STEPHINE WALKER
Oakland Park
Summary
Highly skilled Medical Billing & Coding Specialist with over a decade of experience in healthcare administration, insurance claims management, and patient services. Proven expertise in ICD-9/ICD-10 coding, denials and appeals, insurance verification, and electronic medical records. Recognized for exceptional attention to detail, compliance with HIPAA standards, and the ability to streamline processes that improve patient satisfaction and operational efficiency. Dedicated to supporting physicians, patients, and healthcare organizations through accurate billing practices and outstanding customer service.
Overview
23
23
years of professional experience
Work History
Radiology Customer Service Representative
Broward Health
05.2023 - Current
- Schedule and coordinate diagnostic imaging procedures including biopsies, ports placement, Thoracentesis, X-rays, CT scans, MRIs, and ultrasounds.
- Verify patient insurance eligibility and secure pre-authorizations to ensure accurate billing and compliance.
- Provide patients with pre-procedure instructions and respond to inquiries with professionalism and empathy.
- Collaborate with physicians, clinical staff, and the radiology department to streamline patient flow and documentation.
Ambulatory Business Specialist
Broward Health
09.2010 - 05.2023
- Oversaw ambulatory patient access operations, including insurance verification, payment posting, and claims documentation.
- Partnered with the billing department to process and resolve account discrepancies.
- Screened and directed patient inquiries, calls, and correspondence with discretion and efficiency.
- Maintained departmental records, workflows, and compliance documentation in alignment with healthcare regulations.
Administrative Assistant
Nu Look Paint Center
01.2006 - 02.2008
- Provided administrative and customer support, including greeting clients, managing calendars, and processing payments.
- Oversaw inventory control and supply ordering to maintain workflow efficiency.
- Supported daily operations and acted as a liaison between customers and technicians.
Receptionist
King Toyota
01.2003 - 02.2007
- Served as first point of contact for customers, delivering professional and courteous service.
- Handled multi-line phone systems, appointment scheduling, and payment collection.
- Coordinated technician schedules and provided clerical support for office operations.
Education
Crcst Certified - Medical
Sterile Processing Online Course
10.2025
High School Diploma -
Dillard High
07-2010
Medical Billing & Coding Certificate -
MedVance Institute
06.2010
Skills
- Insurance Claims Processing & Collections
- ICD-9/ICD-10, Radiology, Pathology & Anesthesia Coding
- Denials & Appeals Resolution
- Insurance Verification (Medicare/Medicaid, Commercial Plans)
- Electronic Medical Records (EMR) Management
- HIPAA Compliance & Patient Privacy
- Appointment Scheduling & Referral Coordination
- Revenue Cycle Optimization
- Cross-Functional Team Collaboration
- Strong Interpersonal & Communication Skills
Timeline
Radiology Customer Service Representative
Broward Health
05.2023 - Current
Ambulatory Business Specialist
Broward Health
09.2010 - 05.2023
Administrative Assistant
Nu Look Paint Center
01.2006 - 02.2008
Receptionist
King Toyota
01.2003 - 02.2007
Crcst Certified - Medical
Sterile Processing Online Course
High School Diploma -
Dillard High
Medical Billing & Coding Certificate -
MedVance Institute
Knowledge and Understanding
- Knowledge of preparing medical equipment and instruments for decontamination
- Knowledge of operating equipment to clean, disinfect and decontaminate surgical instruments, medical devices and equipment
- Knowledge of applicable sanitary, infection control, and safety standards sufficient to be able to perform all assignments within the safety parameters.
- Knowledge of processes, procedures, quality assurance, chemicals and medical instruments sufficient to be able to decontaminate and sterilize equipment, supplies and instruments.
- Ability to lift and move trays of instruments and patient care equipment, i.e., IV pumps, monitors, up to 25 lbs.
- Can perform bending, lifting, and washing using decontamination processes, which will include instrument pans, bins, trays, and carts of various sizes. Tactile differentiation, e.g., temperature, moisture.
- Knowledge of Maintaining records for QA and sterilization.