ISTA Personnel Solutions is a dynamic and fast-growing BPO company. We are not a recruitment agency – we operate as a dedicated extension of our clients’ teams, delivering high-quality service with precision, efficiency, and a personal touch.

We are currently looking for a Billing Assistant to join a US-based provider of ABA therapy services. This role is ideal for someone with experience in US medical billing who enjoys problem-solving, working with insurance claims, and ensuring billing accuracy.

PLEASE NOTE:

• Working Hours: Monday – Friday | 9:00 AM – 6:00 PM EST (3:00 PM – 12:00 AM South African time – subject to daylight savings).
• Public Holidays: This role requires working on both South African and U.S. public holidays (compensation for SA public holidays in accordance with the BCEA).
• Internet Requirements: A fixed fibre line with a minimum speed of 25 Mbps (upload & download) and wired Ethernet capability is mandatory. Applicants without a fixed fibre line cannot be considered.
• Power Backup: Reliable backup required to manage load shedding or outages. Applicants without a power backup cannot be considered.
• Work Environment: Fully remote.

Job Responsibilities:

• Submit and process billing claims for Medicaid and private insurance providers.
• Bill therapy session hours accurately through the Waystar clearinghouse.
• Investigate and resolve denied claims by identifying the reason for denial.
• Contact insurance companies to obtain claim information and resolve billing issues.
• Correct and resubmit denied claims in a timely manner.
• Assist with provider and company credentialing with insurance companies.
• Ensure clinicians remain credentialed with the appropriate insurance providers.
• Maintain accurate records and ensure compliance with billing procedures.

Requirements

• Previous experience in US medical billing, specifically submitting or processing claims to US insurance providers.
• Experience using Waystar or CentralReach (experience with both is highly advantageous).
• Strong communication skills with the ability to liaise professionally with insurance companies.
• Excellent attention to detail and accuracy.
• Strong critical thinking and problem-solving abilities.
• Comfortable using Microsoft Office and Outlook.

If you are not contacted within 14 working days, please consider your application unsuccessful.