Doreen Herrygers
Hart
Summary
Detail-oriented Medical Coding Specialist with expertise in ICD-10, CPT, and HCPCS coding. Skilled in claims processing, verifying patient data, and maintaining HIPAA compliance. Committed to optimizing billing operations and enhancing revenue cycle management through accurate documentation and effective collaboration with healthcare providers.
Overview
33
33
years of professional experience
Work History
Billing/Medical Coding Specialist
Ivy Rehab Network
Hart
06.2025 - 01.2026
- Verified accuracy of patient data to assign correct ICD-10 codes.
- Utilized ICD-10, CPT, and HCPCS coding systems to process claims and billing.
- Reviewed patient records for documentation accuracy and assigned appropriate codes for diagnoses, treatments, and procedures to ensure compliance and facilitate reimbursement.
- Submitted clean claims to insurance companies electronically to secure payments.
- Prepared comprehensive documentation for insurance companies, including appeals letters and prior authorization requests, to support claim processing and secure payments.
- Verified proper coding, sequencing of diagnoses, and accuracy of procedures.
- Maintained current working knowledge of CPT and ICD-10 coding principles, government regulation, protocols and third-party billing requirements.
- Maintained strict confidentiality with adherence to HIPAA guidelines and regulations.
- Reconciled clinical notes, patient forms and health information for compliance with HIPAA rules.
- Ensured timely submission of all claim forms according to established deadlines.
- Communicated with insurance companies to resolve coding inquiries and disputes.
- Collaborated with medical staff to clarify diagnoses or treatments.
- Analyzed patient charts and records to extract relevant coding information.
- Conducted research to resolve coding issues identified by auditors.
- Performed regular reviews of claims processing systems to identify areas that need improvement.
- Monitored accounts receivable balances for accuracy based on coding rules.
- Created detailed reports on billing activities and submitted them to management for review.
- Assisted in developing policies and procedures regarding medical coding processes.
- Reviewed account information to confirm patient and insurance information is accurate and complete.
- Created and organized patient charts to maintain accurate medical records. and documented information in various company software.
- Retrieved patient records to support medical coding and billing processes. and transferred information to appropriate parties.
- Answered questions and fulfilled requests with friendly and knowledgeable service.
- Managed daily operations within the department while ensuring compliance with HIPAA regulations.
- Answered questions and fulfilled requests with friendly and knowledgeable service.
Insurance Billing Specialist
Lakeside Comprehensive Rehabilitation Inc
Hart
11.2013 - 06.2025
- Verified patient eligibility and benefits with insurance providers regularly.
- Processed patient insurance claims using billing software efficiently.
- Communicated with patients regarding billing inquiries and payment options.
- Collaborated with healthcare providers to ensure proper coding and documentation.
- Educated patients on insurance policies and coverage details effectively.
- Responded promptly to customer inquiries related to billing matters.
- Provided timely follow-up on unpaid claims to ensure prompt resolution of issues causing delays in reimbursement.
- Developed strategies for minimizing denials and improving collections processes.
- Processed payments from insurance companies in accordance with established procedures.
- Identified trends in denied claims and worked with staff members to develop corrective action plans.
- Reviewed insurance claims for accuracy and completeness, ensuring that all required information was present.
- Maintained detailed records of all transactions involving insurance billing processes.
- Validated policyholder eligibility for coverage of services rendered.
- Managed all payments processing, invoicing and collections tasks.
- Collected, posted and managed patient account payments.
- Monitored past due accounts and pursued collections on outstanding invoices.
- Entered procedure codes, diagnosis codes and patient information into billing software to facilitate invoicing and account management.
- Performed insurance verification, pre-certification and pre-authorization.
- Investigated past due invoices and delinquent accounts to generate revenues and reduce number of unpaid and outstanding accounts.
- Entered statement information into billing software to ensure accurate record-keeping., reconciled accounts and resolved discrepancies.
- Created reports summarizing activity related to insurance billing operations.
- Participated in meetings with other departments to discuss ways to improve workflow processes related to insurance billing activities.
- Developed strong professional rapport with vendors and clients.
- Verified accuracy of information and resolved discrepancies with vendors before entering invoices for payment.
Receptionist
Gale Roofing Company
Hart
01.1993 - 12.2013
- Greeted clients and visitors with professionalism and courtesy.
- Welcomed customers at front desk to ensure a positive first impression., answered general questions and directed to appropriate locations.
- Provided excellent customer service at all times while interacting with both internal and external customers.
- Answered incoming calls, took messages, and transferred calls to appropriate departments or personnel.
- Managed multi-line phone system, directing calls to appropriate personnel.
- Scheduled and confirmed appointments.
- Organized and scheduled appointments for clients to optimize time management. and maintained calendar for management staff.
- Maintained daily calendars, set appointments with clients and planned daily office events.
- Greeted visitors and provided them with assistance.
- Ensured cleanliness and organization of reception area at all times.
- Maintained a neat reception area by organizing materials and tidying up furniture.
- Monitored reception area to provide consistently safe, hazard-free environment for customers.
- Updated and recorded customer or client information to maintain accounts.
- Performed data entry tasks into various computer systems accurately and promptly.
- Provided administrative support to staff members including typing letters, filing documents, and scanning and copying documents when necessary.
- Coordinated office supplies inventory and placed orders.
- Managed inventory of office supplies and placed orders to ensure adequate stock levels.
- Assisted in maintaining office supplies inventory by checking stock to determine inventory level; anticipating needed supplies; placing orders for supplies; verifying receipt of supplies.
- Processed incoming and outgoing mail efficiently to support daily operations.
- Managed all incoming mail distribution, courier services, faxes, and photocopying documents as requested.
- Handled payment transactions accurately to ensure customer satisfaction. and updated accounts to reflect balance changes.
- Processed customer payments using cash registers or point-of-sale terminals according to company policies and procedures.
- Utilized office equipment such as printers, copiers, and fax machines, ensuring they were in good working order.
- Organized and maintained filing systems for company documents.
- Maintained confidentiality of personal and financial information to protect client rights.
Education
High School Diploma -
Hart Public School
Hart06-1982
Some College (No Degree) -
Westshore Community College
Scottville MISkills
- ICD-10 coding
- CPT coding
- HCPCS coding
- Claims processing
- Claim processing
- Medical billing
- Medical billing procedures
- Payment posting
- Insurance verification
- Patient confidentiality
- Patient data identification
- Patient data compilation
- Attention to detail
- Time management
- Customer relationship management
Timeline
Billing/Medical Coding Specialist
Ivy Rehab Network
06.2025 - 01.2026
Insurance Billing Specialist
Lakeside Comprehensive Rehabilitation Inc
11.2013 - 06.2025
Receptionist
Gale Roofing Company
01.1993 - 12.2013
High School Diploma -
Hart Public School
Some College (No Degree) -
Westshore Community College