California / Department of Health Care Services / Research Scientist IV (Epidemiology/Biostatistics)

Job-title file

Research Scientist IV (Epidemiology/Biostatistics)

Collect and analyze data to inform decisions, produce reports, and identify trends.

4 employees hold this title in Department of Health Care Services. Median total compensation for the role is $124,206, above the department median of $90,379.

Employees: 4
Total payroll: $435.5K
Role median: $124,206
Agency median: $90,379
Comparison: Above

Compare departments

This role across California

Research Scientist IV (Epidemiology/Biostatistics) is held in 7 California departments. In Department of Health Care Services, the median of $124,206 ranks #5 of 7.

Highest-paying departments for this role

Food and Agriculture

$166,735 · 1

Health Care Access and Information

$140,073 · 1

Envirnmtl Health Hazrd Assess

$139,207 · 5

Pesticide Regulation

$138,302 · 1

Department of Public Health

$117,240 · 11

Water Resources Control Board

$75,049 · 2

Median total compensation for the Research Scientist IV (Epidemiology/Biostatistics) role in other Californiadepartments (highest first). Each bar links to that department’s page for this role.

Compare jurisdictions

Research Scientist beyond California

This role is reported in 6 jurisdictions. In California, the median of $104,459 ranks #2 of 6. See Research Scientist across all of California →

Highest-paying jurisdictions for this role

$109,532 · 158

$96,654 · 395

$80,039 · 10

$73,100 · 13

$60,000 · 7

Median total compensation for comparable Research Scientist roles in other jurisdictions. Titles are matched by normalized name across sources, not identical job classification, and pay is not cost-of-living adjusted. Each bar links to that jurisdiction’s page for the role.

Record list

Employees with this title

Page 1

Deepa Aggarwal

Research Scientist IV (Epidemiology/Biostatistics)/Department of Health Care Services

2023 total comp

$129,673

Base pay: $129,073
Overtime: $0
Other pay: $600
Benefits: $0
Total compensation: $129,673
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Sacramento

Source-specific fields

Base Pay: $10,779
Cs/csu: Cs
Position Number: 8033965609001
Salary Total: $11,102
Total Pay: $129,673

Deepa Aggarwal holds the role of Research Scientist IV (Epidemiology/Biostatistics) at Department of Health Care Services. Their status is full-time. In 2023, their total compensation was $129,673. Union affiliation: R10.

Lily Ansen

Research Scientist IV (Epidemiology/Biostatistics)/Department of Health Care Services

2025 total comp

$127,837

Base pay: $127,287
Overtime: $0
Other pay: $550
Benefits: $0
Total compensation: $127,837
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Sacramento

Source-specific fields

Base Pay: $10,744
Cs/csu: Cs
Position Number: 8033965609002
Salary Total: $10,690
Total Pay: $127,837

Lily Ansen works as a Research Scientist IV (Epidemiology/Biostatistics) for Department of Health Care Services. Their status is full-time. Lily earned $127,837 in 2025. Union affiliation: R10.

Wenying Smith

Research Scientist IV (Epidemiology/Biostatistics)/Department of Health Care Services

2025 total comp

$120,575

Base pay: $120,025
Overtime: $0
Other pay: $550
Benefits: $0
Total compensation: $120,575
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Sacramento

Source-specific fields

Base Pay: $10,554
Cs/csu: Cs
Position Number: 8033965609022
Salary Total: $10,501
Total Pay: $120,575

At Department of Health Care Services, Wenying Smith serves as a Research Scientist IV (Epidemiology/Biostatistics). They work full-time. Their 2025 pay totaled $120,575. Their bargaining unit is R10.

Geno Guerra

Research Scientist IV (Epidemiology/Biostatistics)/Department of Health Care Services

2025 total comp

$57,406

Base pay: $57,156
Overtime: $0
Other pay: $250
Benefits: $0
Total compensation: $57,406
Employment type: Full-Time
Union / bargaining unit: R10
Work county: Sacramento

Source-specific fields

Base Pay: $9,573
Cs/csu: Cs
Position Number: 8033965609001
Salary Total: $9,525
Total Pay: $57,406

Geno Guerra works as a Research Scientist IV (Epidemiology/Biostatistics) for Department of Health Care Services. Their status is full-time. Geno earned $57,406 in 2025. They are represented by R10.