Summary
Overview
Work History
Education
Skills
Languages
Timeline
Generic

Luna Ivana Andrea Arenas Castillo

Bogotá, Co

Summary

Bilingual Healthcare Associate with plenty of experience supporting US- based healthcare operations, such as medical scheduling, insurance coverage verification (HMO-PPO), claims processing and revenue cycle support. Proven background in accounts receivable and billing reconciliation, ensuring financial accuracy.

Additional experience in cross-sales, customer retention and tech support, bringing strong problem-solving abilities. Skilled at balancing patient care and revenue performance while maintaining compliance. High adaptability and committed to delivering efficient, patient-centered, and detail-oriented solutions in both healthcare and sales environments.

Overview

4
4
years of professional experience

Work History

Healthcare Specialist

Horatio
10.2025 - Current
  • Assisted patients in scheduling their radiology appointments.
  • Coordinated patient care activities, ensuring timely communication between medical staff and patients.
  • Conducted medical screening questions to ensure eligibility and appointment accuracy.

Accounts Receivable Assistant

Pharmbills
06.2025 - 09.2025
  • Processed and reconciled incoming payments to ensure accurate account balances.
  • Support revenue cycle operations by reducing discrepancies and payment delays.
  • Follow up on outstanding balances to ensure accurate financial records.
  • Discussed prior authorizations issues with insurances.

Sales Associate

TTEC
01.2024 - 03.2025
  • Assisted customers in identifying needs and recommending suitable products to close a sale.
  • Processed transactions efficiently using point-of-sale systems and CRM tools.
  • Performed cross-selling of internet, mobile and data services while meeting performance metrics.
  • Provided first-level tech support assistance.
  • Maintained high customer satisfaction standards in a fast-paced environment.

Healthcare Associate

Sutherland Global
07.2022 - 03.2023
  • Process and review medical claims for Humana Insurance members.
  • Verify insurance eligibility and determine coverage based on type of member's plan, HMO and PPO.
  • Apply appropriate billing adjustments to ensure accurate charge processing.
  • Maintain compliance with healthcare protocols and patient confidentiality standards (HIPAA)

Education

English B2 Level - Language

Passport Colombia
Bogotá, D.C
07-2021

High School Diploma -

Bilbao I.E.D
Bogotá, D.C
12-2020

Skills

  • Cross-selling and Upselling Strategies
  • Customer Retention Strategies
  • System Navigation and CRM Tools
  • HIPAA- aware and Patient Data Handling
  • Billing and Financial Administration
  • Patient and Client Support
  • Conflict Resolution
  • Documentation and Record Accuracy
  • Attention to Detail

Languages

Spanish
Native or Bilingual
English
Native or Bilingual
French
Elementary

Timeline

Healthcare Specialist

Horatio
10.2025 - Current

Accounts Receivable Assistant

Pharmbills
06.2025 - 09.2025

Sales Associate

TTEC
01.2024 - 03.2025

Healthcare Associate

Sutherland Global
07.2022 - 03.2023

English B2 Level - Language

Passport Colombia

High School Diploma -

Bilbao I.E.D