Erica Castillo
Temecula, CA *****
********@*****.*** 832-***-****
Professional Summary
Detail-oriented healthcare billing professional with over 14 years of experience in medical and behavioral health billing, claims processing, and revenue cycle management. Strong background in insurance verification, payment posting, denial resolution, and compliance auditing. Proficient in EMR systems and Microsoft Office with a consistent track record of reducing claim errors and improving account reconciliation. Seeking to contribute my expertise as a Billing Specialist I with Alliance Services, Inc.
Core Competencies
• Medical & Behavioral Health Billing (ICD-10, CPT/HCPCS)
• Revenue Cycle Management and Denial Resolution
• Electronic Medical Records (EMR/EHR) and Practice Management Systems
• Payment Posting and Claim Reconciliation
• Insurance Verification and Eligibility
• Batch Submission Review and Data Accuracy
• Microsoft Excel and Word (Advanced)
• Bilingual: English and Spanish
Certifications & Training
• Billing and Coding Certificate – Moorpark Adult School, 2024
• AAPC CPB & CPC Certification Programs – In Progress (Exam Summer 2025)
• Lean Six Sigma Yellow Belt
• Emotional Intelligence, Management, and Leadership Certificates – CSUSM
Professional Experience
Erica Castillo
Temecula, CA 92592
********@*****.*** 832-***-****
Professional Summary
Detail-oriented healthcare billing professional with over 14 years of experience in medical and behavioral health billing, claims processing, and revenue cycle management. Strong background in insurance verification, payment posting, denial resolution, and compliance auditing. Proficient in EMR systems and Microsoft Office with a consistent track record of reducing claim errors and improving account reconciliation. Seeking to contribute my expertise as a Billing Specialist I with Alliance Services, Inc.
Core Competencies
• Medical & Behavioral Health Billing (ICD-10, CPT/HCPCS)
• Revenue Cycle Management and Denial Resolution
• Electronic Medical Records (EMR/EHR) and Practice Management Systems
• Payment Posting and Claim Reconciliation
• Insurance Verification and Eligibility
• Batch Submission Review and Data Accuracy
• Microsoft Excel and Word (Advanced)
• Bilingual: English and Spanish
Certifications & Training
• Billing and Coding Certificate – Moorpark Adult School, 2024
• AAPC CPB & CPC Certification Programs – In Progress (Exam Summer 2025)
• Lean Six Sigma Yellow Belt
• Emotional Intelligence, Management, and Leadership Certificates – CSUSM
Professional Experience
Supervisor, Insurance, Billing & Front Desk Services
University of California, Riverside
July 2021 – Present
- Managed billing exclusively for the UC SHIP student health insurance plan.
- Posted payments, reconciled accounts, and ensured eligibility and authorizations were correctly documented.
- Corrected and resubmitted internal billing errors.
- Trained and supervised front desk and billing staff, ensuring accurate registration and claim processes.
- Maintained EMR data integrity and collaborated on plan updates and communications with campus stakeholders.
Women's Health Practice Administrator
UC Riverside Health, School of Medicine
August 2020 – June 2021
- Managed clinic billing, coding compliance, and operational workflows.
- Supported billing for clinical trials and ensured documentation compliance.
- Coordinated eligibility and prior authorizations for women's health services.
Clinical Services Supervisor
Neighborhood Healthcare
October 2017 – July 2020
- Managed billing operations for multi-specialty clinics across Medi-Cal, Medicare, and commercial payers.
- Post payments, followed up on denied claims, and processed appeals across multiple platforms.
- Oversaw insurance verifications and ensured proper claim submission and reconciliation.
- Analyzed aging reports and collaborated with finance and IT to improve billing efficiency.
Health Center Manager
Planned Parenthood Gulf Coast
September 2010 – February 2017
- Oversaw all billing functions, including insurance verification and compliance audits.
- Resolved billing disputes and managed rejected claims.
- Trained clinical staff on billing workflows and documentation requirements.
Education
Bachelor of Arts in Psychology
University of Houston – Houston, TX
Technical Skills
• EMR/EHR Systems and Billing Platforms
• Microsoft Office Suite, including Excel and Word
• SQL (basic querying and claims data analysis)
• Medical Terminology and Coding Standards (ICD-10, CPT, HCPCS)
Key Achievements
• Reduced denied claims by over 30% through focused audits and team retraining.
• Improved payment reconciliation processes, accelerating account closure timelines.
• Maintained 100% compliance in external billing audits over multiple years.
Women's Health Practice Administrator
UC Riverside Health, School of Medicine
August 2020 – June 2021
- Managed clinic billing, coding compliance, and operational workflows.
- Supported billing for clinical trials and ensured documentation compliance.
- Coordinated eligibility and prior authorizations for women's health services.
Clinical Services Supervisor
Neighborhood Healthcare
October 2017 – July 2020
- Managed billing operations for multi-specialty clinics across Medi-Cal, Medicare, and commercial payers.
- Posted payments, followed up on denied claims, and processed appeals across multiple platforms.
- Oversaw insurance verifications and ensured proper claim submission and reconciliation.
- Analyzed aging reports and collaborated with finance and IT to improve billing efficiency.
Health Center Manager
Planned Parenthood Gulf Coast
September 2010 – February 2017
- Oversaw all billing functions, including insurance verification and compliance audits.
- Resolved billing disputes and managed rejected claims.
- Trained clinical staff on billing workflows and documentation requirements.
Education
Bachelor of Arts in Psychology
University of Houston – Houston, TX
Technical Skills
• EMR/EHR Systems and Billing Platforms
• Microsoft Office Suite, including Excel and Word
• SQL (basic querying and claims data analysis)
• Medical Terminology and Coding Standards (ICD-10, CPT, HCPCS)
Key Achievements
• Reduced denied claims by over 30% through focused audits and team retraining.
• Improved payment reconciliation processes, accelerating account closure timelines.
• Maintained 100% compliance in external billing audits over multiple years.