Oak Street Health, Inc. (OSH) 10K Annual Reports & 10Q SEC Filings

Cover Page - USD ($)	12 Months Ended
Cover Page - USD ($)	Dec. 31, 2022	Feb. 22, 2023	Jun. 30, 2022
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Current Fiscal Year End Date	--12-31
Document Period End Date	Dec. 31, 2022
Document Transition Report	false
Entity File Number	001-39427
Entity Registrant Name	Oak Street Health, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	84-3446686
Entity Address, Address Line One	30 W. Monroe Street
Entity Address, Address Line Two	Suite 1200
Entity Address, City or Town	Chicago
Entity Address, State or Province	IL
Entity Address, Postal Zip Code	60603
City Area Code	888
Local Phone Number	898-6762
Title of 12(b) Security	Common Stock, $0.001 per share par value
Trading Symbol	OSH
Security Exchange Name	NYSE
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			$ 1,914,987,684
Entity Common Stock, Shares Outstanding		243,999,366
Documents Incorporated by Reference	Portions of the information called for by Part III of this Annual Report on Form 10-K is hereby incorporated by reference from the definitive proxy statement for the Registrant’s annual meeting of stockholders, which will be filed with the Securities and Exchange Commission no later than 120 days after the Registrant’s fiscal year ended December 31, 2022.
Entity Central Index Key	0001564406
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	FY
Amendment Flag	false

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Inside Oak Street Health, Inc.'s 10-K Annual Report:

Financial - Expense Highlight
Due to the significant fixed costs associated with operating and managing our centers and the increases we experience in patient contribution on a per-patient basis the longer a patient is part of the Oak Street Platform, we generate significantly better center-level contribution margins (defined as (i) total revenues generated within our centers, excluding Medicare Part D revenue minus (ii) the sum of (a) medical claims expense, excluding Medicare Part D related expenses, and (b) cost of care, excluding depreciation and amortization) as the patient base within our centers increases and matures and our costs decrease as a percent of revenue.

Financial - Cash Flow Highlight
The principal contributors to the year-over-year change in the operating cash flows were as follows: A net change of $(37.9) million in net loss and non-cash charges and credits, primarily due to an increase in net loss for the business and decreased stock and equity-based compensation expense, as noted above under "Results of Operations" offset by higher fair value adjustments to contingent consideration, depreciation and amortization and non-cash operating lease charges; and A net increase of $74.3 million in cash outflows related to operating assets and liabilities resulting from changes in accounts receivable due to the timing of collections and the growth in the number of at-risk patients and changes in operating lease costs and other liabilities due to the growth in the number of operating centers.
Financial - Expense Highlight
In addition, we expect our corporate, general and administrative expenses to increase in absolute dollars for the foreseeable future to support our growth and because of additional costs of being a public company.
Revenue - Product Highlight
As the year progresses, our per-patient revenue declines as new patients join us typically with less complete or accurate documentation (and therefore lower risk-adjustment scores), and our patient attrition skews towards our higher-risk (and therefore greater revenue) patients.
M & A - Other
Because platform contribution, patient contribution...Read more
Revenue - Product
The increase was primarily due...Read more
Financial - Expense
Medical costs also depend upon...Read more
Financial - Expense
As we are financially responsible...Read more
Other - Other
To supplement our consolidated financial...Read more
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Our consolidated financial statements could...Read more
Other - Other
Under certain agreements the fund...Read more
Revenue - Product
We grow our patient base...Read more
Revenue - Product
This increase was driven primarily...Read more
Financial - Cash Flow
Cash Flows The following table...Read more
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Under that certain Loan and...Read more
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Financing Activities Cash provided by...Read more
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Non-GAAP financial measures used by...Read more
Financial - Expense
Due to the uncertainty of...Read more
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Our cash and cash equivalents...Read more
Financial - Earnings
Patient contribution is intended to...Read more
Revenue - Product
Investments in Growth: We expect...Read more
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We include adjusted EBITDA in...Read more
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The ongoing efforts of the...Read more
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Investing Activities For the year...Read more
Financial - Earnings
Center-Level Contribution Margin: We endeavor...Read more
Revenue - Product
Some of the more critical...Read more
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Our definitions of platform contribution,...Read more
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We believe this metric best...Read more
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Medical Claims Expense Medical claims...Read more
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Although the Company believes its...Read more
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Total Patients Total patients includes...Read more
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Key Factors Affecting Our Performance...Read more
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Even as the COVID-19 pandemic...Read more
M & A - Other
For further discussion about the...Read more
Revenue - Product
These estimates and assumptions primarily...Read more
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We typically experience a significant...Read more
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Executive Summary The following table...Read more
Other - Other
The increase was primarily due...Read more
Other - Other
In our short history, we...Read more
Financial - Expense
Cost of care, excluding depreciation...Read more
Other - Other
There can be no assurances,...Read more
Financial - Shares
In certain contracts, PPPM fees...Read more
Revenue - Product
As a center matures, we...Read more
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We grew our patient base...Read more
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The increase was primarily driven...Read more
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We created a new care...Read more
Revenue - Product
Comparison of the Years Ended...Read more
Financial - Cash Flow
Since our inception and through...Read more
M & A - Other
We are subject to customary...Read more
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Expand our Center Base within...Read more
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Our platform's design has included...Read more
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We expect that patient contribution...Read more
Financial - Income
For intangible assets, the Company...Read more
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As a result, we may...Read more
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Our care model focuses on...Read more
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Under the terms of the...Read more

Financial Statements, Disclosures and Schedules

Inside this 10-K Annual Report

Material Contracts, Statements, Certifications & more

Oak Street Health, Inc. provided additional information to their SEC Filing as exhibits

Exhibit 21.1: List Of Subsidiaries Of Oak Street Health, Inc.

Exhibit 23.1: Consent Of Ernst &Amp; Young Llp.

Exhibit 31.1: Certification Of The Chief Executive Officer Pursuant To Exchange Act Rules Rule

Exhibit 31.2: Certification Of The Chief Financial Officer Pursuant To Exchange Act Rules Rule

Exhibit 32.1: Certification Of The Chief Executive Officer Pursuant To 18 U.S.C. Section 1350,

Exhibit 32.2: Certification Of The Chief Financial Officer Pursuant To 18 U.S.C. Section 1350,

Ticker: OSH
CIK: 1564406
Form Type: 10-K Annual Report
Accession Number: 0001564406-23-000019
Submitted to the SEC: Tue Feb 28 2023 4:37:21 PM EST
Accepted by the SEC: Tue Feb 28 2023
Period: Saturday, December 31, 2022
Industry: Health Services