Karissa Castaneda
Patterson
Summary
Reliable professional with experience in customer support, order processing, and administrative coordination. Strong communicator with excellent attention to detail and the ability to manage multiple responsibilities effectively.
Overview
11
11
years of professional experience
Work History
ERPS Specialist
MedicAlert Foundation
10.2023 - 10.2025
- Managed high-volume inbound calls, providing accurate information and timely assistance to customers and partner organizations.
- Responded to email inquiries from regional centers, ensuring clear communication and efficient resolution of account or service-related requests.
- Processed and fulfilled customer product orders with attention to detail, verifying accuracy and maintaining quality standards throughout the order cycle.
- Completed assigned projects within established deadlines, collaborating with internal teams to support operational goals and improve workflow efficiency.
Patient Care Specialist/Billing Specialist
Advanced Skin Institute
01.2019 - 10.2023
- Communicate with insurance providers to resolve denied claims and resubmit.
- Verify insurance of patients to determine eligibility.
- Collect payments and apply to patient accounts.
- Analyze complex Explanation of Benefits forms to verify correct billing of insurance carriers.
- Accurately enter patient demographic and billing information in billing system to enable tracking history and maintain accurate records.
Sales Supervisor
Designer Shoe Warehouse
02.2015 - 03.2018
- Supervised staff successfully, utilizing effective communication and dynamic interpersonal skills.
- Worked jointly with team members to assist with closing sales, cross-selling and upselling of products and services.
- Trained team members in successful strategies to meet operational and sales targets.
- Counted, balanced and reconciled cash and credit card payments and identified gaps in proper cash-handling procedures.
Education
High School Diploma -
Hughson High School
Hughson, CA05.2014
Skills
- Organization and Time Management
- Administrative Duties
- Documentation management
- Database Navigation
- Data Entry and Data Accuracy
- Microsoft Office (Excel, Outlook, Word)
Timeline
ERPS Specialist
MedicAlert Foundation
10.2023 - 10.2025
Patient Care Specialist/Billing Specialist
Advanced Skin Institute
01.2019 - 10.2023
Sales Supervisor
Designer Shoe Warehouse
02.2015 - 03.2018
High School Diploma -
Hughson High School