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Oak Street Health Interview Questions

The questions to prepare for Oak Street Health interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
SQL & Data ManipulationStart here. 5 questions · ~47 min
2
Coding5 questions · ~47 min
Deduplicating Patient IDsEasy
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Remove duplicate patient IDs with a set while preserving the order of first appearance.

Hash TablesdeduplicationBasic AlgorithmsOak Street Health
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3
Execution6 questions · ~57 min
Handle Conflict Within Your TeamEasy

Explain how you handle team conflict while keeping delivery on track and maintaining trust across stakeholders.

Trade-offsRisk AssessmentScope ManagementOak Street Health
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4
Metrics5 questions · ~47 min
Using Metrics to Drive DecisionsEasy

Explain how you used a KPI and supporting metrics to diagnose a product issue and make a concrete product decision.

Funnel AnalysisKPIsLeading IndicatorsOak Street Health
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5
Pipelines5 questions · ~47 min
Data Quality in ETL PipelinesEasy

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityOak Street Health
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6
Machine Learning5 questions · ~47 min
Supervised vs Unsupervised LearningEasy

Explain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.

Unsupervised LearningFeature EngineeringBias-Variance TradeoffOak Street Health
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7
More topics19 questions · ~179 min
Resume WalkthroughEasy

Present a concise, structured resume walkthrough that connects your experience to the Research Analyst role at Baird.

Estimationanalytical thinkingBusiness AcumenOak Street Health
Find Pain Points from FeedbackMedium

Use customer feedback to identify the biggest pain points in the user journey.

User ResearchUser NeedsPain PointsOak Street Health
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