Lesley Corona
San Bernardino,CA
Summary
Driven, dependable, hardworking individual seeking to combine professional skills and medical education to secure employment within an innovative healthcare organization. Proficiencies: Greenway; MS Excel; MS Word; MS PowerPoint; Typing Speed: 30 WPM Skills: Written and verbal communication; Decision-making skills; Problem solving skills; Time management skills; Customer Service oriented Languages: Spanish
Committed to ensuring customer satisfaction by providing exceptional service and unmatched support. Proficient in utilizing customer service best practices and adept at exploring different solutions to address customer needs effectively.
Overview
4
4
years of professional experience
1
1
Certification
Work History
Customer Service Representative
Walmart
06.2025 - Current
- Stock Merchandise
- Customer Service
- Resolved customer complaints with empathy, resulting in increased loyalty and repeat business.
- Managed high-stress situations effectively, maintaining professionalism under pressure while resolving disputes or conflicts.
Security Officer
Nasi Security
02.2023 - 11.2024
- Maintained a safe environment for employees and visitors through continuous risk assessment and threat analysis.
- Acted quickly during emergency situations to reduce opportunity for damage and injury.
- Monitored and authorized entrance and departure of vehicles, cargo trucks, and visitors.
- Greeted guests professionally and courteously to cultivate welcoming atmosphere while making safety top priority.
Caregiver
Personal
05.2022 - 12.2022
- Assisted with dressing guidance, grooming, meal preparation, and medication reminders.
- Maintained a safe and clean environment for patients, reducing risks and ensuring optimal health outcomes.
- Assisted clients with activities of daily living, promoting independence and quality of life.
- Performed light housekeeping duties to maintain cleanliness standards while respecting the patient''s personal space.
Education
Diploma - Medical Billing and Coding
Ultimate Medical Academy
01.2026
High School Diploma -
Ontario High School
Ontario, CA05-2018
Skills
- Medical Billing
- Accounts Receivable
- Collections
- Co-Pay
- Deductibles
- Co-Insurance
- EOBs
- Revenue Cycle Management
- Posting Payments
- Government (Medicare & Medicaid)
- Third Party Payers
- Electronic Health Records (EHR)
- Electronic Medical Records (EMR)
- Managed Care (HMO
- PPO
- POS)
- Workers Compensation
- Insurance Verification
- Insurance Claim Processing
- CMS 1500
- CMS 1450 (UB-04)
- Front Office Operations
- Medical Office Procedures
- Scheduling
- Medical Terminology
- Anatomy & Physiology
- HIPAA Compliance
- Medical Coding (ICD-10-CM
- HCPCS
- CPT)
Certification
- SCS - Sports Certified Specialist
Languages
English
Full Professional
Spanish
Full Professional
Timeline
Customer Service Representative
Walmart
06.2025 - Current
Security Officer
Nasi Security
02.2023 - 11.2024
Caregiver
Personal
05.2022 - 12.2022
Diploma - Medical Billing and Coding
Ultimate Medical Academy
High School Diploma -
Ontario High School