		observed	calculated	calculated	calculated	calculated
A0427	Ambulance service, advanced life support, emergency transport, level 1 (als 1 - emergency)	6,857	$1,522,290,381	6.6%	3,690,907	167
G0439	Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	110,126	$1,192,324,330	5.2%	10,108,463	59
97110	Descriptor not shown (CPT code)	83,101	$1,105,910,021	4.8%	63,068,530	456
97530	Descriptor not shown (CPT code)	70,092	$1,063,442,995	4.6%	43,562,919	374
A0429	Ambulance service, basic life support, emergency transport (bls-emergency)	7,742	$914,248,770	4.0%	2,598,660	100
92014	Descriptor not shown (CPT code)	35,261	$760,787,596	3.3%	9,164,899	124
A0425	Ground mileage, per statute mile	8,929	$741,833,528	3.2%	98,427,741	2,876
97112	Descriptor not shown (CPT code)	67,834	$706,760,086	3.1%	33,792,592	311
A0428	Ambulance service, basic life support, non-emergency transport, (bls)	2,683	$599,919,046	2.6%	2,897,867	177
93306	Descriptor not shown (CPT code)	24,796	$569,011,003	2.5%	6,743,227	217
Q4275	Esano aca, per square centimeter	46	$455,714,917	2.0%	218,147	2,604
97140	Descriptor not shown (CPT code)	67,054	$450,466,794	2.0%	28,359,909	253
90837	Descriptor not shown (CPT code)	15,804	$372,578,448	1.6%	3,792,555	182
98941	Descriptor not shown (CPT code)	26,597	$335,536,649	1.5%	12,437,615	323
G0008	Administration of influenza virus vaccine	112,062	$329,061,888	1.4%	11,327,225	46
90480	Descriptor not shown (CPT code)	54,794	$315,441,742	1.4%	8,303,881	75
93229	Descriptor not shown (CPT code)	2,314	$307,226,575	1.3%	382,240	33
90960	Descriptor not shown (CPT code)	6,383	$296,622,466	1.3%	1,080,713	142
G2211	Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	138,770	$295,852,091	1.3%	24,627,539	95
G6015	Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session	1,441	$295,838,047	1.3%	1,058,781	503
A0431	Ambulance service, conventional air services, transport, one way (rotary wing)	347	$292,817,347	1.3%	65,548	83
92134	Descriptor not shown (CPT code)	27,541	$234,809,890	1.0%	8,111,308	70
92012	Descriptor not shown (CPT code)	15,822	$198,920,759	0.86%	3,111,523	82
G2067	Medication assisted treatment, methadone; weekly bundle including dispensing and/or administration, substance use counseling, individual and group therapy, and toxicology testing, if performed (provision of the services by a medicare-enrolled opioid treatm	828	$179,898,016	0.78%	813,225	592
96413	Descriptor not shown (CPT code)	7,637	$160,936,500	0.70%	1,637,325	148
93880	Descriptor not shown (CPT code)	20,586	$148,139,483	0.64%	1,582,989	42
92004	Descriptor not shown (CPT code)	25,728	$145,004,470	0.63%	1,523,496	36
A9555	Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries	1,597	$141,476,935	0.61%	336,870	121
90834	Descriptor not shown (CPT code)	10,253	$140,257,392	0.61%	2,079,420	120
A0436	Rotary wing air mileage, per statute mile	348	$131,395,606	0.57%	4,291,202	5,368
G0483	Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms	1,021	$129,438,547	0.56%	537,743	84
R0070	Transportation of portable x-ray equipment and personnel to home or nursing home, per trip to facility or location, one patient seen	286	$127,887,522	0.55%	723,699	830
A9595	Piflufolastat f-18, diagnostic, 1 millicurie	642	$121,133,930	0.52%	242,774	225
00142	Descriptor not shown (CPT code)	19,043	$120,491,859	0.52%	1,615,397	35
97161	Descriptor not shown (CPT code)	37,020	$114,914,966	0.50%	1,576,730	31
92083	Descriptor not shown (CPT code)	25,834	$114,310,947	0.50%	2,652,036	51
G0105	Colorectal cancer screening; colonoscopy on individual at high risk	8,537	$105,008,876	0.46%	364,912	26
93000	Descriptor not shown (CPT code)	68,409	$100,048,209	0.43%	9,777,098	37
93970	Descriptor not shown (CPT code)	20,375	$98,652,659	0.43%	1,341,339	34
97162	Descriptor not shown (CPT code)	36,625	$98,071,723	0.43%	1,346,460	27
G0482	Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms	1,428	$94,765,334	0.41%	489,866	78
00731	Descriptor not shown (CPT code)	39,671	$94,260,233	0.41%	1,174,579	21
93010	Descriptor not shown (CPT code)	51,118	$92,789,959	0.40%	15,348,910	112
90832	Descriptor not shown (CPT code)	6,210	$92,497,455	0.40%	1,808,432	92
00811	Descriptor not shown (CPT code)	31,539	$92,443,692	0.40%	1,166,576	22
93247	Descriptor not shown (CPT code)	44	$87,704,413	0.38%	378,787	41
92250	Descriptor not shown (CPT code)	25,483	$86,790,642	0.38%	3,413,264	63
93298	Descriptor not shown (CPT code)	4,885	$84,846,715	0.37%	1,460,295	141
Q4277	Woundplus membrane or e-graft, per square centimeter	24	$81,564,515	0.35%	58,894	1,073
93458	Descriptor not shown (CPT code)	7,915	$80,688,243	0.35%	376,348	36

Source: CMS Medicare Physician & Other Practitioners public use files (Original Medicare Part B fee-for-service). Descriptions of HCPCS Level II codes are the official CMS descriptors, shown verbatim; CPT codes show a ClaimLight category in place of the descriptor. Data year 2024.

Original Medicare Part B fee-for-service only; CMS suppresses provider lines with fewer than 11 beneficiaries. How these figures are computed