Reimbursement, Reimbursement Specialist (Claim Denial & Appeal Focus)

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Castle Biosciences Inc. is growing, and we are looking to hire a Reimbursement Specialist (Claim Denial & Appeal Focus) working remotely from your home office based in the USA, with a start date of May 18, 2026.

Why Castle Biosciences?

Exceptional Benefits Package:

• Salary Range: $46,000.00 - $47,277.00. Final salary is based on Experience and Education levels.
• Excellent Annual Salary + 20% Bonus Potential
• 20 Accrued PTO Days Annually + 10 Paid Holidays
• 401K with 100% Company Match up to 6%
• 3 Health Care Plan Options + Company HSA Contribution
• Company Stock Grant Upon Hire

A DAY IN THE LIFE OF A Reimbursement Specialist (Claim Denial & Appeal Focus)

This individual is responsible for resolving denied insurance claims for laboratory services by providing payers with requested documentation, initiating the appeal process on behalf of the patient, following up on outstanding transactions, and delivering the highest level of customer service to internal and external customers. This role spends most of its time reviewing and resolving front-end claim issues to ensure timely, accurate submission; reviewing Explanation of Benefits (EOBs), electronic remittance advice, and denial letters; assigning ANSI codes; and taking appropriate action in the billing system. Responsibilities include contacting insurance companies for missing information or claim status, using payer portals for follow-up, and supplying additional documentation needed to adjudicate claims. The role also involves creating custom appeals with appropriate arguments to overturn denials based on payer medical policy or state laws and submitting both standard and custom appeal letters for insurance companies including Medicare, Medicare Advantage, and commercial plans.

REQUIREMENTS

• High School Diploma or equivalent GED or equivalent work experience.
• Two years of health insurance billing with experience in identifying and resolving claim issues for laboratory tests
• Must have a working knowledge of various payers' designations of authorized representative forms
• Experience handling a high volume of claims work on a daily basis (35 plus claims per day)
• Must demonstrate the ability to type 35 WPM with 90% or higher accuracy.
• Please see the full job description at the end of the job ad.

SCHEDULE

• Monday - Friday, 8:00 AM to 5:00 PM, non-exempt position, working remotely from your home office based in the USA.

READY TO JOIN OUR BIOTECH TEAM?

We truly appreciate your time. If this feels like the right opportunity for you, we'd love for you to complete our mobile-friendly application. We're excited to learn more about you and look forward to connecting soon!

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WORK AUTHORIZATION

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

ABOUT CASTLE BIOSCIENCES INC.

At Castle, it all comes down to people. After all, disease doesn't just happen - it happens to people. We believe that disease management and treatment decisions can be better informed through a person's unique biology, which is revealed through the scientific rigor of our innovative, laboratory-developed tests. We are committed to empowering healthcare providers and patients with the goal of improved outcomes.

Every employee at Castle has an impact on patient care, and we work to ensure that everyone finds their work to be both challenging and rewarding. We behave with integrity and treat our colleagues with respect and kindness. Our culture fosters an environment of trust, transparency, and collaboration. We prioritize and encourage internal growth and professional development.

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 you believe you need a reasonable accommodation in order to search for a job opening or to submit an online application, please e-mail ReasonableAccommodationsRequest@castlebiosciences.com.

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