Billing Accounting SpecialistWaltham, MA

CareDx; Waltham (MA); On-site; USD 50,000 - 68,000; Full time

Job summary

CareDx, Inc. is seeking a Billing Accounting Specialist to apply payments, denials, and correspondence to patient accounts within the revenue cycle management system. You will reconcile remittances to bank receipts and ensure accurate posting of denial reasons while handling PHI under HIPAA.

This full-time role in a fast-paced environment may require occasional overtime, and on-site collaboration for the Brisbane, California office, with remote options for eligible US-based candidates.

Qualifications

• 6-12 months' experience in data entry or medical billing.
• Typing speed of at least 50 WPM and strong communication skills.
• Understanding of PHI handling and HIPAA regulations.

Responsibilities

• Post payments, denials and correspondence to patient accounts in the RCM system.
• Reconcile remittances and EOBs to bank receipts and apply to accounts.
• Ensure denial reasons are accurately posted from paper correspondence.
• Assist supervisor and RCM teammates as needed.
• Monitor mail processes and prepare outgoing mail and refunds.

Skills

Data entry

Medical billing

HIPAA compliance

Typing 50 wpm

Communication

PHI handling

Education

High school diploma or equivalent

Tools

Telcor

Job description

CareDx is a leading precision medicine diagnostics company advancing care in transplant, specialty oncology, and cell therapy. Through our innovative portfolio of molecular diagnostics, digital health solutions, AI-powered data and analytics, and patient support services, we partner with healthcare providers, patients, and biopharma organizations to help inform clinical decision-making and improve patient outcomes.

Within CareDx's Specialty Oncology business, we are focused on improving the management of HPV-driven cancers through innovative diagnostic solutions. NavDx, our blood‑based DNA test, helps clinicians detect molecular signs of disease recurrence, monitor treatment response, and guide patient management throughout the care journey. Our team is committed to expanding access to actionable insights that support more informed cancer care.

The primary responsibilities of the Billing Accounting Specialist are to apply payments, denials, and correspondence to patient accounts in the revenue cycle management (RCM) system. The Specialist will be required to reconcile payments to amounts received in the bank prior to application of payments in the system. Denials and correspondence may require reading and interpretation to accurately post the information in the system.

This role requires meticulous work and the ability to thrive in a fast‑paced, high‑volume team environment. This is a full‑time position, Monday through Friday, with occasional overtime as needed, especially at month‑end. Candidates within commuting distance of the Brisbane, California office will need to come to the office on a regular basis; remote candidates will work and collaborate from home.

Responsibilities

• Payment, denial and correspondence posting
• Reconcile electronic or paper remittances and explanations of benefits (EOBs) to bank receipts and apply them to patient accounts in the revenue cycle management system.
• Ensure accurate denial reasons are posted to patient accounts from paper correspondence.
• Assist the supervisor and RCM teammates professionally when requested.
• Mail and Other Duties
• Sort and distribute incoming mail.
• Prepare outgoing mail (claim packages, patient statements, patient letters).
• Prepare refund checks and obtain approvals as needed for refunds to patients and payers.
• Assist with medical record projects as needed.
• Monitor and maintain inventory in the on‑site print room.

Minimum Education, Experience, & Specialized Knowledge (Required)

• High school diploma or equivalent.
• 6-12 months' experience in data entry or medical billing; strong preference will be given to candidates with experience posting payments in the Telcor system.
• Typing speed of at least 50 words per minute.
• Understanding of patient protections under HIPAA and proper handling of protected health information (PHI).
• Working knowledge of health insurance and terminology.
• Excellent communication and people skills.
• Meticulous with strong analytical and problem‑solving abilities in a high‑volume production environment.

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Remote: US only roles.

$21.65 - $28.60 USD

This is the anticipated base salary range in the United States. The final salary offered to a successful candidate will be dependent on several factors that may include, but are not limited to, the type and length of experience within the job, the type and length of experience within the industry, education, etc. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives and restricted stock units. CareDx is a multi‑state employer, and this salary range may not reflect positions that work in other states.

United States

$24.05 - $32.70 USD

This is the anticipated base salary range for candidates who will work in Waltham, MA. The final salary offered to a successful candidate will be dependent on several factors that may include, but are not limited to, the type and length of experience within the job, the type and length of experience within the industry, education, etc. Base pay is one part of the Total Package that is provided to compensate and recognize employees for their work, and this role may be eligible for additional discretionary bonuses/incentives and restricted stock units. CareDx is a multi‑state employer, and this salary range may not reflect positions that work in other states.