Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*

BETTEN ELIZABETH QUADROS

2. Date of Event Requiring Statement (MM/DD/YYYY) 8/6/2019

3. Issuer Name and Ticker or Trading Symbol

Option Care Health, Inc. [BIOS]

(Last) (First) (Middle)

C/O MADISON DEARBORN PARTNERS LLC, 70 W MADISON STREET, SUITE 4600

4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__ X __ Director ___ X ___ 10% Owner
_____ Officer (give title below) _____ Other (specify below)

(Street)

CHICAGO, IL 60602

(City) (State) (Zip)

5. If Amendment, Date Original Filed (MM/DD/YYYY)

6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	570454995 ⁽¹⁾	I ⁽²⁾ ⁽³⁾ ⁽⁴⁾	See footnote ⁽²⁾ ⁽³⁾ ⁽⁴⁾

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)

Explanation of Responses:
(1)	Consists of 570,454,995 shares of the Issuer's common stock ("Common Stock") held directly by HC Group Holdings I, LLC ("HC I").
(2)	MDP HC Holdings, LLC ("MDP HC") is the controlling equityholder of HC I. Madison Dearborn Capital Partners VI-A, L.P. ("MDP VI-A") is a controlling equityholder of MDP HC. Madison Dearborn Partners VI-A&C, L.P. ("MDP VI-A&C") is the general partner of MDP VI-A. Madison Dearborn Partners, LLC ("MDP LLC") is the general partner of MDP VI-A&C, which in turn is the general partner of MDP VI-A. Elizabeth Q. Betten and Timothy P. Sullivan are Managing Directors of MDP LLC, limited partners of MDP VI-A&C, serve on the board of managers of HC I and serve on the board of directors of Option Care Health, Inc. Paul J. Finnegan and Samuel M. Mencoff are the sole members of a limited partner committee that (by majority vote) controls investment decisions of shares held directly by MDP VI-A, and may be deemed to control the disposition of shares of Common Stock held directly by HC I.
(3)	(Continued from Footnote 2) By virtue of the relationships described in this footnote, Ms. Betten and Messrs. Sullivan, Finnegan and Mencoff may be deemed to exercise voting and dispositive power with respect to the shares of Common Stock held by HC I. Each of Mr. Finnegan, Mr. Mencoff, MDP LLC, MDP VI-A&C, MDP VI-A and MDP HC disclaims beneficial ownership of the shares of Common Stock owned by HC I except to the extent of its pecuniary interest therein.
(4)	The other beneficial owners of the reported securities have separately filed Form 3s.

Remarks:
Exhibit 24.1 Power of Attorney

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
BETTEN ELIZABETH QUADROS C/O MADISON DEARBORN PARTNERS LLC 70 W MADISON STREET, SUITE 4600 CHICAGO, IL 60602	X	X

Signatures
/s/ Annie Terry, by power of attorney		8/7/2019
^** Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.