Mariechu User
@mariechuuser
Senior associate in medical billing and patient services, focused on accuracy and resolution.
What I'm looking for
I’m a Senior Associate focused on healthcare revenue cycle work, including processing insurance claims for both physicians and hospital billing. I verify insurance eligibility, manage accounts and balances, and calculate/collect payments to support accurate claim outcomes.
Before and alongside billing, I handled patient-facing service in fast-paced healthcare settings—scheduling diagnostic imaging and ensuring clear, compliant appointment communication. I’m skilled with CPT/ICD-10 validation, HIPAA-compliant record updates, and resolving complex inquiries with calm de-escalation and strong attention to detail.
Experience
Work history, roles, and key accomplishments
Patient Service Representative
Conifer Health Global Solutions
Jun 2025 - Mar 2026 (9 months)
Scheduled high-volume diagnostic and imaging patient appointments (MRI, X-ray, CT scan, mammogram) by coordinating preferred date/time and confirming availability with clinical teams. Reviewed CPT codes and ICD-10-related documentation, handled patient inquiries, and maintained HIPAA-compliant records while updating scheduling systems.
Senior Associate Billing
R1 Rcm, Ascension Medical Group
May 2022 - Jun 2025 (3 years 1 month)
Processed physician and hospital insurance claims by verifying patient eligibility, analyzing benefits, and managing account status and balances to support accurate reimbursement. Used Availity and Athenahealth and navigated Epic/Athena/NextGen to handle payment processing, claim updates, and coding-related request workflows.
Customer Service Representative
United Health Care
Jun 2019 - Apr 2022 (2 years 10 months)
Served as a patient advocate handling inbound inquiries about healthcare benefits, insurance coverage, deductibles, co-pays, out-of-pocket expenses, and claims status. Verified eligibility using internal systems and coordinated with healthcare providers and internal departments regarding authorization and coverage verification while maintaining compliant documentation.
Customer Service Collector
Credit One Bank
Sep 2016 - May 2019 (2 years 8 months)
Handled inbound calls from customers regarding outstanding credit card balances, payment concerns, and account information including due dates and repayment options. Processed payments, set up installment arrangements, assisted with financial assistance programs, and documented/escalated sensitive cases such as deceased account holders.
Education
Degrees, certifications, and relevant coursework
University of Makati
Bachelor of Science, Psychology
2010 - 2014
Earned a Bachelor of Science in Psychology at the University of Makati from 2010 to 2014.
Availability
Location
Authorized to work in
Job categories
Skills
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