	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	548	$15,772,507	38,651	44	209
California	513	$14,774,080	30,554	37	195
Texas	566	$11,689,059	29,982	37	151
Georgia	280	$7,735,537	19,113	46	174
Arizona	225	$6,704,283	16,631	58	206
New York	245	$5,056,736	11,473	32	121
Maryland	177	$5,055,902	11,969	51	190
Tennessee	141	$4,038,899	10,727	51	224
Pennsylvania	247	$3,862,474	11,030	32	111
Illinois	189	$3,602,690	9,919	41	131
New Jersey	165	$3,441,254	7,404	32	107
Louisiana	114	$3,171,856	9,007	43	221
Ohio	207	$3,105,886	9,382	31	120
Virginia	122	$3,056,133	8,062	49	158
North Carolina	178	$2,898,084	8,145	33	116

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 2024.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	277	$5,802,718	12,227	31
Phoenix-Mesa-Chandler, AZ	173	$5,141,533	12,599	57
Atlanta-Sandy Springs-Roswell, GA	169	$4,290,641	10,215	42
Dallas-Fort Worth-Arlington, TX	187	$3,300,711	8,130	32
Los Angeles-Long Beach-Anaheim, CA	154	$3,231,979	7,301	28
Chicago-Naperville-Elgin, IL-IN	159	$3,029,946	7,995	39
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD	152	$2,997,245	7,396	33
Washington-Arlington-Alexandria, DC-VA-MD-WV	93	$2,474,272	5,633	41
Baltimore-Columbia-Towson, MD	88	$2,343,216	5,830	57
San Francisco-Oakland-Fremont, CA	55	$2,001,075	3,471	35
Tampa-St. Petersburg-Clearwater, FL	86	$2,000,846	4,769	41
Jacksonville, FL	66	$1,991,225	4,944	45
Boston-Cambridge-Newton, MA-NH	102	$1,797,155	4,796	33
Miami-Fort Lauderdale-West Palm Beach, FL	85	$1,718,835	4,161	36
Austin-Round Rock-San Marcos, TX	65	$1,643,817	3,948	34

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 2024.

Specialties billing 64635 nationally

Ambulatory Surgical Center accounts for 52% of payment for 64635 nationally in 2024, across 14 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Ambulatory Surgical Center	1,194	20%	$71,348,529	52%	126,293	106
Pain Management	1,441	24%	$20,609,815	15%	69,483	48
Anesthesiology	1,174	19%	$15,466,856	11%	52,539	45
Interventional Pain Management	858	14%	$14,659,929	11%	46,592	54
Physical Medicine and Rehabilitation	1,192	20%	$13,597,782	9.8%	48,303	41
Neurology	36	0.59%	$483,147	0.35%	1,414	39
Diagnostic Radiology	32	0.52%	$381,165	0.28%	1,206	38
Orthopedic Surgery	32	0.52%	$286,819	0.21%	1,019	32
Certified Registered Nurse Anesthetist (CRNA)	24	0.39%	$250,393	0.18%	955	40
Neurosurgery	21	0.34%	$212,258	0.15%	748	36
Internal Medicine	13	0.21%	$166,947	0.12%	504	39
Family Practice	15	0.25%	$166,332	0.12%	520	35
Emergency Medicine	14	0.23%	$140,932	0.10%	539	39
Sports Medicine	12	0.20%	$103,573	0.07%	483	40

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 2024.

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