Reimbursement, Reimbursement Specialist; Claim Denial & Appeal Focus)(Remote

Reimbursement Specialist (Claim Denial & Appeal Focus) – Remote

Castle Biosciences, Inc.

Location:

Remote (USA).

Start date:

on or before January 15, 2026.

• Salary Range: $46,000.00 – $47,277.00 (final salary based on experience and education)
• Excellent Annual Salary + 20% Bonus Potential
• 20 Accrued PTO Days Annually
• 10 Paid Holidays
• 401(k) with 100% Company Match up to 6%
• 3 Health Care Plan Options + Company HSA Contribution
• Company Stock Grant Upon Hire
• $75/month reimbursement for internet service

This role focuses on resolving denied insurance claims for laboratory services. Key duties include:

• Reviewing and resolving front‑end claim issues to ensure timely, accurate submission.
• Examining Explanation of Benefits (EOBs), electronic remittance advice, and denial letters.
• Assigning ANSI codes and taking appropriate action in the billing system.
• Contacting insurance companies for missing information or claim status updates.
• Using payer portals for follow‑up and supplying additional documentation needed to adjudicate claims.
• Creating custom appeals with appropriate arguments to overturn denials based on payer medical policy or state laws.
• Submitting both standard and custom appeal letters for insurance companies, including Medicare, Medicare Advantage, and commercial plans.

• High School Diploma or equivalent GED or equivalent work experience.
• Minimum two years of health insurance billing experience, specifically identifying and resolving claim issues for laboratory tests.
• Working knowledge of various payers' designations of authorized representative forms.
• Experience handling a high volume of claims work on a daily basis (35+ claims per day).
• Typing speed of 35 WPM with 90% or higher accuracy.

• Monday – Friday, 8:00 AM to 5:00 PM (non‑exempt).
• Work remotely from your home office based in the USA.
• Travel Requirements: 5% of time as needed for training and meetings.

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

Castle Biosciences is an equal opportunity employer as to all protected groups, including protected veterans and individuals with disabilities.

If you have a disability and believe you need a reasonable accommodation, please e‑mail Reasonable Accommodations
. This email is exclusively for assistance with accommodations; please do not send other messages.

No third‑party recruiters, please.

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