Castle Biosciences Earns "Top Workplaces USA Award" for Phoenix, Pittsburgh, and Friendswood! Learn more at www.CastleBiosciences.com 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! Castle Biosciences Awards and Research Developments! 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. This email was created exclusively to assist disabled job seekers whose disability prevents them from being able to apply online. Only messages left for this purpose will be returned. Messages left for other purposes, such as following up on an application or technical issues not related to a disability, will not receive a response. ** No third-party recruiters, please

Northeast Family Services is seeking a Autism Specialist Professional / Behavior Therapist to join our growing New Hampshire team! FFS - Fee For Service - Position Make your own schedule! The Autism Specialist Professional will be responsible for the implementation of clients’ behavior support plans to decrease problematic behavior, and the provision of ABA-based instruction to promote development of new skills, at the direction of their supervising BCBA. The Autism Specialist Professional will monitor client behavior, collect data on client behavior and skill acquisition, and report the data back to supervising BCBA. The Autism Specialist Professional will work collaboratively with the supervising BCBA, either in-person or via a telehealth modality, and the client’s family, to support meaningful changes in client behavior. Qualifications: ● A high school diploma or a GED ● At least two years of experience working with persons with developmental disabilities ● At least 18 years of age ● Pass a criminal background check ● Valid driver’s license with reliable and consistent access to a vehicle ● Availability to work after school and evening hours ● Strong interpersonal and collaborative skills ● Experience in applied settings implementing behavioral interventions preferred ● Effective written and verbal communication skills ● A compassionate approach to care Applicants must be authorized to work in the U.S. We are unable to sponsor or take over sponsorship of an employment visa at this time ABA Benefits: ● Northeast Family Services offers high-quality supervision of fieldwork experience for candidates seeking the BCBA or BCaBA credentials. A two-year contract is offered following successful completion of fieldwork experience. ● Northeast Family Services supports uncertified in obtaining the Registered Behavior Technician credential by offering RBT 40 hour training, initial competency assessment, ongoing skills-based supervision, and a $100 bonus upon obtaining RBT credential. ● Hands on training, with ongoing clinical support from supervising BCBA ● Access to multiple, free monthly professional development and training activities on a rotation of relevant topics and skills ● Individualized supervision, focused on achievement of professional goals and skill advancement ● Access to company technology, with productivity agreement of 20+ hours/week ● Tuition reimbursement program available to eligible employees ● Flexible schedule, built to meet staff needs ● Minimum commitment of 10 hours per week, with possibility of up to 20 hours Compensation: ● Up to $20 per hour, depending upon experience

Northeast Family Services is seeking a Autism Specialist Professional / Behavior Therapist to join our growing New Hampshire team! FFS - Fee For Service - Position Make your own schedule! Part-Time schedule on YOUR TIME! The Autism Specialist Professional will be responsible for the implementation of clients’ behavior support plans to decrease problematic behavior, and the provision of ABA-based instruction to promote development of new skills, at the direction of their supervising BCBA. The Autism Specialist Professional will monitor client behavior, collect data on client behavior and skill acquisition, and report the data back to supervising BCBA. The Autism Specialist Professional will work collaboratively with the supervising BCBA, either in-person or via a telehealth modality, and the client’s family, to support meaningful changes in client behavior. Qualifications: ● A high school diploma or a GED ● At least two years of experience working with persons with developmental disabilities ● At least 18 years of age ● Pass a criminal background check ● Valid driver’s license with reliable and consistent access to a vehicle ● Availability to work after school and evening hours ● Strong interpersonal and collaborative skills ● Experience in applied settings implementing behavioral interventions preferred ● Effective written and verbal communication skills ● A compassionate approach to care Applicants must be authorized to work in the U.S. We are unable to sponsor or take over sponsorship of an employment visa at this time ABA Benefits: ● Northeast Family Services offers high-quality supervision of fieldwork experience for candidates seeking the BCBA or BCaBA credentials. A two-year contract is offered following successful completion of fieldwork experience. ● Northeast Family Services supports uncertified in obtaining the Registered Behavior Technician credential by offering RBT 40 hour training, initial competency assessment, ongoing skills-based supervision, and a $100 bonus upon obtaining RBT credential. ● Hands on training, with ongoing clinical support from supervising BCBA ● Access to multiple, free monthly professional development and training activities on a rotation of relevant topics and skills ● Individualized supervision, focused on achievement of professional goals and skill advancement ● Access to company technology, with productivity agreement of 20+ hours/week ● Tuition reimbursement program available to eligible employees ● Flexible schedule, built to meet staff needs ● Minimum commitment of 10 hours per week, with possibility of up to 20 hours Compensation: ● Up to $20 per hour, depending upon experience

Northeast Family Services is seeking a Autism Specialist Professional / Behavior Therapist to join our growing New Hampshire team! FFS - Fee For Service - Position Make your own schedule! Part-Time schedule on YOUR TIME! The Autism Specialist Professional will be responsible for the implementation of clients’ behavior support plans to decrease problematic behavior, and the provision of ABA-based instruction to promote development of new skills, at the direction of their supervising BCBA. The Autism Specialist Professional will monitor client behavior, collect data on client behavior and skill acquisition, and report the data back to supervising BCBA. The Autism Specialist Professional will work collaboratively with the supervising BCBA, either in-person or via a telehealth modality, and the client’s family, to support meaningful changes in client behavior. Qualifications: ● A high school diploma or a GED ● At least two years of experience working with persons with developmental disabilities ● At least 18 years of age ● Pass a criminal background check ● Valid driver’s license with reliable and consistent access to a vehicle ● Availability to work after school and evening hours ● Strong interpersonal and collaborative skills ● Experience in applied settings implementing behavioral interventions preferred ● Effective written and verbal communication skills ● A compassionate approach to care Applicants must be authorized to work in the U.S. We are unable to sponsor or take over sponsorship of an employment visa at this time ABA Benefits: ● Northeast Family Services offers high-quality supervision of fieldwork experience for candidates seeking the BCBA or BCaBA credentials. A two-year contract is offered following successful completion of fieldwork experience. ● Northeast Family Services supports uncertified in obtaining the Registered Behavior Technician credential by offering RBT 40 hour training, initial competency assessment, ongoing skills-based supervision, and a $100 bonus upon obtaining RBT credential. ● Hands on training, with ongoing clinical support from supervising BCBA ● Access to multiple, free monthly professional development and training activities on a rotation of relevant topics and skills ● Individualized supervision, focused on achievement of professional goals and skill advancement ● Access to company technology, with productivity agreement of 20+ hours/week ● Tuition reimbursement program available to eligible employees ● Flexible schedule, built to meet staff needs ● Minimum commitment of 10 hours per week, with possibility of up to 20 hours Compensation: ● Up to $20 per hour, depending upon experience