Linda S. Massis

Seeking an opportunity to contribute my skills, knowledge, and years of professional experience in a challenging and growth-oriented organization. I am committed to continuous learning, delivering high-quality results, and contributing to organizational success while advancing my professional development and achieving long-term career goals.

Accounts Payable Specialist III - Johnstone Supply - Jacksonville, FL

(2022-04)

• Process high-volume vendor invoices across warehouse, distribution, and drop-ship operations, ensuring accuracy and timely payment.
• Resolve invoice discrepancies involving pricing, quantities, freight charges, purchase orders, and billing issues by collaborating with vendors and internal departments.
• Manage vendor relationships by responding promptly to inquiries, researching payment issues, and maintaining positive communication.
• Monitor accounts payable aging and payment schedules to ensure on-time payments and maintain strong vendor partnerships.
• Perform account reconciliations, review vendor statements, and maintain audit-ready documentation to support financial accuracy and compliance.
• Support month-end closing activities by preparing reports, reconciling accounts, and assisting with financial reporting requirements.
• Organize and maintain accounts payable records in accordance with company policies and internal controls.
• Identify opportunities to improve accounts payable workflows, increasing efficiency through proactive problem-solving and attention to detail.

Accounts Payable / Payroll Specialist - ExactStaff Agency - Los Angeles, CA

(2020-01 - 2022-03)

• Processed accounts payable transactions and payroll while maintaining accurate financial records and compliance with company policies.
• Monitored payment schedules to ensure timely vendor payments and avoid late payment penalties.
• Reconciled vendor statements and resolved invoice discrepancies through effective communication with vendors and internal departments.
• Assisted with month-end close by preparing accounts payable reports and supporting documentation.
• Maintained organized financial records and documentation to support audits and reporting requirements.
• Provided administrative and financial support to the accounting team, contributing to efficient day-to-day operations.

Accounts Payable Specialist - Mediscan Staffing Agency - Los Angeles, CA

(2016-06 - 2019-12)

• Processed high-volume vendor invoices in a fast-paced staffing environment while ensuring accuracy and timely approvals.
• Managed full-cycle accounts payable, including invoice processing, payment execution, vendor statement reconciliations, and employee timekeeping support.
• Investigated and resolved invoice discrepancies by collaborating with vendors, clients, staffing employees, and internal departments.
• Maintained accurate accounts payable records and ensured compliance with company policies and accounting procedures.
• Monitored payment schedules to maintain strong vendor relationships and ensure timely payments.
• Assisted with month-end closing activities by preparing reports, reconciling accounts, and providing supporting documentation.
• Delivered administrative and financial support to the accounting team, helping maintain efficient accounting operations.

Medical Billing Consultant - Self-Employed - Jacksonville, FL

(2010-10)

• Provide comprehensive medical billing consulting services for multiple physician practices throughout the Jacksonville area.
• Manage all aspects of medical billing and coding, including claims processing, payment posting, accounts receivable, denials, collections, referrals, and prior authorizations.
• Train office staff on insurance verification, patient registration, EMR systems, and accurate data entry.
• Answer multi-line phone systems and assist patients with billing questions, insurance concerns, and payment inquiries while providing exceptional customer service.
• Post Explanation of Benefits (EOBs), resolve denied claims, and oversee follow-up to maximize reimbursement.
• Prepare and mail monthly patient statements and coordinate collection efforts.
• Successfully transitioned multiple medical practices from ICD-9 to ICD-10 coding with minimal disruption to operations.
• Assist physicians with insurance contracting, provider credentialing, and enrollment.
• Improve billing workflows and office efficiency while maintaining compliance with healthcare regulations.

Medical Billing Specialist, Physicians Account Manager - Physicians Account Manager, Inc.

(2004-06 - 2010-09)

• Supported more than 150 physicians and healthcare organizations across Florida, Georgia, Mississippi, and California by managing billing operations and improving revenue cycle performance.
• Served as Team Leader, assisting with recruiting, onboarding, and training new employees.
• Supervised the Accounts Receivable department, monitoring collections, and resolving outstanding claims.
• Acted as a Patient Advocate by managing monthly billing statements, answering high-volume multi-line calls, and educating patients regarding insurance benefits and account balances.
• Conducted monthly meetings with physicians to review billing performance, revenue trends, and month-end financial reports.
• Verified insurance eligibility and ensured HIPAA compliance while processing claim adjustments for commercial insurance, Medicare, Workers' Compensation, and automobile insurance claims.
• Assisted front office staff with insurance verification, patient account inquiries, and collection procedures.
• Led sales, implementation, training, and client onboarding during the transition to the Cerner Electronic Medical Record (EMR) system.
• Collaborated with insurance carriers to resolve complex claims and maximize reimbursement for providers.

Leasing Agent - JMG Realty Management

(2001-06 - 2003-12)

Established the first 98% occupancy rate for the property. Worked with database management programs to schedule and maintain customer relations, creating leasing opportunities. While answering multi-line phones, other duties required were:

• Expertly processed applications – including background/credit reports
• Processed auditing fees, collected and posted rents
• Issued current resident penalty fees, parking permits and other facility dues
• Scheduled apartment inspections along with implementing maintenance work orders
• Distributed incentive items and planned events to attract new residents and promote renewal of leases
• Created showcase apartments for review by upper-level management
• Recruited to assist other communities in leasing newly established territories.