DAISY ANTE CASTORENA
San Diego
Summary
Clinical Informatics Specialist with extensive experience in Epic optimization and workflow improvement. Achieved significant reductions in onboarding turnaround time and training disruptions, while enhancing audit readiness and cross-functional collaboration to drive operational efficiency within a multi-entity health system.
Overview
8
8
years of professional experience
Work History
Lead, Epic Training Team
Sharp HealthCare
01.2022 - Current
- Led Epic classroom and virtual training readiness for 50-100+ learners per month, achieving >98% on-time class starts through proactive technical and access validation.
- Reduced day-of-training delays by ~35% by resolving EpicU access, environment, and authentication issues prior to class start.
- Partnered with IAM, IT Security, and TAC teams to troubleshoot Epic RBAC and AD issues, reducing access resolution TAT to under 2 hours.
- Remediated improper generic IS# profiles, improving identity mapping accuracy by ~25% and reducing repeat login issues.
- Resolved 90%+ of issues on first contact as escalation point during live training, ensuring uninterrupted workflow.
Clinical Informatics Specialist
Sharp HealthCare
01.2022 - Current
- Led optimization of Cardiovascular and Endoscopy workflows, identifying $600K+ in annual revenue impact.
- Streamlined Epic access workflows across multiple entities, reducing provider onboarding TAT by ~20-30%.
- Reduced Tier 2 Epic issue resolution timelines from several days to under 48 hours.
- Facilitated informatics governance and eScore evaluations, reducing clinical decision turnaround by 25%.
- Supported audit and compliance readiness, achieving 30% reduction in access-related findings.
EMR Specialist (Epic/Cerner)
Sharp HealthCare
01.2018 - 01.2022
- Facilitated major system upgrades with on-time go-lives and minimal disruption to clinical workflows.
- Trained hundreds of clinicians annually with >95% training completion rates.
- Reduced post-training support requests by ~20% through targeted coaching and clinician rounding.
Education
Bachelor of Business Administration -
University of Phoenix
San Diego, CA02-2021
Skills
- Epic and Workday
- Training development
- Power BI
- Tableau
- Excel
- Microsoft Office Suite
- SharePoint
Personal Information
Title: Clinical Informatics Specialist | Epic Certified Primary Trainer
Systems And Tools
- Epic (OpTime, Cupid, Endo)
- Power BI
- Excel
- Tableau (basic)
- MS Office
- SharePoint
- Workday
Key Metrics And Impact
- Reduced provider onboarding and Epic access TAT, ~20-30%
- Achieved on-time Epic training class starts, >98%
- Cut access issue resolution time for priority cases, under 2 hours
- Supported reduction in access-related compliance findings, 30%
- Identified annual revenue via workflow optimization, $600K+
- Maintained first-contact issue resolution during live training, 90%+
Languages
Spanish
Professional
Affiliations
- Run my own foundation supporting underprivileged kids
Timeline
Lead, Epic Training Team
Sharp HealthCare
01.2022 - Current
Clinical Informatics Specialist
Sharp HealthCare
01.2022 - Current
EMR Specialist (Epic/Cerner)
Sharp HealthCare
01.2018 - 01.2022
Bachelor of Business Administration -
University of Phoenix