Table 1. Characteristics of Medicare Beneficiaries Receiving Care at Opioid Treatment Programs (OTPs) in 2022.

Characteristic	Beneficiaries, %			P value
	Any OTP care	Type of MOUD received
		Any methadone	Only MOUD other than methadone
Total No.	38 870	37 140	1730	NA
Dual eligible	66	66	58	<.001
With a disability	66	66	72	<.001
Age, y
≤40	28	28	36	<.001
41-65	49	49	49	.77
≥66	23	23	15	<.001
Sex
Female	35	35	36	.10
Male	65	65	64
Race and ethnicitya
Black	14	14	9	<.001
Hispanic	10	10	5	<.001
White	59	59	67	<.001
Urban resident	78	78	84	<.001
US region
West	21	21	14	<.001
Midwest	12	11	29	<.001
Northeast	27	28	10	<.001
South	26	26	31	<.001

Abbreviations: MOUD, medication for opioid use disorder; NA, not applicable.

^a The race and ethnicity variable comes from the Beneficiary Race Code from the Master Beneficiary Summary File for the Medicare claims data. Race and ethnicity data are displayed to capture potential disparities across groups in receipt of medications for opioid use disorder. Other race and ethnicity categories are excluded due to small numbers.