Alexandra Preston
Opa-locka
Summary
Health care executive with a Doctor of Health Science and 15+ years of progressive leadership in credentialing, medical staff services, and healthcare operations across federal and private-sector systems. Recognized for building high-performing teams, optimizing credentialing infrastructures, and strengthening regulatory compliance within complex healthcare environments. Lean Six Sigma Black Belt–trained leader who drives enterprise-wide process improvement using data analytics, root-cause analysis, and performance metrics.
Successfully led cross-functional initiatives impacting multiple departments, improving operational efficiency, compliance readiness, and service delivery outcomes. Served as Development Lead for a large-scale Aetna-to-CVS migration, coordinating stakeholder communication, implementation planning, and change management
across business units. Experienced in board-level collaboration, provider relations strategy, Medicare/Medicaid operations, and risk mitigation. Known for decisive leadership in fast-paced settings, with a track record of meeting critical deadlines, guiding organizational change, and aligning operations with strategic goals.
Technically fluent in healthcare systems and analytics tools, including MSOW, Minitab, QI Macros, Excel, SharePoint, and Smartsheet, as well as virtual leadership platforms.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Health System Specialist (Credentialing & Privileging)
Department of Veterans Affairs
Miami
08.2024 - Current
- Coordinate administrative and programmatic operations supporting credentialing and privileging functions within a complex federal healthcare system.
- Maintain 98% compliance accuracy in credentialing and privileging processes through adherence to regulatory standards and quality assurance practices.
- Serve as a liaison between Human Resources, leadership, and clinical staff to support staffing actions, onboarding, and privileging processes.
- Evaluate and optimize workflows, implementing process improvements that reduced processing delays by 30%.
- Interpret and apply VA directives, federal regulations, and internal policies to resolve administrative issues and ensure compliance.
- Assist leadership in collecting, analyzing, and reporting data to support decision-making, performance metrics, and program effectiveness.
- Participate in quality assurance and performance improvement initiatives to reduce errors and enhance operational outcomes.
- Guided and supported staff on credentialing processes and policies to ensure adherence to system workflows.
- Analyze health system policies for compliance with federal regulations.
- Develop reports, correspondence, and tracking tools using multiple systems and databases.
- Coordinated interdisciplinary meetings to enhance patient care strategies.
Credentialing Team Lead
Elevance Health
Miami
08.2020 - 07.2024
- Led daily operations of a credentialing team, coordinating workflow distribution, monitoring productivity, and ensuring timely completion of assignments.
- Oversaw compliance with regulatory and accreditation standards, ensuring accuracy and completeness of credentialing files.
- Analyzed performance metrics and operational data to identify trends and opportunities for process improvement, enhancing overall team effectiveness.
- Provided training, onboarding, and ongoing guidance to team members to improve performance and maintain quality standards.
- Led team members, guiding them to complete tasks on time and to a high standard.
- Conducted training sessions for new staff on relevant processes and procedures to ensure understanding and compliance.
- Conducted performance appraisals for team members, delivering constructive feedback and identifying targeted areas for individual development.
- Collaborated with cross-functional departments to resolve complex provider issues, streamlining operations and enhancing service delivery.
- Supported leadership with reporting, data analysis, and implementation of process improvement initiatives.
- Collaborated with other departments to develop effective solutions that meet customer needs.
Network Operations Consultant
Aetna
Plantation
04.2019 - 01.2020
- Led project initiatives that increased provider onboarding across the network by 35% during the CVS-Aetna integration period, resulting in a 15% revenue increase by the end ofFYQ4.
- Managed end-to-end credentialing operations during the CVS-Aetna integration period.
- Collaborated with cross-functional teams to streamline project workflows and communication.
- Engaged stakeholders for feedback to refine operational strategies, ensuring alignment with organizational goals.
- Facilitated workshops to promote best practices in service delivery and customer support.
- Developed training materials to improve staff understanding of operational procedures, supporting consistent service delivery.
- Led project initiatives that increased provider onboarding across the network by 35% during the CVS-Aetna integration period, resulting in a 15% revenue increase by the end of
FYQ4. - yzed operational processes to identify improvement opportunities, enhancing overall efficiency.
Education
Doctor of Health Science -
Nova Southeastern University
Fort Lauderdale, FL08-2025
Master of Business - Executive Education Leadership
Florida Atlantic University
Miami, FL05-2020
Master of Business - Health Services Administration
Florida Atlantic University
Miami, FL05-2020
Bachelor of Science - Health Services Administration
Florida International University
Miami, FL04-2017
Skills
- Program management
- Regulatory Compliance
- Healthcare administration
- Quality Assurance & Performance Improvement
- Patient safety initiatives
- Data analysis
- Process Improvement
- Workflow Optimization
- Policy implementation
- Administrative & Program Management
- Cross-functional coordination
- Project management
- Cross-Functional Coordination
- Team leadership
- Operational policies
- Training development
- Operational policies and processes
- Efficiency assessment
- Personnel Coordination & HR Liaison
- Process improvement
Certification
- Lean Six Sigma Black Belt (Training Completed), Miami VA
- Certified Change Management Practitioner, Miami VA
- Certified Lean Six Sigma Green Belt, FAU
Timeline
Health System Specialist (Credentialing & Privileging)
Department of Veterans Affairs
08.2024 - Current
Credentialing Team Lead
Elevance Health
08.2020 - 07.2024
Network Operations Consultant
Aetna
04.2019 - 01.2020
Doctor of Health Science -
Nova Southeastern University
Master of Business - Executive Education Leadership
Florida Atlantic University
Master of Business - Health Services Administration
Florida Atlantic University
Bachelor of Science - Health Services Administration
Florida International University