In this article, we’ve compiled 30 carefully selected multiple choice questions (MCQs) with answers to help you get familiar with Optum Interview Questions. These questions cover technical concepts, problem-solving scenarios, and domain-specific knowledge, giving you a solid foundation to boost your confidence and performance.
Optum Interview Questions
1. In a claims database, which key field is commonly used to join patient demographic data with claims data?
A. Claim ID
B. Date of Service
C. Patient ID
D. Diagnosis Code
Answer: C. Patient ID
2. What is the primary function of a CASE statement in SQL?
A. Perform joins
B. Aggregate values
C. Filter rows
D. Apply conditional logic
Answer: D. Apply conditional logic
3. Which DAX function would you use to calculate year-to-date (YTD) revenue in Power BI?
A. CALCULATE()
B. YTD()
C. TOTALYTD()
D. DATEYTD()
Answer: C. TOTALYTD()
4. What does CPT stand for in the healthcare domain?
A. Clinical Patient Timeline
B. Current Procedural Terminology
C. Care Protocol Table
D. Claims Processing Task
Answer: B. Current Procedural Terminology
5. Which join type is used in SQL to get all records from the left table and matching records from the right table?
A. INNER JOIN
B. LEFT JOIN
C. RIGHT JOIN
D. FULL OUTER JOIN
Answer: B. LEFT JOIN
6. In Tableau, what does a FIXED LOD expression do?
A. Filters data at the row level
B. Ignores filters completely
C. Aggregates data at a specified dimension level
D. Creates a moving average
Answer: C. Aggregates data at a specified dimension level
7. In Power BI, which function removes duplicates from a table?
A. DISTINCT()
B. REMOVE()
C. DELETE()
D. NODUP()
Answer: A. DISTINCT()
8. If a patient has multiple visits, how would you write a query to get their first visit date using SQL?
A. MAX(Visit_Date)
B. GROUP BY Visit_Date
C. MIN(Visit_Date)
D. COUNT(Visit_Date)
Answer: C. MIN(Visit_Date)
9. Which visualization is best suited to analyze patient admission trends over time?
A. Bar Chart
B. Pie Chart
C. Line Chart
D. Scatter Plot
Answer: C. Line Chart
10. What is a key difference between a calculated column and a measure in Power BI?
A. Calculated columns are dynamic
B. Measures can be used as filters
C. Measures are evaluated based on filter context
D. Calculated columns are used only in visuals
Answer: C. Measures are evaluated based on filter context
11. In a claims database, which key field is commonly used to join patient demographic data with claims data?
A. Claim ID
B. Date of Service
C. Patient ID
D. Diagnosis Code
Answer: C. Patient ID
12. What is the primary function of a CASE statement in SQL?
A. Perform joins
B. Aggregate values
C. Filter rows
D. Apply conditional logic
Answer: D. Apply conditional logic
13. Which DAX function would you use to calculate year-to-date (YTD) revenue in Power BI?
A. CALCULATE()
B. YTD()
C. TOTALYTD()
D. DATEYTD()
Answer: C. TOTALYTD()
14. What does CPT stand for in the healthcare domain?
A. Clinical Patient Timeline
B. Current Procedural Terminology
C. Care Protocol Table
D. Claims Processing Task
Answer: B. Current Procedural Terminology
15. Which join type is used in SQL to get all records from the left table and matching records from the right table?
A. INNER JOIN
B. LEFT JOIN
C. RIGHT JOIN
D. FULL OUTER JOIN
Answer: B. LEFT JOIN
16. In Tableau, what does a FIXED LOD expression do?
A. Filters data at the row level
B. Ignores filters completely
C. Aggregates data at a specified dimension level
D. Creates a moving average
Answer: C. Aggregates data at a specified dimension level
17. In Power BI, which function removes duplicates from a table?
A. DISTINCT()
B. REMOVE()
C. DELETE()
D. NODUP()
Answer: A. DISTINCT()
18. If a patient has multiple visits, how would you write a query to get their first visit date using SQL?
A. MAX(Visit_Date)
B. GROUP BY Visit_Date
C. MIN(Visit_Date)
D. COUNT(Visit_Date)
Answer: C. MIN(Visit_Date)
19. Which visualization is best suited to analyze patient admission trends over tim
A. Bar Chart
B. Pie Chart
C. Line Chart
D. Scatter Plot
Answer: C. Line Chart
20. What is a key difference between a calculated column and a measure in Power BI?
A. Calculated columns are dynamic
B. Measures can be used as filters
C. Measures are evaluated based on filter context
D. Calculated columns are used only in visuals
Answer: C. Measures are evaluated based on filter context
21. In healthcare analytics, what is the main use of ICD codes?
A. To bill procedures
B. To classify diagnoses and diseases
C. To identify patient demographics
D. To map insurance providers
Answer: B. To classify diagnoses and diseases
22. In SQL, which clause is used to filter groups created by GROUP BY?
A. WHERE
B. FILTER
C. ORDER BY
D. HAVING
Answer: D. HAVING
23. Which DAX function returns a value from the previous row in the current context?
A. EARLIER()
B. PREVIOUSMONTH()
C. LOOKBACK()
D. RANKX()
Answer: B. PREVIOUSMONTH()
24. What does HCC stand for in the context of healthcare data analytics?
A. Health Claim Classification
B. Hospital Code Collection
C. Hierarchical Condition Category
D. Healthcare Control Code
Answer: C. Hierarchical Condition Category
25. In Tableau, when you blend two data sources, what is required for a successful relationship?
A. Common linking field (e.g., Patient ID)
B. Identical schema
C. Same file format
D. Same row count
Answer: A. Common linking field (e.g., Patient ID)
26. Which SQL keyword is used to fetch only unique values?
A. UNIQUE
B. ONLY
C. DISTINCT
D. LIMIT
Answer: C. DISTINCT
27. In Power BI, which visual would you use to show correlation between two numerical fields?
A. Line Chart
B. Donut Chart
C. Tree Map
D. Scatter Chart
Answer: D. Scatter Chart
28. What is a common use of a Common Table Expression (CTE) in SQL?
A. Improve table storage
B. To simplify complex queries using temporary named result sets
C. Encrypt data
D. Replace joins
Answer: B. To simplify complex queries using temporary named result sets
29. Which Tableau feature is used to create reusable formulas across sheets?
A. Calculated Fields
B. Parameter Filters
C. Sheet Extracts
D. View Filters
Answer: A. Calculated Fields
30. In healthcare claims, what does EOB stand for?
A. End of Billing
B. Explanation of Benefits
C. Electronic Outbound Billing
D. Employee Onboarding Benefit
Answer: B. Explanation of Benefits
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