Reimbursement, Pre-Billing Specialist; Eligibility

Reimbursement, Pre-Billing Specialist (Eligibility)

Castle Biosciences Inc. is growing, and we are looking to hire a full‑time Reimbursement, Pre‑Billing Specialist who will work remotely from a U.S. home office. The start date is August 31, 2026.

This individual will be responsible for assigning medical insurance plans and performing eligibility verification checks on new patient accounts. They will resolve eligibility issues by contacting providers and patients, and will submit and follow up on prior authorizations. The position focuses on plan assignment, eligibility verification, issue resolution, and prior authorization management.

• Assign medical insurance plans and perform eligibility verification on new patient accounts.
• Resolve eligibility issues by contacting providers and patients to obtain updated information.
• Submit and follow up on assigned prior authorizations.
• Maintain accurate records of all pre‑billing activities.

• High school diploma, GED, or equivalent work experience.
• Minimum of two years of health insurance eligibility and prior authorization experience.
• Experience collaborating with patients, providers, and insurance plans to complete the pre‑billing process.
• Experience researching and utilizing payer websites.
• Certification in Medical Billing and/or Coding or equivalent experience.
• Typing speed of at least 35 WPM with 90% or higher accuracy.

• Salary Range: $40,000 – $42,000 (final salary based on experience and education).
• 20% bonus potential.
• 20 accrued PTO days annually.
• 10 paid holidays.
• 401(k) with 100% company match up to 6%.
• Three health‑care plan options with company HSA contribution.
• Company stock grant upon hire.
• $75/month reimbursement for internet service.

Less than 5% travel as needed for training and meetings.

Monday – Friday, 8:00 AM to 5:00 PM; non‑exempt; remote work from a U.S. home office.

All candidates must be legally authorized to work in the United States. Castle Biosciences does not sponsor H‑1B visas, OPT, or other employment‑related visas.

Castle Biosciences is an equal‑opportunity employer, including protected veterans and individuals with disabilities.