29	115
Tennessee	148	$3,689,656	10,352	43	163
Pennsylvania	223	$3,459,012	10,039	32	124
New Jersey	170	$2,987,225	6,864	31	102
Ohio	208	$2,974,129	10,001	32	123
Illinois	200	$2,914,731	8,663	31	111
Louisiana	112	$2,707,493	8,439	46	211
Virginia	119	$2,640,181	6,905	43	136
Arkansas	91	$2,632,596	7,859	59	215

Not listed: 6 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	269	$4,850,133	10,740	29
Phoenix-Mesa-Chandler, AZ	159	$4,339,511	10,957	53
Atlanta-Sandy Springs-Roswell, GA	168	$3,866,051	10,019	43
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	137	$2,728,087	6,835	34
Washington-Arlington-Alexandria, DC-VA-MD-WV	93	$2,424,218	5,618	36
Chicago-Naperville-Elgin, IL-IN	164	$2,376,148	6,858	30
Los Angeles-Long Beach-Anaheim, CA	130	$2,215,314	5,531	31
Dallas-Fort Worth-Arlington, TX	158	$2,162,974	6,238	30
Baltimore-Columbia-Towson, MD	93	$2,101,441	5,475	46
Tampa-St. Petersburg-Clearwater, FL	95	$1,742,609	4,474	33
Boston-Cambridge-Newton, MA-NH	100	$1,655,999	4,718	32
Miami-Fort Lauderdale-West Palm Beach, FL	84	$1,559,544	3,928	36
North Port-Bradenton-Sarasota, FL	33	$1,467,194	3,683	54
Nashville-Davidson--Murfreesboro--Franklin, TN	55	$1,429,376	3,789	48
San Antonio-New Braunfels, TX	60	$1,403,368	3,356	36

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 82 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 64635 nationally

Ambulatory Surgical Center accounts for 47% of payment for 64635 nationally in 2022, across 12 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ambulatory Surgical Center	1,085	18%	$55,181,082	47%	103,411	95
Pain Management	1,338	23%	$18,090,237	15%	64,025	48
Interventional Pain Management	910	15%	$15,003,831	13%	48,036	53
Anesthesiology	1,217	21%	$14,827,184	13%	53,685	44
Physical Medicine and Rehabilitation	1,107	19%	$12,219,972	10%	44,084	40
Neurology	38	0.65%	$507,984	0.43%	1,596	42
Orthopedic Surgery	40	0.68%	$402,518	0.34%	1,330	33
Diagnostic Radiology	33	0.56%	$383,768	0.33%	1,183	36
Neurosurgery	20	0.34%	$198,201	0.17%	799	40
Certified Registered Nurse Anesthetist (CRNA)	25	0.42%	$188,382	0.16%	771	31
Internal Medicine	12	0.20%	$183,190	0.16%	550	46
Family Practice	17	0.29%	$178,638	0.15%	604	36

Not listed: 13 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 64635 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