COVER PAGE - USD ($)	12 Months Ended
	Dec. 31, 2022	Feb. 20, 2023	Jun. 30, 2022
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2022
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-11993
Entity Registrant Name	OPTION CARE HEALTH, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	05-0489664
Entity Address, Address Line One	3000 Lakeside Dr.
Entity Address, Address Line Two	Suite 300N
Entity Address, City or Town	Bannockburn
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60015
City Area Code	312
Local Phone Number	940-2443
Title of 12(b) Security	Common Stock, $0.0001 par value per share
Trading Symbol	OPCH
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 4,017,947,091
Entity Common Stock, Shares Outstanding		181,957,711
Documents Incorporated by Reference	Portions of the registrant’s definitive proxy statement for its 2023 Annual Meeting of Stockholders to be filed with the Securities and Exchange Commission (the “SEC”) within 120 days after the close of the registrant’s fiscal year are incorporated by reference into Part III of this Annual Report on Form 10-K.
Entity Central Index Key	0001014739
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Amendment Flag	false