Charlie Sue Castillo

Detail-oriented insurance claims and coordination professional with 10+ years of experience investigating, processing, and resolving complex insurance claims in high-volume, compliance-driven healthcare environments. Proven ability to manage multi-party stakeholder communication with clarity and empathy, prepare thorough documentation and reports, and maintain unwavering adherence to regulatory standards and established procedures. Recognized for meticulous follow-through, precise case management, and a disciplined commitment to error-free, deadline-driven results.

Collaborative team contributor who brings a strong sense of duty, operational focus, and professionalism to every role.

Bilingual: English and Spanish.

Periodontal Health Specialist - EDDA Dental Assistant & Insurance Coordinator - Marrero, LA

(2015-07)

• Manage the complete lifecycle of dental insurance claims—including eligibility verification, prior authorization, claim submission, tracking, and dispute resolution—for a high-volume specialty practice, ensuring accuracy and compliance on every case.
• Serve as the primary point of contact between patients, insurance carriers, and clinical staff; communicate benefit determinations, claim status, and out-of-pocket obligations with empathy and professionalism.
• Investigate denied and disputed claims by gathering supporting documentation, preparing written appeals, and following up tenaciously with carriers to achieve timely and accurate resolutions.
• Prepare and tailor written reports, correspondence, and account documentation for both internal team use and external stakeholder communication, recognizing the distinct requirements of each audience.
• Maintain accurate and organized electronic health records and claim files in strict compliance with HIPAA regulations and office-established protocols.
• Coordinate scheduling, patient intake, and cross-functional administrative workflows to ensure seamless operations in a fast-paced, deadline-driven environment.
• Provide bilingual (English/Spanish) support throughout the claims and treatment coordination process, ensuring clear, equitable communication for all patients and their families.

EDDA Dental Assistant - Bippo's Place for Smiles - New Orleans, LA

(2010-05 - 2012-08)

• Supported front-office operations including insurance pre-authorizations, patient scheduling, and multi-party coordination in a high-volume pediatric dental environment.
• Maintained thorough and organized patient records and documentation in compliance with established clinical protocols.

Human Performance & Health Promotion - University of New Orleans (2014-01 - 2015-12)

Associate of Science - Elementary Education - Delgado Community College (2010-01 - 2013-12)

Dental Assistant Certification - Joseph A. Cuillier Sr. Career Center (2005-01 - 2006-12)