	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	558	$14,724,565	36,977	40	205
California	478	$12,557,978	27,225	36	174
Texas	535	$10,231,021	27,249	36	149
Georgia	267	$7,392,244	19,107	46	191
Arizona	207	$6,262,688	15,968	62	196
New York	240	$4,787,053	11,125	31	121
Maryland	164	$4,587,583	11,273	51	189
Tennessee	147	$3,761,993	10,420	43	183
Pennsylvania	225	$3,621,026	10,090	32	116
New Jersey	175	$3,183,515	7,164	31	104
Illinois	183	$3,118,024	8,862	34	130
Ohio	206	$3,042,279	9,740	33	131
Virginia	122	$2,883,516	7,380	43	151
Louisiana	118	$2,768,633	8,269	38	210
North Carolina	167	$2,714,418	7,700	33	127

Not listed: 5 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 2023.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	278	$5,428,013	11,728	31
Phoenix-Mesa-Chandler, AZ	161	$4,729,493	11,873	62
Atlanta-Sandy Springs-Roswell, GA	162	$4,122,751	10,439	48
Los Angeles-Long Beach-Anaheim, CA	149	$2,858,740	6,638	30
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	148	$2,855,470	7,068	32
Dallas-Fort Worth-Arlington, TX	170	$2,606,863	6,997	30
Chicago-Naperville-Elgin, IL-IN	145	$2,468,978	6,772	34
Washington-Arlington-Alexandria, DC-VA-MD-WV	88	$2,312,829	5,307	42
Baltimore-Columbia-Towson, MD	85	$2,130,883	5,395	51
Tampa-St. Petersburg-Clearwater, FL	101	$2,024,540	4,956	34
Boston-Cambridge-Newton, MA-NH	97	$1,697,949	4,589	32
Jacksonville, FL	69	$1,649,710	4,065	35
North Port-Bradenton-Sarasota, FL	32	$1,606,608	3,928	79
San Francisco-Oakland-Fremont, CA	47	$1,597,210	2,926	40
Miami-Fort Lauderdale-West Palm Beach, FL	86	$1,593,739	4,003	38

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 86 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2023.

Specialties billing 64635 nationally

Ambulatory Surgical Center accounts for 50% of payment for 64635 nationally in 2023, across 13 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ambulatory Surgical Center	1,165	20%	$63,271,936	50%	116,877	100
Pain Management	1,390	23%	$19,033,269	15%	65,319	47
Anesthesiology	1,162	20%	$14,612,769	12%	50,725	44
Interventional Pain Management	867	15%	$14,612,080	12%	46,388	54
Physical Medicine and Rehabilitation	1,156	19%	$12,620,292	10.0%	44,647	39
Neurology	35	0.59%	$491,033	0.39%	1,437	41
Diagnostic Radiology	27	0.45%	$336,233	0.27%	1,074	40
Orthopedic Surgery	36	0.60%	$316,291	0.25%	1,087	30
Neurosurgery	20	0.34%	$220,957	0.17%	818	41
Certified Registered Nurse Anesthetist (CRNA)	20	0.34%	$171,307	0.14%	701	35
Internal Medicine	12	0.20%	$167,405	0.13%	497	41
Family Practice	12	0.20%	$121,017	0.10%	437	36
Sports Medicine	11	0.18%	$102,078	0.08%	482	44

Not listed: 11 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 2023.

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