	observed	calculated	calculated	calculated	calculated	calculated	reported
2024	6,734	$48,256,766	-4%	1,394,911	69	666	0.24
2023	6,757	$50,183,262	+3%	1,413,874	66	693	0.24
2022	6,772	$48,948,709	-5%	1,391,247	65	694	0.24
2021	7,009	$51,432,994	+22%	1,478,397	67	673	0.24
2020	6,913	$42,330,684	first year in data	1,315,368	65	607	0.24

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	617	$5,132,440	135,803	79	691
New Jersey	184	$4,988,383	100,964	94	2,477
Florida	515	$4,632,868	122,605	81	934
New York	450	$4,484,271	116,258	78	1,114
Texas	549	$3,645,205	116,979	67	540
Maryland	140	$3,037,575	63,127	78	1,332
Arkansas	99	$1,760,037	77,164	140	1,619
Georgia	249	$1,559,462	46,482	60	589
Tennessee	211	$1,484,730	44,624	68	753
Connecticut	92	$1,317,169	28,370	72	976
Illinois	302	$986,667	38,126	59	323
Arizona	173	$845,491	27,132	80	488
Massachusetts	274	$820,168	31,986	62	360
Pennsylvania	349	$717,158	43,855	61	348
Ohio	291	$643,058	31,467	58	250

Not listed: 1 billers with an armed-forces or unknown state code (ZZ); they are in the national totals.

Not listed: 2 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 2020.

Top metro areas

	observed	calculated	calculated	calculated
New York-Newark-Jersey City, NY-NJ	448	$9,163,336	199,261	102
Washington-Arlington-Alexandria, DC-VA-MD-WV	103	$2,802,583	58,142	123
Los Angeles-Long Beach-Anaheim, CA	253	$2,749,500	63,939	82
Dallas-Fort Worth-Arlington, TX	151	$2,385,268	63,040	91
Little Rock-North Little Rock-Conway, AR	66	$1,630,276	73,107	201
Miami-Fort Lauderdale-West Palm Beach, FL	133	$1,262,286	30,263	80
Atlanta-Sandy Springs-Roswell, GA	154	$1,027,729	27,735	50
Cape Coral-Fort Myers, FL	42	$963,872	22,929	143
Memphis, TN-MS-AR	49	$856,112	18,987	91
Chicago-Naperville-Elgin, IL-IN	249	$828,365	33,043	66
Boston-Cambridge-Newton, MA-NH	220	$749,034	26,741	61
Phoenix-Mesa-Chandler, AZ	131	$608,098	19,991	78
North Port-Bradenton-Sarasota, FL	19	$596,342	12,183	99
Orlando-Kissimmee-Sanford, FL	65	$580,113	16,385	121
Baltimore-Columbia-Towson, MD	81	$540,631	17,596	72

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). The 81 areas with the most payment among those with at least 11 billers; non-metro parts of each state are one area. Data year 2020.

Specialties billing 88313 nationally

Pathology accounts for 57% of payment for 88313 nationally in 2020, across 9 specialties on claims.

	observed	calculated	calculated	calculated	calculated	calculated
Pathology	5,868	85%	$24,008,815	57%	915,926	156
Clinical Laboratory	347	5.0%	$14,797,781	35%	311,982	899
Gastroenterology	391	5.7%	$2,496,244	5.9%	57,888	148
Podiatry	17	0.25%	$313,736	0.74%	5,224	307
Dermatology	155	2.2%	$257,705	0.61%	8,102	52
Urology	37	0.54%	$196,385	0.46%	6,285	170
Internal Medicine	26	0.38%	$125,470	0.30%	3,528	136
Hematology-Oncology	22	0.32%	$41,055	0.10%	1,307	59
Ophthalmology	17	0.25%	$27,176	0.06%	1,533	90

Not listed: 15 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 2020.

Top billers of 88313 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