# Billing Assistant (US Healthcare/ABA Therapy) - EST Hrs (Remote)

> ISTA Personnel Solutions · South Africa (Remote) · Full-time · Posted 2026-07-03

**Workplace:** remote

**Department:** SA - Operations

## Description

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._

## Apply

[Apply at ISTA Personnel Solutions](https://apply.workable.com/ista-2/j/ABDFEAD5F5/apply)

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