Mariana Guadron-Gomez
Van Nuys,CA
Summary
Detail-oriented and bilingual student possessing experience in general and retail management. Supports store operations leadership with knowledgeable, efficient assistance while supervising team members and promoting positive behaviors. Good financial sense with top-notch planning and problem-solving abilities.
Overview
5
5
years of professional experience
Work History
Medical Biller
AIM Management
Woodland Hills, California
08.2025 - 05.2026
- Reviewed patient records for proper coding and documentation.
- Verified medical codes for diagnosis, treatments, procedures and supplies using ICD-10 coding system.
- Applied HIPAA privacy and security regulations while handling patient information.
- Answered incoming calls regarding billing inquiries from patients and and or providers in a professional manner.
- Reviewed patient insurance information to ensure accuracy and completeness of claims submission.
- Input details into accounts and tracked payments.
- Assisted with collection efforts as needed including contacting patients via phone, mail or email for collection of past due balances due to insurance denials or patient responsibility amounts owed.
Behavior Technician
The Stepping Stone Group
Sherman Oaks, California
10.2024 - 08.2025
- Implemented behavior intervention plans for individuals with developmental disabilities.
- Assisted in data collection and analysis for client progress evaluations.
- Provided direct support to clients during therapy sessions and daily activities.
- Monitored and documented client behavior to ensure compliance with treatment plans.
- Engaged clients in skill-building activities to promote independence and growth.
- Instructed clients in social skills training techniques such as positive reinforcement, prompting, and shaping behaviors.
Assistant Store Manager
Journeys Inc.
Northridge, California
08.2021 - 06.2025
- Assisted in managing a million dollar store and developed sales team to enhance performance.
- Conducted monthly performance reviews, audits, and seasonal merchandising to optimize store operations.
- Networking, Shift Changing, Coaching and Conducted bulk counts to maintain accurate inventory levels.
- Trained new staff on customer service standards and product knowledge.
- Managed the day-to-day operations of the store, including customer service, inventory management and staff scheduling.
- Increased sales opportunities by upselling and cross selling products, using tried and true creativity and persuasion methods.
Education
Bachelor of Science - Biology
Los Angeles Pierce College
Woodland Hills05-2029
Skills
- Management
- Retail operations
- Data collection
- Microsoft Excel
- HIPAA compliance
- Collection calls
- ICD-10
- Sales leadership
- Performance evaluation
- Cash auditing
- Upselling and cross selling
- Inventory management
Languages
- English, Fluent
- Spanish, Fluent
Reference
Toribel Mora, 818-914-8394, toribelmora13@gmail.com
Ariana Gonzalez, 805-625-1470, arianagonzalez@myyahoo.com
Timeline
Medical Biller
AIM Management
08.2025 - 05.2026
Behavior Technician
The Stepping Stone Group
10.2024 - 08.2025
Assistant Store Manager
Journeys Inc.
08.2021 - 06.2025
Bachelor of Science - Biology
Los Angeles Pierce College